Greenpoint

[Rails] Re: conditions either null or real value

2009-07-05T10:44:00.001-07:00

Grayson Piercee wrote:
[...]
> I'm using acts_as_tree which meets the root levels have no parent_id
> (null in SQL)
> so if no category_id is passed as a parameter I want it to pull up the
> roots, if one is passed, I want it to pull the children of that node.

You should probably be using something like awesome_nested_set instead
-- it allows for much more efficient DB operations.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

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[Rails] Re: How to Synchronize?

2009-07-05T10:42:00.000-07:00

>>
>> Would it be OK to create a model and its corresponding table for just
>> locking? i.e. Lock model and locks table.
>
> That would be pointless. If you wrap your DB operations in a
> transaction, you will automatically get the appropriate locks -- and the
> DB will keep track of them, so you don't have to.
>
> Best,
> --
> Marnen Laibow-Koser
> http://www.marnen.org
> marnen@marnen.org

Yes, I got your point.

But I think that the situation is not that clear. I don't know a single
model to have a transaction open and be safe after.

So you might be right if I had a design which kept that in mind right
from the beginning. But -at least as a workaround- I need something like
that.

A moment ago, I found this:

http://kseebaldt.blogspot.com/2007/11/synchronizing-using-active-record.html

This is pretty much the functionality I require.

I think I will use this.

Didn't anybody require anything like this?

Thanks
Onur
--
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[Rails] Re: sanitize() AND escapeHTML()/h() ?

2009-07-05T10:38:00.001-07:00

Tom Ha wrote:
> Hi there,
>
> is it correct that one should always use both...
>
> 1.
> sanitize(params[:whatever_external_or_user_input_to_save_to_database]),
> AND
> 2. h(@whatever_database_record_to_display_on_page)
>
> ...in order to have the highest security level?

AFAIK, sanitize should not be necessary -- ActiveRecord uses
parameterized queries, which already protect against SQL injection
without further sanitization. (If you write your own SQL, your queries
should also be parameterized.). h, on the other hand, is not about
security so much as it is about keeping markup valid and correct. You
should definitely use it on anything that comes from the DB, unless
you're deliberately storing HTML code in there.

BTW, if you use Haml (highly recommended), it has a very useful
shorthand construct for this (&= instead of h), and you can even turn on
HTML escaping as a global default.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: How do I generate dynamic items dynamically?

2009-07-05T10:32:00.001-07:00

Michael Williams wrote:
> Hi All,
>
> I'm looking for a way to append elements with javascript using
> javascript. Basically I have two lists of items. One has a list of
> items with an "ADD" button (using "link_to_remote") and the other has
> a list of items with a "REMOVE" button (using "link_to_remote").

Do you really need to do it that way? That will call the server every
time a button is clicked. You might want to do the list editing on the
client side, then have a Save button that sends the list to the server.

> When
> I click the "ADD" it immediately places the item into the other list.
> However, I need to be able to have the newly inserted item perform the
> reverse action for "REMOVE".

So the Add button works, but the Remove button does not? You should be
able to do both the same way -- after all, the only difference is that
Add moves things from list 1 to list 2, while Remove does likewise from
list 2 to list 1.

>
> I see no way (besides, perhaps creating a partial to render a non-
> object) to dynamically generate dynamic items of this nature.

I am not sure what your problem is. Please provide more detail and
code.

>
> Any ideas?
>
>
> Best.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

[Rails] sanitize() AND escapeHTML()/h() ?

2009-07-05T10:26:00.001-07:00

Hi there,

is it correct that one should always use both...

1.
sanitize(params[:whatever_external_or_user_input_to_save_to_database]),
AND
2. h(@whatever_database_record_to_display_on_page)

...in order to have the highest security level? (Besides all the other
security stuff to do, of course)

Thanks a lot!
Tom
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: repeated conditions in sql queries

2009-07-05T10:24:00.001-07:00

Barun Singh wrote:
[...]
> consider the following app with two models linked through a join
> table:
>
>
> class User < ActiveRecord::Base
> has_many :boxes_users
> has_many :boxes, :through => :boxes_users
> end
>
> class Box < ActiveRecord::Base
> named_scope :brown, :conditions => {:color => 'brown'}
> end
>
> class BoxesUser < ActiveRecord::Base
> belongs_to :box
> belongs_to :user
> end

Off the main topic for a second: if the join table needs a separate
model, change its name to something more descriptive. "BoxesUser" is
not a terribly descriptive name. "Assignment" or "BoxAssignment" might
be clearer.

>
>
> If I run this query:
> >> User.find(1).boxes.brown
>
> The following SQL is generated:
>
> SELECT "boxes".* FROM "boxes" INNER JOIN "boxes_users" ON "boxes".id =
> "boxes_users".box_id WHERE (("boxes_users".user_id = 1)) AND
> (("boxes"."color" = 'brown') AND (("boxes_users".user_id = 1)))
>
>
> Note that the ("boxes_users".user_id = 1) condition is repeated in the
> sql query. Think does not impact the query results (though it does
> makes parsing the development log a bit more tedious). Just curious
> if anyone knows if this could potentially lead to less efficient
> database queries in some circumstances, or have other secondary
> effects?

I doubt it. I would guess that the DB's query optimizer would notice
the duplicate condition right away and remove it.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org

--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Not sure how to do this

2009-07-05T10:08:00.000-07:00

On 3 jul, 22:43, Pat Nakajima <patnakaj...@gmail.com> wrote:
> > Could you explain why the first part would go entirely into the
>
> Machine model?
>
> Because it's better to encapsulate
> model logic in the models (and custom finders are model logic).
> Controllers should only be responsible for receiving a request,
> calling the appropriate model methods,
> then returning a response.
>
> - Pat

Thank you, that's very clear!

I've decided to try and go with this solution as this actually does
what I inteded to do. I just had some trouble understanding why in
most examples this piece of code is put into the controller and you
don't.
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[Rails] Re: Params Merge and URL sorting/pagination

2009-07-05T10:00:00.001-07:00

> If a form's submission method is get, then when you submit the form
> its input elements are serialized and turned into a query string. The
> standard just say that a ? and this query string is appended to the
> action attribute (which would probably create an invalid url such as
> foo?bar=baz?search=Florida ). In practise most browsers seem to just
> ignore the query string that was part of the action attribute,
> although I can't see anything in the standards that says this is ok
> (equally I can't see anything that says that the query strings need to
> be concatenated in a smart way). Given that the browser is going to
> junk the query string bit from the form's action attribute you'll need
> all of your various parameters as form parameters (unless you have
> routes which push those parameters into the path of the url)..
>
> Fred

Thanks Fred,

So, realistically if I just want a one-form submit query, I have to
either add hidden field inputs that pull the given parameters on the
given page so the form builds the query, or I have to use routes to do
something similar...

I'm almost inclined to believe that it will be simpler to just create an
advanced search form with all queries in place..

--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Authlogic & password problems using rspec

2009-07-05T09:48:00.000-07:00

doh, i ran into same problem. the fixture was generated with the now
invalid password column. simply delete it

$ rm test/fixtures/users.yml

On Jun 29, 4:06 pm, Yoann-Z <yoann.zim...@gmail.com> wrote:
> Hi,
>
> I have a problem using rspec with my rspec tests with my application.
> I used authlogic to create my athentication system, following the
> video on railscast. It works fine with cucumber, but I always have a
> problem with rspec :
>
> ActiveRecord::StatementInvalid in 'ApplUsersController new action
> should render new template'
> SQLite3::SQLException: table appl_users has no column named password:
> INSERT INTO "appl_users" ("created_at", "updated_at", "username",
> "id", "password", "email") VALUES ('2009-06-29 23:01:48', '2009-06-29
> 23:01:48', 'MyString', 996332877, 'MyString', 'MyString')
>
> In my spec file it is related to these lines :
>
> it "new action should render new template" do
> get :new
> response.should render_template(:new)
> end
>
> I think it is because of my migration file but I'm really not sure
>
> def self.up
> create_table :appl_users do |t|
> t.string :username
> t.string :email
> t.string :crypted_password
> t.string :password_salt
> t.string :persistence_token
> t.timestamps
> end
> end
>
> could you help me please?
> Thanks by advance
>
> -Yoann-Z
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[Rails] Re: How to Synchronize?

2009-07-05T09:22:00.000-07:00

Onur Gungor wrote:
[...]
>
> But then how can I synchronize this method's usage? I am very new to web
> development so I just heard about database locking.
>
> Simply, how should I use the
> ActiveRecord::Transactions::ClassMethods#transaction and
> ActiveRecord::Base#lock!?
>
> Would it be OK to create a model and its corresponding table for just
> locking? i.e. Lock model and locks table.

That would be pointless. If you wrap your DB operations in a
transaction, you will automatically get the appropriate locks -- and the
DB will keep track of them, so you don't have to.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: How to Synchronize?

2009-07-05T09:20:00.001-07:00

On Jul 5, 12:04 pm, Onur Gungor <rails-mailing-l...@andreas-s.net>
wrote:
> OK. Then it means Mutex'es don't work in a multi-process Passenger
> setup.
>
> But then how can I synchronize this method's usage? I am very new to web
> development so I just heard about database locking.
>
> Simply, how should I use the
> ActiveRecord::Transactions::ClassMethods#transaction and
> ActiveRecord::Base#lock!?
>
> Would it be OK to create a model and its corresponding table for just
> locking? i.e. Lock model and locks table.

That or rails' optimistic locking might be useful. I would usually shy
away from creating a Lock model, it just seems a bit artificial. I
would probably stick a locked_by_foo column on the appropriate model
and use that to tell whether a particular object is being updated (and
use optimistic locking in conjunction with that)

Fred
>
> Then use them like this:
>
> Lock.transaction do
>
> lock = Lock.find(1)
> lock.lock!
>
> # do my stuff which should be done by only one process at a time.
>
> end
>
> Thanks,
> Onur
> --
> Posted viahttp://www.ruby-forum.com/.
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[Rails] Re: Deploying without capistrano, using git pull?

2009-07-05T09:08:00.000-07:00

davetron5000 wrote:
> I'm NOT working on an enterprisey big time rails application; just
> something for my personal site.
>
> I've been deploying via
>
> local> git push origin master
> remote> git pull origin
> remote> sudo /etc/init.d/httpd restart
>
> Trying to decide if this is sufficient, or if learning capistrano and
> setting that up will give me any advantages over this?

It's usually better to automate where possible, and Capistrano gives you
a quick way of deploying with one command -- and rolling back with one
command. Honestly, I don't see why you *wouldn't* use it.

>
>
> Thanks,
>
> Dave

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: How can I DRY this up?

2009-07-05T09:06:00.001-07:00

Ha!

Rookie error

Thanks for that Fred.

On Jul 5, 4:52 pm, Frederick Cheung <frederick.che...@gmail.com>
wrote:
> On Jul 5, 11:42 am, Gavin <ga...@thinkersplayground.com> wrote:
>
> > module CommonValidations
>
> > def included(base)
> > base.class_eval do
> > validates_presence_of :name
> > end
> > end
> > end
>
> > and then include this module in the models that require it. I've also
> > tried various combinations with 'eval' and 'send' etc.
>
> Did you check to see whether your included method is called at all ?
> The included method needs to be a module method, i.e.
>
> def self.included(base)
> ...
> end
>
> for it to be used the way you want it to be used.
>
> Fred
>
>
>
> > The validations aren't called :(
>
> > Can anyone explain why this isn't working and if it's possbile to re-
> > use validations like this?
>
> > Thanks
>
> > Gavin
>
>
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[Rails] Re: How to Synchronize?

2009-07-05T09:04:00.000-07:00

Frederick Cheung wrote:
> On Jul 2, 11:10�am, Onur Gungor <rails-mailing-l...@andreas-s.net>
> wrote:
>>
>> First I suspected that this problem is originating because Passenger was
>> spawning processes and they are not sharing the mutex. But I checked the
>> documentation but couldn't find a mention of it. And in this link
>> (http://m.onkey.org/2008/10/23/thread-safety-for-your-rails) it says
>> that it's OK to use Mutexes (though not mentioning the multiprocess
>> passenger).
>>
>
> Mutexes aren't for cross process synchronisation (unlike a mutex in
> windows which can be shared across processes).
>
> Fred

OK. Then it means Mutex'es don't work in a multi-process Passenger
setup.

But then how can I synchronize this method's usage? I am very new to web
development so I just heard about database locking.

Simply, how should I use the
ActiveRecord::Transactions::ClassMethods#transaction and
ActiveRecord::Base#lock!?

Would it be OK to create a model and its corresponding table for just
locking? i.e. Lock model and locks table.

Then use them like this:

Lock.transaction do

lock = Lock.find(1)
lock.lock!

# do my stuff which should be done by only one process at a time.

end

Thanks,
Onur
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: How can I DRY this up?

2009-07-05T08:52:00.000-07:00

On Jul 5, 11:42 am, Gavin <ga...@thinkersplayground.com> wrote:
> module CommonValidations
>
> def included(base)
> base.class_eval do
> validates_presence_of :name
> end
> end
> end
>
> and then include this module in the models that require it. I've also
> tried various combinations with 'eval' and 'send' etc.

Did you check to see whether your included method is called at all ?
The included method needs to be a module method, i.e.

def self.included(base)
...
end

for it to be used the way you want it to be used.

Fred
>
> The validations aren't called :(
>
> Can anyone explain why this isn't working and if it's possbile to re-
> use validations like this?
>
> Thanks
>
> Gavin
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[Rails] repeated conditions in sql queries

2009-07-05T08:46:00.000-07:00

This is a minor question, mostly for curiosity: using rails 2.3, does
anybody else notice repeated conditions in sql queries?

consider the following app with two models linked through a join
table:

class User < ActiveRecord::Base
has_many :boxes_users
has_many :boxes, :through => :boxes_users
end

class Box < ActiveRecord::Base
named_scope :brown, :conditions => {:color => 'brown'}
end

class BoxesUser < ActiveRecord::Base
belongs_to :box
belongs_to :user
end

If I run this query:
>> User.find(1).boxes.brown

The following SQL is generated:

SELECT "boxes".* FROM "boxes" INNER JOIN "boxes_users" ON "boxes".id =
"boxes_users".box_id WHERE (("boxes_users".user_id = 1)) AND
(("boxes"."color" = 'brown') AND (("boxes_users".user_id = 1)))

Note that the ("boxes_users".user_id = 1) condition is repeated in the
sql query. Think does not impact the query results (though it does
makes parsing the development log a bit more tedious). Just curious
if anyone knows if this could potentially lead to less efficient
database queries in some circumstances, or have other secondary
effects?

[Rails] How can I DRY this up?

2009-07-05T08:42:00.000-07:00

Hey all!

Hope you're having a good weekend.

I have a couple of models that share a lot of similar validation so I
figured this would be a good opportunity to DRY my code up.

lets say for example:

class Squirrel < ActiveRecode::Base

validates_presence_of :name

end

class Badger < ActiveRecode::Base

validates_presence_of :name

end

what I've been trying to do is add a module in /lib called
CommonValidations

module CommonValidations

def included(base)
base.class_eval do
validates_presence_of :name
end
end
end

and then include this module in the models that require it. I've also
tried various combinations with 'eval' and 'send' etc.

The validations aren't called :(

Can anyone explain why this isn't working and if it's possbile to re-
use validations like this?

Thanks

Gavin
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[Rails] Re: Params Merge and URL sorting/pagination

2009-07-05T08:31:00.000-07:00

On Jul 5, 10:54 am, "Älphä Blüë" <rails-mailing-l...@andreas-s.net>
wrote:
> I took a break from this issue and tried to get back to it again today.
> I even tried implementing hidden fields but that doesn't work as
> expected. Can anyone offer input into this issue? Advice?
> Suggestions?
>
> 1. What options do I have for building a form using form_tag with
> params.merge?
>
> I have looked through a lot of sites online and
>
> <% form_tag(params.merge(:compiled_on => params[:compiled_on]), :method
> => 'get') do %>
> <%= hinted_text_field_tag :search, params[:search], "Enter Team" %>
> <%= submit_tag "Team Search", :name => nil %>
> <% end %>
>
> .. should work..
>
> However, it does not. I still only get search="Florida" and I don't get
> search="florida"&compiled_on="2009-07-02"..
>

If a form's submission method is get, then when you submit the form
its input elements are serialized and turned into a query string. The
standard just say that a ? and this query string is appended to the
action attribute (which would probably create an invalid url such as
foo?bar=baz?search=Florida ). In practise most browsers seem to just
ignore the query string that was part of the action attribute,
although I can't see anything in the standards that says this is ok
(equally I can't see anything that says that the query strings need to
be concatenated in a smart way). Given that the browser is going to
junk the query string bit from the form's action attribute you'll need
all of your various parameters as form parameters (unless you have
routes which push those parameters into the path of the url)..

Fred

> I hate bumping my own thread but either this is a very easy issue or
> it's a very complicated issue and no one has any advice for me. I've
> worked through this issue as far as I can by myself. I need some
> assistance.
>
> Thanks.
> --
> Posted viahttp://www.ruby-forum.com/.
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[Rails] Re: reassignement TCPSocket::new

2009-07-05T08:11:00.001-07:00

On Jul 5, 8:59 am, JannaB <mistressja...@hotmail.com> wrote:
>
>
> Usually, however, the channel info will remain the same. So I am
> wondering how I can make the socket persist from one POST/GET
> operation to the other, unless the channel has changed.
>
> And my second question is, if I someone does tell me how I can make it
> persist, do I run the risk of some sort of memory leaks here with
> this? I wonder because I have a solitary TCPSocket object which would
> then be reassigned -- does the un-assigned old reference that socket
> contained go automatically out of scope and get garbage collected?
> Thanks, Janna B

If you reassign a variable then its old contents will eventually be
garbage collected (assuming no other references to it).
You are likely to run into other problems though here: have you
thought about concurrent users using the app at the same time, or what
happens when you have multiple mongrels / passenger instances ?

Lastly it looks like @socket is an instance variable of your
controller, since every request is served by a new controller instance
@socket will always be nil.

Fred
> repeatedly in my controller, naturally,
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[Rails] Re: Deploying without capistrano, using git pull?

2009-07-05T08:03:00.001-07:00

On Jul 5, 10:12 am, davetron5000 <davetron5...@gmail.com> wrote:
> I'm NOT working on an enterprisey big time rails application; just
> something for my personal site.
>
> I've been deploying via
>
> local> git push origin master
> remote> git pull origin
> remote> sudo /etc/init.d/httpd restart
>
> Trying to decide if this is sufficient, or if learning capistrano and
> setting that up will give me any advantages over this?
>
Well on a larger setup (multiple servers etc) there is no question in
my mind that you want to use something like capistrano
Even on a small one machine setup, personally I'd always prefer to
automate things a little more because it's just too easy to update the
source but forget to run migrations and things like that.

Fred
> Thanks,
>
> Dave
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[Rails] Re: Params Merge and URL sorting/pagination

2009-07-05T07:57:00.001-07:00

I just wanted to add one more thing here:

<%= debug params %> shows:

--- !map:HashWithIndifferentAccess
search: florida
compiled_on: "2009-07-05"
action: index
controller: rushing_offenses

and the URL shows:

http://localhost:3000/rushing_offenses?search=florida

It should show:

http://localhost:3000/rushing_offenses?search=florida&compiled_on=2009-07-05

.. using what was listed in the post before this one.

Please assist.

--
Posted via http://www.ruby-forum.com/.

[Rails] Re: RESTFUL routes strange behavior

2009-07-05T07:55:00.001-07:00

On Jul 5, 8:33 am, Waheedi <Waheed.Barghou...@gmail.com> wrote:
> routes.rb
>
> api.resources :friends, :controller => :friends, :only =>
> [:list, :exists], :collection => {:list => :get, :ids => :get, :exists
> => :get}
>
> here is my rake routes.
>
> list_api_friends GET /api/friends/list
> {:controller=>"api/friends", :action=>"list"}
>
> formatted_list_api_friends GET /api/friends/
> list.:format {:controller=>"api/
> friends", :action=>"list"}
>
> this is the only accepted calls for controller => friends action =>
> list , so when calling
>
> curl -X POSThttp://localhost/api/friends/list.xmlshould return
> routing error but instead of that it returns the list as if was a GET
> request...
>
Do you still have the default route at the bottom of routes.rb ?

Fred
> any suggestions
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[Rails] Re: Params Merge and URL sorting/pagination

2009-07-05T07:54:00.001-07:00

I took a break from this issue and tried to get back to it again today.
I even tried implementing hidden fields but that doesn't work as
expected. Can anyone offer input into this issue? Advice?
Suggestions?

1. What options do I have for building a form using form_tag with
params.merge?

I have looked through a lot of sites online and

<% form_tag(params.merge(:compiled_on => params[:compiled_on]), :method
=> 'get') do %>
<%= hinted_text_field_tag :search, params[:search], "Enter Team" %>
<%= submit_tag "Team Search", :name => nil %>
<% end %>

.. should work..

However, it does not. I still only get search="Florida" and I don't get
search="florida"&compiled_on="2009-07-02"..

I hate bumping my own thread but either this is a very easy issue or
it's a very complicated issue and no one has any advice for me. I've
worked through this issue as far as I can by myself. I need some
assistance.

Thanks.
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: How to Synchronize?

2009-07-05T07:52:00.001-07:00

On Jul 2, 11:10 am, Onur Gungor <rails-mailing-l...@andreas-s.net>
wrote:
>
> First I suspected that this problem is originating because Passenger was
> spawning processes and they are not sharing the mutex. But I checked the
> documentation but couldn't find a mention of it. And in this link
> (http://m.onkey.org/2008/10/23/thread-safety-for-your-rails) it says
> that it's OK to use Mutexes (though not mentioning the multiprocess
> passenger).
>

Mutexes aren't for cross process synchronisation (unlike a mutex in
windows which can be shared across processes).

Fred

[Rails] Deploying without capistrano, using git pull?

2009-07-05T07:12:00.001-07:00

I'm NOT working on an enterprisey big time rails application; just
something for my personal site.

I've been deploying via

local> git push origin master
remote> git pull origin
remote> sudo /etc/init.d/httpd restart

Trying to decide if this is sufficient, or if learning capistrano and
setting that up will give me any advantages over this?

Thanks,

Dave
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[Rails] reassignement TCPSocket::new

2009-07-05T05:59:00.001-07:00

in my model, I have:

attr_accessor :socket

in my controller I have

def toServer(s)
begin
if(@socket == nil)
@socket = TCPSocket::new(@channel.serverip, @channel.port)
end
@socket.send(s,0)
rescue
return
end
end

I have a dropdown list in the view that lets the user select a
different channel, thus, the socket is created in the view based on
the ip and port of the selected channel.

Usually, however, the channel info will remain the same. So I am
wondering how I can make the socket persist from one POST/GET
operation to the other, unless the channel has changed.

And my second question is, if I someone does tell me how I can make it
persist, do I run the risk of some sort of memory leaks here with
this? I wonder because I have a solitary TCPSocket object which would
then be reassigned -- does the un-assigned old reference that socket
contained go automatically out of scope and get garbage collected?
Thanks, Janna B
repeatedly in my controller, naturally,
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[Rails] RESTFUL routes strange behavior

2009-07-05T05:33:00.000-07:00

routes.rb

api.resources :friends, :controller => :friends, :only =>
[:list, :exists], :collection => {:list => :get, :ids => :get, :exists
=> :get}

here is my rake routes.

list_api_friends GET /api/friends/list
{:controller=>"api/friends", :action=>"list"}

formatted_list_api_friends GET /api/friends/
list.:format {:controller=>"api/
friends", :action=>"list"}

this is the only accepted calls for controller => friends action =>
list , so when calling

curl -X POST http://localhost/api/friends/list.xml should return
routing error but instead of that it returns the list as if was a GET
request...

any suggestions

[Rails] Re: php => rails (JSON)

2009-07-05T04:49:00.001-07:00

Magnificent! Thank you Conrad!

On Jul 5, 1:30 am, Conrad Taylor <conra...@gmail.com> wrote:
> On Sat, Jul 4, 2009 at 10:26 PM, Conrad Taylor <conra...@gmail.com> wrote:
> > On Sat, Jul 4, 2009 at 7:12 PM, JannaB <mistressja...@hotmail.com> wrote:
>
> >> I have an application that creates a snippet of php in a server, fo
> >> packaging up data for JSON, using the php package "Pear." The snippet
> >> I create (with varying data, of course, as the application runs) is
> >> written in php, but I really want to keep things rails-centric. Is
> >> there a way to convert this to NOT use php, so that I am entirely Ruby
> >> on Rails? Thanks, Janna B
>
> >> <?php
> >> ini_set('include_path',ini_get('include_path').";C:\Program Files
> >> \Apache Group\Apache2\htdocs"."\pear");
> >> require('JSON.php');
>
> >> $records=array();
> >> $records[]=array('order'=>1, 'username'=>'joeyt');
> >> $json=new Services_JSON();
> >> echo($json->encode($records));
> >> ?>
>
> > Janna, the above PHP code simply converts a PHP array to JSON format.
> > Thus, you can do the equivalent in Ruby as follows:
>
> > require "json"
>
> > records = { order'=>1, 'username'=>'joeyt' }.to_json
>
> Correction:
>
> require "json"
>
> records = { 'order'=>1, 'username'=>'joeyt' }.to_json # Missed the leading
> quote
>
> > Good luck,
>
> > -Conrad
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[Rails] Re: Not sure how to do this

2009-07-05T02:14:00.002-07:00

Now that I read again, scoped won't allow destroy_all to get through, but I still stand by my point :)

On Sun, Jul 5, 2009 at 5:14 AM, Pat Nakajima <patnakajima@gmail.com> wrote:

That works, though it's definitely a good idea to sanitize which params can be used in such a manner. Otherwise, someone could send params like { :destroy_all => true } or something, and then there goes your database.

Pat

On Sat, Jul 4, 2009 at 1:07 PM, Matt Jones <al2o3cr@gmail.com> wrote:

You could try building up a chain of scopes - see this post:

http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/a7df6a8b9628bb4b/d6b738f83084ec91?lnk=gst&q=scoped#d6b738f83084ec91

As noted there, you can avoid cluttering up your model by using
'scoped' to create anonymous scopes.

So your example would look like:

# in the controller action
proxy = Machine
[:attr1, :attr2, :attr3].each do { |k|
proxy = proxy.scoped(:conditions => Hash[k, params[k]]) unless params
[k].blank?
}
@machines = proxy.find(:all)

That last find can also be a paginate, have limits, sorts, etc.

--Matt Jones

On Jul 2, 5:42 pm, jhaagmans <jaap.haagm...@gmail.com> wrote:
> In an app I'm working on, I want to have a filter in which you can
> specify certain attributes and click "filter" to activate an AJAX
> request and return a list of, say, machines that match with those
> attributes.
>
> No I'm not sure how to build the controller.
>
> If I would specify all the attributes, I would simply do:
>
> def filter
> @machines = Machine.find(:all, :conditions => { :attr_1 => params
> [:attr_1], :attr_2 ... }
> end
>
> But how would I do this if only some of the attributes are specified
> and the others are nil? Would I have to create @machines including all
> machines and have Rails do the rest of the work or is there a way to
> get find to do what I want?

[Rails] Re: Not sure how to do this

2009-07-05T02:14:00.001-07:00

That works, though it's definitely a good idea to sanitize which params can be used in such a manner. Otherwise, someone could send params like { :destroy_all => true } or something, and then there goes your database.

Pat

On Sat, Jul 4, 2009 at 1:07 PM, Matt Jones <al2o3cr@gmail.com> wrote:

You could try building up a chain of scopes - see this post:

http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/a7df6a8b9628bb4b/d6b738f83084ec91?lnk=gst&q=scoped#d6b738f83084ec91

As noted there, you can avoid cluttering up your model by using
'scoped' to create anonymous scopes.

So your example would look like:

# in the controller action
proxy = Machine
[:attr1, :attr2, :attr3].each do { |k|
proxy = proxy.scoped(:conditions => Hash[k, params[k]]) unless params
[k].blank?
}
@machines = proxy.find(:all)

That last find can also be a paginate, have limits, sorts, etc.

--Matt Jones

On Jul 2, 5:42 pm, jhaagmans <jaap.haagm...@gmail.com> wrote:
> In an app I'm working on, I want to have a filter in which you can
> specify certain attributes and click "filter" to activate an AJAX
> request and return a list of, say, machines that match with those
> attributes.
>
> No I'm not sure how to build the controller.
>
> If I would specify all the attributes, I would simply do:
>
> def filter
> @machines = Machine.find(:all, :conditions => { :attr_1 => params
> [:attr_1], :attr_2 ... }
> end
>
> But how would I do this if only some of the attributes are specified
> and the others are nil? Would I have to create @machines including all
> machines and have Rails do the rest of the work or is there a way to
> get find to do what I want?

[Rails] Re: prevent orphan records

2009-07-05T00:44:00.000-07:00

Jeffrey:

Thank you. I tried that but it still didn't work. So I have this

class Stat < ActiveRecord::Base

belongs_to :user
validates_presence_of :user_id
validates_associated :user

The user table is empty. I then create a stat with user_id = 99, which
does not exist in the user table. No error is produced:

Loading development environment (Rails 2.3.2)
>> stat = Stat.new(:user_id => 99)
=> #<Stat id: nil, user_id: 99, ...>
>> stat.save!
=> true
>>

A new record with user_id = 99 was created in the database although the
associated user does not exist. Perhaps this validation only validates
the associated user when that user exists. See API:
http://apidock.com/rails/ActiveModel/Validations/ClassMethods/validates_associated

Did I read it right?

Thanks.
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[Rails] tell me how to rectify this error

2009-07-04T23:28:00.001-07:00

hi i am using this command to scaffold

G:\my\webblog>ruby script/generate scaffold Comments comments:text

but i got the folllwoing error, can any one help to rectify htis
problam........
--
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[Rails] Re: distance_of_time_in_words fails in test

2009-07-04T22:56:00.000-07:00

Actually, I was looking at the parameters in the wrong order. I need
the - operator from the to_date wich is the TimeWithZone. That's
defined here:

def -(other)
# If we're subtracting a Duration of variable length (i.e.,
years, months, days), move backwards from #time,
# otherwise move backwards #utc, for accuracy when moving across
DST boundaries
if other.acts_like?(:time)
utc - other
elsif duration_of_variable_length?(other)
method_missing(:-, other)
else
result = utc.acts_like?(:date) ? utc.ago(other) : utc - other
rescue utc.ago(other)
result.in_time_zone(time_zone)
end
end

The rails console tells me I should hit the first condition, resulting
in a Time (which doesn't support abs). I still haven't found the
magic that makes this work in production.

Loading development environment (Rails 2.2.2)
>> a = DateTime.now
=> Sun, 05 Jul 2009 01:55:13 -0400
>> a.class
=> DateTime
>> b = Time.zone.now
=> Sun, 05 Jul 2009 05:55:31 UTC +00:00
>> b.class
=> ActiveSupport::TimeWithZone
>> c=b-a
=> Thu Jan 01 00:00:18 UTC 1970
>> c.class
=> Time
>>

On Jul 5, 1:02 am, Brian <butler.bria...@gmail.com> wrote:
> I have a DateTime object (from DateTime.now), and an
> ActiveSupport::TimeWithZone object (comes from a date in the DB). I'm
> passing these values to the helper method distance_of_time_in_words:
>
> <%= distance_of_time_in_words(DateTime.now, @myinstance.mydate) %>
>
> In the implementation of this helper is the following:
>
> distance_in_minutes = (((to_time - from_time).abs)/60).round
>
> In production, this works as expected. In testing, this results in:
>
> ActionView::TemplateError: undefined method `abs' for Sun Oct 26
> 19:49:44 UTC 1980:Time
>
> Here's where it gets strange. I opened this up in the debugger in
> both environments. In test, a DateTime minus a TimeWithZone gives me
> a Time. Time doesn't have an abs method, so this fails with a
> NoMethod exception. In production a DateTime minus a TimeWithZone
> results in a Rational, which does have abs!
>
> Why the different behavior in these two environments? I don't see the
> DateTime minus operator being redefined by rails anywhere, but maybe
> I'm not looking in the right place. I'm using Rails version 2.2.2.
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[Rails] Re: php => rails (JSON)

2009-07-04T22:30:00.001-07:00

On Sat, Jul 4, 2009 at 10:26 PM, Conrad Taylor <conradwt@gmail.com> wrote:

On Sat, Jul 4, 2009 at 7:12 PM, JannaB <mistressjanna@hotmail.com> wrote:

I have an application that creates a snippet of php in a server, for
packaging up data for JSON, using the php package "Pear." The snippet
I create (with varying data, of course, as the application runs) is
written in php, but I really want to keep things rails-centric. Is
there a way to convert this to NOT use php, so that I am entirely Ruby
on Rails? Thanks, Janna B

<?php
ini_set('include_path',ini_get('include_path').";C:\Program Files
\Apache Group\Apache2\htdocs"."\pear");
require('JSON.php');

$records=array();
$records[]=array('order'=>1, 'username'=>'joeyt');
$json=new Services_JSON();
echo($json->encode($records));
?>

Janna, the above PHP code simply converts a PHP array to JSON format.
Thus, you can do the equivalent in Ruby as follows:

require "json"

records = { order'=>1, 'username'=>'joeyt' }.to_json

Correction:

require "json"

records = { 'order'=>1, 'username'=>'joeyt' }.to_json # Missed the leading quote

Good luck,

-Conrad

[Rails] Re: php => rails (JSON)

2009-07-04T22:26:00.000-07:00

On Sat, Jul 4, 2009 at 7:12 PM, JannaB <mistressjanna@hotmail.com> wrote:

I have an application that creates a snippet of php in a server, for
packaging up data for JSON, using the php package "Pear." The snippet
I create (with varying data, of course, as the application runs) is
written in php, but I really want to keep things rails-centric. Is
there a way to convert this to NOT use php, so that I am entirely Ruby
on Rails? Thanks, Janna B

<?php
ini_set('include_path',ini_get('include_path').";C:\Program Files
\Apache Group\Apache2\htdocs"."\pear");
require('JSON.php');

$records=array();
$records[]=array('order'=>1, 'username'=>'joeyt');
$json=new Services_JSON();
echo($json->encode($records));
?>

Janna, the above PHP code simply converts a PHP array to JSON format.

Thus, you can do the equivalent in Ruby as follows:

require "json"

records = { order'=>1, 'username'=>'joeyt' }.to_json

Good luck,

-Conrad

[Rails] distance_of_time_in_words fails in test

2009-07-04T22:02:00.001-07:00

I have a DateTime object (from DateTime.now), and an
ActiveSupport::TimeWithZone object (comes from a date in the DB). I'm
passing these values to the helper method distance_of_time_in_words:

<%= distance_of_time_in_words(DateTime.now, @myinstance.mydate) %>

In the implementation of this helper is the following:

distance_in_minutes = (((to_time - from_time).abs)/60).round

In production, this works as expected. In testing, this results in:

ActionView::TemplateError: undefined method `abs' for Sun Oct 26
19:49:44 UTC 1980:Time

Here's where it gets strange. I opened this up in the debugger in
both environments. In test, a DateTime minus a TimeWithZone gives me
a Time. Time doesn't have an abs method, so this fails with a
NoMethod exception. In production a DateTime minus a TimeWithZone
results in a Rational, which does have abs!

Why the different behavior in these two environments? I don't see the
DateTime minus operator being redefined by rails anywhere, but maybe
I'm not looking in the right place. I'm using Rails version 2.2.2.
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[Rails] Re: Password needed to view atom feed

2009-07-04T21:13:00.001-07:00

On Sat, Jul 4, 2009 at 10:27 AM, Aaron
Day<rails-mailing-list@andreas-s.net> wrote:
>
> I have a before_filter in the controller where the atom feed is coming
> from. I want it to check the password when entering that area but not
> when a user wants to view the rss feed. Is there a way I can use the
> :except here? It's the before_filter on index that makes this happen.

Is the RSS feed generated within the index action?
I tend to find that if I'm exposing a feed, it usually contains the
same info as the index action (although I might have to hide some
links from non-authenticated users)
Therefore, I can just do :except => :index

If you need to keep index locked down, move your feed to a feed action
and expose that using :except => :feed

Andrew Timberlake
http://ramblingsonrails.com

http://MyMvelope.com - The SIMPLE way to manage your savings

[Rails] How do I generate dynamic items dynamically?

2009-07-04T21:00:00.001-07:00

Hi All,

I'm looking for a way to append elements with javascript using
javascript. Basically I have two lists of items. One has a list of
items with an "ADD" button (using "link_to_remote") and the other has
a list of items with a "REMOVE" button (using "link_to_remote"). When
I click the "ADD" it immediately places the item into the other list.
However, I need to be able to have the newly inserted item perform the
reverse action for "REMOVE".

I see no way (besides, perhaps creating a partial to render a non-
object) to dynamically generate dynamic items of this nature.

Any ideas?

Best.
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[Rails] Re: prevent orphan records

2009-07-04T20:53:00.001-07:00

Quoting Learn By Doing <easebus@gmail.com>:
>
> Hi Colin,
>
> After reading the API, I think that
>
> validates_presence_of :user_id
>
> will not even check to make sure that the user exists in the user
> table. It only makes sure that the field value is not blank:
> http://apidock.com/rails/ActiveRecord/Validations/ClassMethods/validates_presence_of.
>
> So this validation does not do the work of a proper foreign key
> constraint. Am I reading the API incorrectly?
>

Yes, there is another validation to verify that the associated object exists
and is valid, validates_associated.

HTH,
Jeffrey

[Rails] Re: RJS error ("Can't find variable: point") not providing sufficient information.

2009-07-04T20:51:00.000-07:00

Wow. Nevermind. Was a case of attempting to follow an example too
closely. Literalism FAIL! After adjusting my ":with" to "point = #
{domid}" everything worked.

On Jul 4, 11:45 pm, gberz3 <gbe...@gmail.com> wrote:
> Hi All,
>
> I'm having an issue with rails involving javascript. Basically, I
> have the following code:
>
> <ul id="all-points">
> <%for point in Point.find(:all)%>
> <%domid = "point[all][#{point.id}]"%>
> <li class="available-point" id='<%=domid%>'>
> <span>
> <%= link_to_remote "ADD",:url => {:action => "add_point"},
> :html => {:style => "background: wheat; color: gray; text-
> decoration: none; border: 1px solid gray;"},
> :with => "'point=' + #{domid}"
> %>
> </span>
> (<%=point.source%>) &nbsp <%=point.name%>
> </li>
> <%= draggable_element(domid, :ghosting => true, :revert =>
> true, :scroll => "window")%>
> <%end%>
> </ul>
>
> However, I keep receiving RJS errors telling me "Can't find variable:
> point". The error has something to do with DOMID as when I change the
> word "point" to "alksdjflksdjfls" (a.k.a. garbage), it warns me about
> the garbage name. I'm admittedly rusty when it comes to Javascript,
> but this error doesn't seem to give enough info. Can someone please
> tell me what is wrong with my code?
>
> FYI, the error comes in my controller when I say:
>
> def add_point
> render :update do |page|
> page.insert_html :bottom, "selected-points", "<li>test phrase</
> li>"
> page.remove params[:point] #error occurs here
> end
> end
>
> I've tried encodeURIComponent as well, but nothing seems to matter.
> Also, I'm using both Safari and Firefox to debug. Thoughts?
>
> Best.
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[Rails] RJS error ("Can't find variable: point") not providing sufficient information.

2009-07-04T20:45:00.001-07:00

Hi All,

I'm having an issue with rails involving javascript. Basically, I
have the following code:

<ul id="all-points">
<%for point in Point.find(:all)%>
<%domid = "point[all][#{point.id}]"%>
<li class="available-point" id='<%=domid%>'>
<span>
<%= link_to_remote "ADD",:url => {:action => "add_point"},
:html => {:style => "background: wheat; color: gray; text-
decoration: none; border: 1px solid gray;"},
:with => "'point=' + #{domid}"
%>
</span>
(<%=point.source%>) &nbsp <%=point.name%>
</li>
<%= draggable_element(domid, :ghosting => true, :revert =>
true, :scroll => "window")%>
<%end%>
</ul>

However, I keep receiving RJS errors telling me "Can't find variable:
point". The error has something to do with DOMID as when I change the
word "point" to "alksdjflksdjfls" (a.k.a. garbage), it warns me about
the garbage name. I'm admittedly rusty when it comes to Javascript,
but this error doesn't seem to give enough info. Can someone please
tell me what is wrong with my code?

FYI, the error comes in my controller when I say:

def add_point
render :update do |page|
page.insert_html :bottom, "selected-points", "<li>test phrase</
li>"
page.remove params[:point] #error occurs here
end
end

I've tried encodeURIComponent as well, but nothing seems to matter.
Also, I'm using both Safari and Firefox to debug. Thoughts?

[Rails] Re: JavaScript validation

2009-07-04T19:44:00.001-07:00

ya sure...

On Sat, Jul 4, 2009 at 9:02 PM, Rob Cash <rails-mailing-list@andreas-s.net> wrote:

Lakshmi Narayana wrote:
> hi,
>
> i also faced the similar problem.. long time back.. and i ahave used
> jQuery
> plugin for that.. so i thought i can help you..
> check out this url
> http://bassistance.de/jquery-plugins/jquery-plugin-validation/..
> this should do.... any quieries i am available online....
>
> On Fri, Jul 3, 2009 at 9:17 PM, Rob Cash

Thanks to all for the replies! ... Lakshmi, I'll give this a try and may
be back with you for questions.
--

Posted via http://www.ruby-forum.com/.

[Rails] php => rails (JSON)

2009-07-04T19:12:00.000-07:00

I have an application that creates a snippet of php in a server, for
packaging up data for JSON, using the php package "Pear." The snippet
I create (with varying data, of course, as the application runs) is
written in php, but I really want to keep things rails-centric. Is
there a way to convert this to NOT use php, so that I am entirely Ruby
on Rails? Thanks, Janna B

<?php
ini_set('include_path',ini_get('include_path').";C:\Program Files
\Apache Group\Apache2\htdocs"."\pear");
require('JSON.php');

$records=array();
$records[]=array('order'=>1, 'username'=>'joeyt');
$json=new Services_JSON();
echo($json->encode($records));
?>

[Rails] Re: prevent orphan records

2009-07-04T17:52:00.001-07:00

Hi Colin,

After reading the API, I think that

validates_presence_of :user_id

will not even check to make sure that the user exists in the user
table. It only makes sure that the field value is not blank:
http://apidock.com/rails/ActiveRecord/Validations/ClassMethods/validates_presence_of.

So this validation does not do the work of a proper foreign key
constraint. Am I reading the API incorrectly?

Thanks.

On Jul 4, 2:14 am, Colin Law <clan...@googlemail.com> wrote:
> 2009/7/4 Learn by Doing <rails-mailing-l...@andreas-s.net>:
>
>
>
>
>
> > If I have
>
> > belongs_to :user
>
> > Do I need to have
>
> > validates_presence_of :user_id
>
> > ?
>
> > Does Rails validate the presence of :user_id automatically if I have
> > belongs_to :user?
>
> > In other words, does Rails prevent against creating orphan records that
> > belong to non-existent users?
>
> I believe rails will not stop you creating a record with an empty
> user_id. To be pedantic this is 'does not belong to any user' rather
> than 'belongs to a non-existent user' (for a non-existent user the
> user_id would contain a non-nil value for which there is no user). In
> some applications this is a valid requirement. If you wish to prevent
> this then include validates_presence_of as you have indicated.
>
> Colin
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[Rails] add a new locale using raul's translate_routes plug-in

2009-07-04T16:55:00.001-07:00

I just started using Raul Murciano's translate_routes plug-in. It's
great. Now what I can't understand is how to add a new locale (in my
case, French). I figured that I could just add a new section to my
translation file (text.yml). I appended the following to the text.yml
file:

fr:
back: retourner

Then in my application layout (which I copied from Raul's demo
application), I changed the code from:

<%= I18n.locale == 'es' ? link_to('en', :locale => 'en') : link_to
('es', :locale => 'es') %>

to:

<%= I18n.locale == 'fr' ? link_to('en', :locale => 'en') : link_to
('fr', :locale => 'fr') %>

When I run my application, I get this error:

No route matches {:action=>"index", :locale=>"fr"}

So, I'm guess I've got to make a change somewhere else for the
application to recognize this new route. What am I missing?
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[Rails] Re: save! not allowed after validates_uniqueness

2009-07-04T15:35:00.000-07:00

Hi Conrad,

I am using Rails 2.3.2 and Ruby 1.8.7, the latest stable combination
recommended by rubyonrails.org.

I am continuing to troubleshoot this. I have deleted all the sample
data that I preloaded so that my database is empty. Now, the opposite
is happening, it is letting me create records in violation of the
uniqueness validation:

>> stat0 = Stat.new(:user_id => 1000, :aspect => "aspect0")
=> #<Stat id: nil, user_id: 1000, aspect: "aspect0">
>> stat0.save!
=> true
>> stat0 = Stat.new(:user_id => 1000, :aspect => "aspect0")
=> #<Stat id: nil, user_id: 1000, aspect: "aspect0">
>> stat0.save!
=> true

I check the database and yes it contains both of the above identical
records. Only their :Stat_ids are different. Something wrong with my
uniqueness validation?

validates_uniqueness_of :aspect, :scope => :user_id

Thanks.
--
Posted via http://www.ruby-forum.com/.

[Rails] CMS action & "/cms" subfolder for each controller

2009-07-04T15:29:00.001-07:00

How do I do this? (And is this a good solution?)

I want to have a "/cms" for each controller so I can login as admin
and edit them, instead of creating whole new controllers for the cms.

Default if you add a new action like, def cms... you have to do /
controller/1/cms.

I'm thinking of creating the backend that all links up each controller
through the "/cms"

How can I route this? and is this a good idea?
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[Rails] Re: save! not allowed after validates_uniqueness

2009-07-04T15:18:00.001-07:00

On Sat, Jul 4, 2009 at 2:57 AM, Learn by Doing <rails-mailing-list@andreas-s.net> wrote:

I have this in a model

validates_uniqueness_of :aspect, :scope => :user_id

In an instance method of the same model I have "save!" but I don't touch
the :aspect attribute in that instance method at all.

Whenever that save! command is run however I get this error:

ActiveRecord::RecordInvalid: Validation failed: Aspect has
already been taken

I don't understand. The validation should not skip the instance from
which the method is called. Please help. Thanks.
--
Posted via http://www.ruby-forum.com/.

What version of Rails are you using? Did you try this in Edge Rails?

-Conrad

[Rails] Re: routing URL REST or not REST

2009-07-04T15:14:00.001-07:00

You may also want to look at the :shallow option to map.resources - it
does pretty much what you're looking for.

--Matt Jones

On Jul 3, 6:13 pm, Erwin <yves_duf...@mac.com> wrote:
> my question is maybe silly.... but it's already July 4th .. and I am
> tired..
>
> until now I have been using in my tests the following routes
> (simplified version)
>
> map.resources :academies do |academies|
> academies.resources :ecourses
> academies.resources :instructors
> academies.resources :trainees
> end
>
> so I get the URL type : /academies/1/libraries from
> academy_libraries_path(current_user.academy)
>
> the current_user being defined , and he is always logged into one
> academy when working ( current_user.academy)
>
> I wonder is it possible to replace academy_id in the URL with a
> string 'CURRENT' ? and have :
>
> /academies/CURRENT/libraries (then nobody could hack the academy)
>
> or is it better to keep the REST URL type and perform a security check
> (permit ) in the controller ??
>
> thanks
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[Rails] Re: Msdd update

2009-07-04T15:05:00.000-07:00

On Sat, Jul 4, 2009 at 2:35 PM, JannaB <mistressjanna@hotmail.com> wrote:

I must be missing something. I have a list of values returned (id's to
my 'associates' table) and I want to update all of those in the list.
Presently, I iterate through the list, updating each one (see below).

Isn;t there a way I can do this all in one fell swoopy in RoR, without
having to iterate through the list? -Janna B.

params[:form__list1].each do |id|
associate = Associate.find(id)
associate.update_attributes({:channel_id =>
@channel.id, :joined_channel_datetime => DateTime.now})
end

option 1: try using update_all

Note: Please see API documentation for further explaination.

option 2: rework the original code to eliminate the find call within the block and iterate over the Association instances

associates = Associate.find( params[:form__list1] )

associates.each do | associate |

associate.update_attributes( {:channel_id => @channel.id, :joined_channel_datetime => DateTime.now } )

end

Good luck,

-Conrad

[Rails] Re: Ajax request and redirection

2009-07-04T14:58:00.000-07:00

Quick edit:

On the client side, Firefox does not show any error.

I meant to say:

On the client side, Firebug in Firefox does not show any error.

--
Posted via http://www.ruby-forum.com/.

[Rails] Ajax request and redirection

2009-07-04T14:55:00.001-07:00

This is most likely my lack of understanding of Ajax concepts, but I
cannot find an answer on the web for the following question:

"Should an ajax request triggered by a specific page must come back to
the same page?"

Here is my jQuery handler in the jsTree that communicates with my server
side Rails code:

Note that the base_url is defined at the top of this file as shown
below:

So I am POSTing to the url
http://localhost:3000/folders/set_current_folder/1

Which invokes the set_current_folder method with a params[:id] value for
my currently selected folder. The set_current_folder method is as
follows:

def set_current_folder
@folder = Folder.find(params[:id])
session[:nested_folder_id] = nil
unless @folder.practice_id.blank?
session[:folder_id] = @folder.id
flash[:notice] = "Current folder set to #{current_folder.name}"
redirect_to documents_path
else # this should not happen, yet just in case
flash[:warning] = "Please associate this folder with corresponding
practice first."
redirect_to(:action => 'edit', :id => session[:folder_id])
end
end

As can be seen above, set_current_folder method sets the value of
currently selected folder in the session in the line of code

session[:folder_id] = @folder.id

And the redirects to the documents_controller's default index action
which shows the documents for that folder. I have run the program
through debugger and it actually hits that line of code and populates
the :folder_id variable in the session hash.

But after redirect, it disappears and cannot be seen by the
documents_controller. Finally, I get a "server error" on the page where
I trigger this request instead of ending up on the index.html.erb page
for the documents_controller. The server side log shows no errors. On
the client side, Firefox does not show any error.

Please help me understand what is going on here?

Thanks.

Bharat
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: save! not allowed after validates_uniqueness

2009-07-04T14:52:00.001-07:00

Hi Colin,

Thanks for asking that question. I had preloaded the database so I
didn't have to create a new record. So now I just tried doing that and
it wouldn't let me create a new record although the :aspect value I used
does not exist at all in the database. Console output is below:

>> stat0 = Stat.new(:user => user0, :aspect => "aspect0")
=> #<Stat id: nil, user_id: 1000, aspect: "aspect0", . . .>
>> stat0.save!
ActiveRecord::RecordInvalid: Validation failed: Aspect has already been
taken
from
/opt/local/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/validations.rb:1021:in
`save_without_dirty!'
from
/opt/local/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/dirty.rb:87:in
`save_without_transactions!'
from
/opt/local/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:200:in
`save!'
from
/opt/local/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/connection_adapters/abstract/database_statements.rb:136:in
`transaction'
from
/opt/local/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:182:in
`transaction'
from
/opt/local/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:200:in
`save!'
from
/opt/local/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:208:in
`rollback_active_record_state!'
from
/opt/local/lib/ruby/gems/1.8/gems/activerecord-2.3.2/lib/active_record/transactions.rb:200:in
`save!'
from (irb):70

"aspect0" is something I completely made up and does not exist in the
database. :user_id 1000 does exist in different rows with different
values of :aspect however.
--
Posted via http://www.ruby-forum.com/.

[Rails] Msdd update

2009-07-04T14:35:00.000-07:00

I must be missing something. I have a list of values returned (id's to
my 'associates' table) and I want to update all of those in the list.
Presently, I iterate through the list, updating each one (see below).

Isn;t there a way I can do this all in one fell swoopy in RoR, without
having to iterate through the list? -Janna B.

params[:form__list1].each do |id|
associate = Associate.find(id)
associate.update_attributes({:channel_id =>
@channel.id, :joined_channel_datetime => DateTime.now})
end
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[Rails] Re: find Composite Primary Keys

2009-07-04T14:23:00.001-07:00

Jeffrey,

Thank you for the enlightenment!

Happy Independence Day!
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: save! not allowed after validates_uniqueness

2009-07-04T14:18:00.000-07:00

2009/7/4 Learn by Doing <rails-mailing-list@andreas-s.net>:
>
> Hi Nicholas,
>
> Thanks for your response. What I meant was that validation should not
> compare the object that is being updated against its own existing copy.
> For example, I am editting an existing object:
>
> [:aspect => "Aspect-A", :user_id => 5, :third_field => "morning"].
>
> Now, the object is unique in the database according to
>
> validates_uniqueness_of :aspect, :scope => :user_id
>
> That's all good. However, when I update the object with the following
> statements:
>
> self.third_field = "night"
> save!
>
> Rails returns an error:
>
> ActiveRecord::RecordInvalid: Validation failed: Aspect has
> already been taken
>
> Why? I am just trying to update an existing object, not create a new
> one that would violate the uniqueness validation.

What code are you using for creating and modifying the object before saving it?

Colin

[Rails] Re: save! not allowed after validates_uniqueness

2009-07-04T14:14:00.001-07:00

Hi Nicholas,

Thanks for your response. What I meant was that validation should not
compare the object that is being updated against its own existing copy.
For example, I am editting an existing object:

[:aspect => "Aspect-A", :user_id => 5, :third_field => "morning"].

Now, the object is unique in the database according to

validates_uniqueness_of :aspect, :scope => :user_id

That's all good. However, when I update the object with the following
statements:

self.third_field = "night"
save!

Rails returns an error:

ActiveRecord::RecordInvalid: Validation failed: Aspect has
already been taken

Why? I am just trying to update an existing object, not create a new
one that would violate the uniqueness validation.

Thanks.
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: prevent orphan records

2009-07-04T14:04:00.001-07:00

Thanks Marnen and Colin for your excellent suggestions.
--
Posted via http://www.ruby-forum.com/.

[Rails] Using Mutex'es in a Rails app (WAS: How to Synchronize?)

2009-07-04T13:31:00.000-07:00

Hi,

I don't really know whether it's appropriate to re-post a message. But I
think I asked my question in a proper way, and would like to re-post to
eliminate the chance of missing the right people for this question.

Here is the original message:

-----
Onur Gungor wrote:

Hi,

I am developing a web based game in which people try to guess the
concealed word in a collaborative manner.

As you already take for granted, I use ruby on rails on the server side.

But I have a problem, I synchronize the method which arranges games and
informs the users using a Mutex. Though I didn't tested heavily, it
seemed to work on the development server. But when I deployed the
project onto the production server, it seems that it's not functioning
(or there may be some other problem)

On the development, I use a mongrel server, which I start on the command
line (script/server -b bla bla -p 3000)

On the production server, I use Passenger with the default settings.

First I suspected that this problem is originating because Passenger was
spawning processes and they are not sharing the mutex. But I checked the
documentation but couldn't find a mention of it. And in this link
(http://m.onkey.org/2008/10/23/thread-safety-for-your-rails) it says
that it's OK to use Mutexes (though not mentioning the multiprocess
passenger).

What do you think the problem is about? I am posting a code snippet
which exemplifies my usage of Mutexes.

Here is the relevant versions:

Production:

Passenger: 2.2.2
Apache: 2.2.8-1ubuntu0.9

About your application's environment
Ruby version 1.8.6 (x86_64-linux)
RubyGems version 1.3.1
Rack version 1.0 bundled
Rails version 2.3.2
Active Record version 2.3.2
Action Pack version 2.3.2
Active Resource version 2.3.2
Action Mailer version 2.3.2
Active Support version 2.3.2
Edge Rails revision unknown
Application root XXXX
Environment development
Database adapter mysql

Development:

About your application's environment
Ruby version 1.8.7 (i486-linux)
RubyGems version 1.3.1
Rack version 1.0 bundled
Rails version 2.3.2
Active Record version 2.3.2
Action Pack version 2.3.2
Active Resource version 2.3.2
Action Mailer version 2.3.2
Active Support version 2.3.2
Edge Rails revision unknown
Application root XXXX
Environment development
Database adapter mysql
Database schema version 20090701025248

Here is the code:

def GameControl

@@semaphore = Mutex.new

def GameControl.start_game(user, singlegame = false)

@@semaphore.synchronize {

do the stuff here which I want to be processed by only one at a
time.

}

end

end
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Beginner needs help

2009-07-04T11:19:00.000-07:00

Tried the suggestions from Sijo. Worked like a charm. Coool..!

Thanks again everyone!

//Peter
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Beginner needs help

2009-07-04T11:12:00.000-07:00

Thanks guys,
I have been out of town a few days, thats why this late reply.

I am using Rails 2.3.2 The book was published in 2006 so I guess the
examples can be out of date. I ran into that when the book mentioned
start-form-tag and end-form-tag... Took me a while to figure that out.

Anyways, I am buildng all the examples from scratch, and so far I have
not downloaded anything, so it could be a typo, even though I have
checked the code several times...

Tha last two suggestions I haven't tried yet, but I will.

cheers,
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: :all or noop operator for find_all_by_*?

2009-07-04T11:03:00.000-07:00

Am 04.07.2009 um 19:11 schrieb Matt Jones:

> Assuming that Client has_many Hosts, you could do:

Yes, it has.

> client_hosts = options[:client] ? Client.find(options
> [:client]).hosts : Host
> old_hosts = client_hosts.last_seen_before((minutes.minutes.ago)

That still leaves me with a ? : construct, which in my eyes should be
useless.

Anyway, thanks Marnen and Matt for the suggestions, but I've gone with
the scope chaining mentioned in another post a little earlier on the
list. For the record, the result is:
"""
minutes = options[:minutes] || 10
client_id = options[:client] ? Client.find(options[:client]) : nil

old_hosts = Host.last_seen_before(minutes.to_i.minutes.ago)
old_hosts = old_hosts.find_all_by_client_id(client_id) unless
client_id.nil?
"""

For the next options/scopes, I can just continue to do 'old_hosts =
old_hosts.other_scope(some_param) unless some_param.nil?' to further
chain the scopes and thus narrow the list of results as needed.

Regards,

Felix

[Rails] Re: :all or noop operator for find_all_by_*?

2009-07-04T10:11:00.000-07:00

Assuming that Client has_many Hosts, you could do:

client_hosts = options[:client] ? Client.find(options
[:client]).hosts : Host
old_hosts = client_hosts.last_seen_before((minutes.minutes.ago)

--Matt Jones

On Jul 3, 3:38 pm, Felix Schäfer <schae...@cypres-it.com> wrote:
> Hello,
>
> I've been looking for a way to noop a find_all_by. Use case: I have a
> function that takes a hash called options as argument, and that
> operates on a subset of Host objects as such:
> """
> client_id = options[:client] ? Client.find(options[:client]) : nil
> old_hosts = client_id ?
> Host
> .last_seen_before
> (minutes.minutes.ago).find_all_by_client_id(client_id) :
> Host.last_seen_before(minutes.minutes.ago)
> """
> last_seen_before is a named_scope. If I had a noop for the
> find_all_by_client_id, I could make due of the client_id ? : part in
> the second line.
>
> I admit that this is quite a simple a case, and that it doesn't add
> much complexity to the program, but I'll soon have to add some more
> filters and/or scopes, and I'd hate to make different calls depending
> on whether the option is set or not.
>
> Does anyone know a way to make this less painfull?
>
> Thanks,
>
> Felix
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[Rails] Re: Not sure how to do this

2009-07-04T10:07:00.000-07:00

You could try building up a chain of scopes - see this post:

http://groups.google.com/group/rubyonrails-talk/browse_thread/thread/a7df6a8b9628bb4b/d6b738f83084ec91?lnk=gst&q=scoped#d6b738f83084ec91

As noted there, you can avoid cluttering up your model by using
'scoped' to create anonymous scopes.

So your example would look like:

# in the controller action
proxy = Machine
[:attr1, :attr2, :attr3].each do { |k|
proxy = proxy.scoped(:conditions => Hash[k, params[k]]) unless params
[k].blank?
}
@machines = proxy.find(:all)

That last find can also be a paginate, have limits, sorts, etc.

--Matt Jones

On Jul 2, 5:42 pm, jhaagmans <jaap.haagm...@gmail.com> wrote:
> In an app I'm working on, I want to have a filter in which you can
> specify certain attributes and click "filter" to activate an AJAX
> request and return a list of, say, machines that match with those
> attributes.
>
> No I'm not sure how to build the controller.
>
> If I would specify all the attributes, I would simply do:
>
> def filter
> @machines = Machine.find(:all, :conditions => { :attr_1 => params
> [:attr_1], :attr_2 ... }
> end
>
> But how would I do this if only some of the attributes are specified
> and the others are nil? Would I have to create @machines including all
> machines and have Rails do the rest of the work or is there a way to
> get find to do what I want?
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[Rails] Re: Eager loading with find_by_sql

2009-07-04T09:56:00.001-07:00

I'd recommend that you take a look at the association_preload.rb code
as well; I also wonder if the list might be able to help with the
find_by_sql query, given that you're working too hard on the
conditions below - :conditions => { :tweet_id => tweet_ids } will do
the same thing you're spelling out explicitly.

--Matt Jones

On Jul 4, 12:59 am, Dallas <dallas.devr...@gmail.com> wrote:
> I have a model Tweets, it has_many :teams
>
> I wrote a custom find_by_sql query for tweets (yes i tried all other
> approaches) such that I can't eager load the teams. I collect the ids
> and try to fake eager loading myself like so...
>
> team_hash = {}
> #collect up the tweet ids
> tweet_ids = tweets.collect{|t| t.id}
>
> #find the associated teams
> TeamTweet.find(:all, :include => :team, :conditions => "tweet_id IN ("
> + tweet_ids.join(',') +")").each do |tt|
> team_hash[tt.tweet_id] = team_hash[tt.tweet_id] ? team_hash
> [tt.tweet_id] << tt.team : [tt.team]
> end
>
> #reset the teams attribute
> tweets.each do |tweet|
> teams = team_hash[tweet.id] ? team_hash[tweet.id] : []
> tweet.write_attribute(:teams, teams)
> # also tried tweet.teams = teams
> end
>
> I'm not sure f there is a better way to do this in general but when I
> access tweet.teams it still queries the database for the teams on each
> tweet even though I set it already. I assumed this would be a common
> problem for people using find_by_sql but can't find anything. Any
> solutions or suggestions would be greatly appreciated!
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[Rails] Re: JavaScript validation

2009-07-04T08:32:00.001-07:00

Lakshmi Narayana wrote:
> hi,
>
> i also faced the similar problem.. long time back.. and i ahave used
> jQuery
> plugin for that.. so i thought i can help you..
> check out this url
> http://bassistance.de/jquery-plugins/jquery-plugin-validation/..
> this should do.... any quieries i am available online....
>
> On Fri, Jul 3, 2009 at 9:17 PM, Rob Cash

Thanks to all for the replies! ... Lakshmi, I'll give this a try and may
be back with you for questions.
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: prevent orphan records

2009-07-04T08:18:00.000-07:00

Colin Law wrote:
[...]
> I believe rails will not stop you creating a record with an empty
> user_id. To be pedantic this is 'does not belong to any user' rather
> than 'belongs to a non-existent user' (for a non-existent user the
> user_id would contain a non-nil value for which there is no user).

Correct.

> In
> some applications this is a valid requirement. If you wish to prevent
> this then include validates_presence_of as you have indicated.

Also make the field not null in the DB and add a foreign key constraint
(the foreign_key_migrations and foreign_key_associations plugins make
this easy). Remember, Rails' validations are not a replacement for the
DB's integrity checks. Don't rely solely on Rails for this.
>
> Colin

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Table Inheritance based on a function

2009-07-04T08:13:00.000-07:00

On 4 Jul., 00:10, Matt Jones <al2o...@gmail.com> wrote:
> Even the view method is going to end up binding the two together,

Of course, but it will derive the 'type' at the moment of the query,
and not a type that was last UPDATEd by the last RoR application (and
hopefully anybody else accessing the DB).

> Maybe I'm being dense, but it doesn't seem like any more "code in the
> DB" than defining the view.

Unfortunately it _is_ a lot more.
A database view is per se not updateable - several mechanism are being
discussed for a solution - like here for Postgres:
http://wiki.postgresql.org/wiki/Updatable_views

None of these concepts is simple and without debate.
And IMHO updateable view is also violating the "spirit of the
inventor" of relational DBs.

> Or, as the computer scientists call it, "memoization". I'd presume
> that the types involved change far less often than the data is
> accessed.

The database and its developers are mostly more succesful in deciding
how to optimize access to its tables than an application. This is one
of the organizational decisions a database implies.

> Some Google searching shows that most of the discussion around views
> and ActiveRecord focuses on either using updatable views or on doing
> read-only stuff with non-updatable views. I did find the Class-table
> Inheritance plugin, which may yield some insight for your project
> (docs @http://clti.rubyforge.org/).

Ok, I'll look closer into this.

> The biggest issue is that while
> views are part of the SQL standard, the rules for updating are very DB-
> specific. Since AR is targeted to be database-independent, the result
> is totally ignoring the feature.

Exactly - that's why it would make sense to have a standard RoR method
for setting a DB function - see example in my first post - for
deriving the class; instead of a fixed column.

And concerning DB-views, which is a separate issue:
A standard RoR solution for DB-Views would be nice.

[Rails] Re: save! not allowed after validates_uniqueness

2009-07-04T07:28:00.001-07:00

Can you please explain why you think the validation should be
"skipped"?

Cheers,
Nicholas

On Jul 4, 5:59 am, Learn by Doing <rails-mailing-l...@andreas-s.net>
wrote:
> Sorry, I meant The validation should SKIP the instance from which the
> method is called. It appears that save! tries to validate the object
> against itself and fails because of course it is not unique from itself.
> --
> Posted viahttp://www.ruby-forum.com/.
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[Rails] Re: Jruby + SQLServer

2009-07-03T13:12:00.000-07:00

Thanks for your hellping.

Sql server 2005

- jruby-1.3.1

gem list

actionmailer (2.3.2)
actionpack (2.3.2)
activerecord (2.3.2)
ActiveRecord-JDBC (0.5)
activerecord-jdbc-adapter (0.9.1)
activeresource (2.3.2)
activesupport (2.3.2)
builder (2.1.2)
camping (1.5.180)
jruby-openssl (0.5.1)
markaby (0.5)
metaid (1.0)
rails (2.3.2)
rake (0.8.7)
rspec (1.2.6)
sources (0.0.1)

I alredy try with jars:
sqljdbc.jar
jtds-1.2.jar

I can do all steps but rake db:create don´t work
nothing happening
don´t show erros
don´t create db

I have to create a easily intall app and i need rake db:create

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[Rails] Re: Jruby + SQLServer

2009-07-03T12:59:00.000-07:00

On Fri, Jul 3, 2009 at 7:44 AM, Augustus Costa<augustuscosta@gmail.com> wrote:
> Hi, I´m using jruby and sqladapter.jar to conect in my sql server.
> but this integration dont work well yet.
> my database.yml config:
>
>     host: localhost
>     adapter: jdbc
>     username: sasa
>     password: senha
>     driver: com.microsoft.sqlserver.jdbc.SQLServerDriver
>     url: jdbc:sqlserver://localhost;databaseName=rails_teste
>
> something wrong with this??

What error do you get? Did you include sqladapter.jar on the
classpath? Do you have the activerecord-jdbc-adapter gem installed?
What versions of all these (JRuby, activerecord-jdbc-adapter, Rails)?

/Nick

[Rails] Drag and Drop with Scriptaculous

2009-07-03T12:51:00.001-07:00

I have two side by side lists on a page, form__list1 and form__list2.
I want to drag ffrom list 1 to list 2. I am terribly confused on what
I must set up to make this drag and drop with Scritpaculous occur (and
where --- do I put things in my views, shown below, or the
helpers...or the controller). I know how to get the values from
form__list2 in my controller.....I just need to know what to put in
(and where) to make the DnD via scriptaculus occur here. Thanks,
Janna, view below:

<div style="float: left; width: 50%;">
<% form__list1 = [] %>
<% form__list1selected = [] %>
<% options_for_select_hash = [] %>
<% options_for_select_hash = Associate.find(:all, :order =>
'username ASC', :conditions => ["deleted=0 and (branch like ? or ?
like branch)", @channel.defbranchcode,
@channel.defbranchcode]).collect {|p| [ p.username, p.id ]} %>
<%= select_tag('form__list1[]', options_for_select
(options_for_select_hash, form__list1selected
[options_for_select_hash.length]), html_options = {"size" => 15,
"multiple" => true, :style => "width:200px"}) %>
</div>
<div style="float: left;">
<% form__list2 = [] %>
<% form__list2selected = [] %>
<%= select_tag('form__list2[]', options_for_select([],
form__list2selected[options_for_select_hash.length+Associate.find
(:all, :conditions => ["deleted=0"]).length]), html_options = {"size"
=> 15, "multiple" => true, :style => "width:200px" }) %>
</div>
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[Rails] Re: rake db:create == Protocol error

2009-07-03T12:48:00.001-07:00

Hmmm...

Thanks - I've tried it with "host: localhost" instead of socket, but
neither works - still get the "Protocol" error...

Any ideas?

On Jul 3, 8:38 pm, "Älphä Blüë" <rails-mailing-l...@andreas-s.net>
wrote:
> Greg wrote:
> > Thanks for the response.
>
> > I'm actually just trying to get db:create to work first (although I
> > did try db:migrate to no avail). Surely db:create should work with
> > just "development" defined in the yml and existing in MySQL ????
>
> > I will try creating and defining all three, just to be sure...
>
> Yep, db:create works for development only while db:create:all works with
> all specified environments listed in your database.yml file.
>
> You don't need the socket and you don't need the root@ubi line either...
>
> --
> Posted viahttp://www.ruby-forum.com/.
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[Rails] Re: rake db:create == Protocol error

2009-07-03T12:40:00.000-07:00

nm - the message was tied together with your console output..

--
Posted via http://www.ruby-forum.com/.

[Rails] Re: rake db:create == Protocol error

2009-07-03T12:38:00.002-07:00

Greg wrote:
> Thanks for the response.
>
> I'm actually just trying to get db:create to work first (although I
> did try db:migrate to no avail). Surely db:create should work with
> just "development" defined in the yml and existing in MySQL ????
>
> I will try creating and defining all three, just to be sure...

Yep, db:create works for development only while db:create:all works with
all specified environments listed in your database.yml file.

You don't need the socket and you don't need the root@ubi line either...

--
Posted via http://www.ruby-forum.com/.

[Rails] :all or noop operator for find_all_by_*?

2009-07-03T12:38:00.001-07:00

Hello,

I've been looking for a way to noop a find_all_by. Use case: I have a
function that takes a hash called options as argument, and that
operates on a subset of Host objects as such:
"""
client_id = options[:client] ? Client.find(options[:client]) : nil
old_hosts = client_id ?
Host
.last_seen_before
(minutes.minutes.ago).find_all_by_client_id(client_id) :
Host.last_seen_before(minutes.minutes.ago)
"""
last_seen_before is a named_scope. If I had a noop for the
find_all_by_client_id, I could make due of the client_id ? : part in
the second line.

I admit that this is quite a simple a case, and that it doesn't add
much complexity to the program, but I'll soon have to add some more
filters and/or scopes, and I'd hate to make different calls depending
on whether the option is set or not.

Does anyone know a way to make this less painfull?

Thanks,

Felix

[Rails] Re: rake db:create == Protocol error

2009-07-03T12:34:00.000-07:00

Thanks for the response.

I'm actually just trying to get db:create to work first (although I
did try db:migrate to no avail). Surely db:create should work with
just "development" defined in the yml and existing in MySQL ????

I will try creating and defining all three, just to be sure...

On Jul 3, 8:20 pm, Rick <richard.t.ll...@gmail.com> wrote:
> Have you created the library_development, library_test, and
> library_production databases? These need to be in place in mysql
> prior to any db:migrate calls.
>
> On Jul 2, 4:09 pm, Greg <dartg...@googlemail.com> wrote:
>
> > Hi,
>
> > I'm attempting to follow this tutorial:
>
> >http://www.tutorialspoint.com/ruby-on-rails/rails-database-setup.htm
>
> > To create a simple RoR app connected to a MySQL database. When I get
> > to the point where I have to run "rake db:create" I get the error
> > "Protocol error - db:migrate". E.g:
>
> > root@ubi:/home/greg/dev/library# rake db:create
> > create
> > Protocol error - db:create
> > root@ubi:/home/greg/dev/library#
>
> > I have no idea what this means and can find no information after
> > extensive googling. I'll provide as much info about my environment/
> > setup as I know how to provide...
>
> > Any help or suggestions as to how I can figure this out? Please......
>
> > Thanks,
> > Greg
>
> > ==============================================
> > I am running Ubuntu:
> > root@ubi:/home/greg/dev/library# uname -a
> > Linux ubi 2.6.28-13-generic #45-Ubuntu SMP Tue Jun 30 19:49:51 UTC
> > 2009 i686 GNU/Linux
>
> > I am using Mysql server version 5.0
> > root@ubi:/home/greg/docs/procedis/dev/library# mysql -V
> > mysql Ver 14.12 Distrib 5.0.75, for debian-linux-gnu (i486) using
> > readline 5.2
>
> > I am using ruby 1.8.7
> > root@ubi:/home/greg/docs/procedis/dev/library# ruby -v
> > ruby 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]
>
> > I have the following:
> > *** LOCAL GEMS ***
>
> > actionmailer (2.3.2)
> > actionpack (2.3.2)
> > activerecord (2.3.2)
> > activeresource (2.3.2)
> > activesupport (2.3.2)
> > mysql (2.7)
> > rails (2.3.2)
> > rake (0.8.7)
>
> > This is my database yml file:
> > root@ubi:/home/greg/dev/library# more config/database.yml
> > development:
> > adapter: mysql
> > encoding: utf8
> > database: library_development
> > pool: 5
> > username: root
> > password: xxxxxxxx
> > socket: /var/run/mysqld/mysqld.sock
> > root@ubi:/home/greg/dev/library#
>
> > (I have also tried with "host: localhost" instead of socket)
>
> > I am able to connect to the mysql database using the dbconsole:
>
> > root@ubi:/home/greg/dev/library# ruby script/dbconsole
> > Enter password:
> > Welcome to the MySQL monitor. Commands end with ; or \g.
> > Your MySQL connection id is 37
> > Server version: 5.0.75-0ubuntu10.2 (Ubuntu)
>
> > Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
>
> > mysql>
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[Rails] Re: How to dynamically load plugin files on every request?

2009-07-03T12:33:00.000-07:00

Vikrant wrote:
> Hi,
> I have been developing a Rails plugin recently, and I have realised
> that for every change I make into files of my plugin, I have to
> restart the server to make changes take effect. While changes at
> application's own file appear instantly.
> I'm writing only after I searched for an answer over web but didn't
> find any. It's getting irritating now.
>
> -thanks

I think it comes down to what type of plugin you are using first of all.
If the plugin communicates with a database or something that can change
dynamically then it can be done.

You can specify a configs environment with your plugin for how it
behaves via option types. Load those in a database and have an admin
page that changes the way it works there. I do this with a CMS plugin I
created for my site.

--
Posted via http://www.ruby-forum.com/.

[Rails] Re: rake db:create == Protocol error

2009-07-03T12:27:00.000-07:00

development:
adapter: mysql
encoding: utf8
reconnect: true
database: library_development
pool: 5
username: root
password: xxxxxxxx
host: localhost

This should be fine. You don't need to specify the socket. Are you
connecting on a particular port? If you are, you need to specify the
port if it's different than the normal 3306 I believe for mysql...
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: rake db:create == Protocol error

2009-07-03T12:20:00.001-07:00

Have you created the library_development, library_test, and
library_production databases? These need to be in place in mysql
prior to any db:migrate calls.

On Jul 2, 4:09 pm, Greg <dartg...@googlemail.com> wrote:
> Hi,
>
> I'm attempting to follow this tutorial:
>
> http://www.tutorialspoint.com/ruby-on-rails/rails-database-setup.htm
>
> To create a simple RoR app connected to a MySQL database. When I get
> to the point where I have to run "rake db:create" I get the error
> "Protocol error - db:migrate". E.g:
>
> root@ubi:/home/greg/dev/library# rake db:create
> create
> Protocol error - db:create
> root@ubi:/home/greg/dev/library#
>
> I have no idea what this means and can find no information after
> extensive googling. I'll provide as much info about my environment/
> setup as I know how to provide...
>
> Any help or suggestions as to how I can figure this out? Please......
>
> Thanks,
> Greg
>
> ==============================================
> I am running Ubuntu:
> root@ubi:/home/greg/dev/library# uname -a
> Linux ubi 2.6.28-13-generic #45-Ubuntu SMP Tue Jun 30 19:49:51 UTC
> 2009 i686 GNU/Linux
>
> I am using Mysql server version 5.0
> root@ubi:/home/greg/docs/procedis/dev/library# mysql -V
> mysql Ver 14.12 Distrib 5.0.75, for debian-linux-gnu (i486) using
> readline 5.2
>
> I am using ruby 1.8.7
> root@ubi:/home/greg/docs/procedis/dev/library# ruby -v
> ruby 1.8.7 (2008-08-11 patchlevel 72) [i486-linux]
>
> I have the following:
> *** LOCAL GEMS ***
>
> actionmailer (2.3.2)
> actionpack (2.3.2)
> activerecord (2.3.2)
> activeresource (2.3.2)
> activesupport (2.3.2)
> mysql (2.7)
> rails (2.3.2)
> rake (0.8.7)
>
> This is my database yml file:
> root@ubi:/home/greg/dev/library# more config/database.yml
> development:
> adapter: mysql
> encoding: utf8
> database: library_development
> pool: 5
> username: root
> password: xxxxxxxx
> socket: /var/run/mysqld/mysqld.sock
> root@ubi:/home/greg/dev/library#
>
> (I have also tried with "host: localhost" instead of socket)
>
> I am able to connect to the mysql database using the dbconsole:
>
> root@ubi:/home/greg/dev/library# ruby script/dbconsole
> Enter password:
> Welcome to the MySQL monitor. Commands end with ; or \g.
> Your MySQL connection id is 37
> Server version: 5.0.75-0ubuntu10.2 (Ubuntu)
>
> Type 'help;' or '\h' for help. Type '\c' to clear the buffer.
>
> mysql>
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[Rails] Re: Params Merge and URL sorting/pagination

2009-07-03T12:17:00.001-07:00

Okay I figured 80% of this out on my own after some trial and testing.
I still need help with params.merge on the forms only. Here's what I
did for the rest:

def sort_column(title, direction)
direction == "asc" ? image = "up.gif" : image = "down.gif"
(link_to image_tag(image, :border=>0, :alt => direction),
params.merge(:controller => controller.controller_name, :numteams =>
(@showall ? 120 : nil), :orderby => title, :sortby => direction))
end
# adds a button to show all teams on tables based on controller name
called.
def show_all_teams
(link_to "Show All Teams", params.merge(:controller =>
controller.controller_name, :numteams => 120, :orderby => 'rank',
:sortby => 'asc', :page => 1, :search => nil)) if !@showall
end
# adds a button to show simplified views on tables based on controller
ame called..
def show_simple_view
(link_to "Show Simple View", params.merge(:controller =>
controller.controller_name, :numteams => nil, :orderby => 'rank',
:sortby => 'asc')) if @showall || @searchteams
end

I added params.merge to the link tos and it just merged the params with
the existing ones with no changes. I had to modify the Show All Teams
link to show :page => 1 since it would get stuck if it was on simple
view and a page requester was say on 3.. I also had to change the
:search => nil so that show all would clear any search results and show
all teams.

This entire fix worked for 80% of the content.

Now, I still have issues with my forms. Here are the views:

<td align="left" valign="middle">
<% form_tag controller.controller_path, :method => 'get' do %>
<%= hinted_text_field_tag :search, params[:search], "Enter
Team" %>
<%= submit_tag "Team Search", :name => nil %>
<% end %>
</td>
<td align="left" valign="middle">
<% form_tag controller.controller_path, :method => 'get' do %>
<%= calendariffic_input(true, :compiled_on,
'calendariffic/date.png', 'search_cal', '%Y-%m-%d',
params[:compiled_on], {}, {:class => 'borderless'}) %>
<%= submit_tag "Date Search", :name => nil %>
<% end %>
</td>

How do I use params merge with the forms?

Many thanks in advance.

--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Can't install RMagick due to MagickWand problems

2009-07-03T11:10:00.000-07:00

I had the same problem today...
Solved with:

apt-get -y install libmagick9-dev

Parra

On Fri, Jul 3, 2009 at 10:28 AM, Heinz Strunk <rails-mailing-list@andreas-s.net> wrote:

Hello,

I'm trying to install/update rmagick on a Debian machine using:
gem install --local rmagick-2.10.0.gem

and get following error:
/usr/local/bin/ruby extconf.rb install --local rmagick-2.10.0.gem
checking for Ruby version >= 1.8.5... yes
checking for gcc... yes
checking for Magick-config... yes

Warning: Found more than one ImageMagick installation. This could cause
problems at runtime.
/usr/bin/Magick-config reports version 6.5.4-0 is installed in
/usr
/usr/bin/X11/Magick-config reports version 6.5.4-0 is installed
in /usr
Using 6.5.4-0 from /usr.

checking for ImageMagick version >= 6.3.5... yes
checking for HDRI disabled version of ImageMagick... yes
checking for stdint.h... yes
checking for sys/types.h... yes
checking for wand/MagickWand.h... no

Can't install RMagick 2.10.0. Can't find MagickWand.h.
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.

But want is installed:
:/usr/local/include/ImageMagick# ls -la
insgesamt 24
drwxr-sr-x 6 root staff 4096 2009-07-03 15:23 .
drwxrwsr-x 10 root staff 4096 2009-06-27 18:50 ..
drwxr-sr-x 2 root staff 4096 2009-06-27 19:27 bin
drwxr-sr-x 3 root staff 4096 2009-06-27 19:21 include
drwxr-sr-x 4 root staff 4096 2009-06-27 19:27 lib
drwxr-sr-x 5 root staff 4096 2009-06-27 19:21 share
lrwxrwxrwx 1 root staff 55 2009-07-03 15:23 wand ->
/usr/local/include/ImageMagick/include/ImageMagick/wand

Anyone knows what's wrong there?
--
Posted via http://www.ruby-forum.com/.

[Rails] How to dynamically load plugin files on every request?

2009-07-03T11:04:00.001-07:00

Hi,
I have been developing a Rails plugin recently, and I have realised
that for every change I make into files of my plugin, I have to
restart the server to make changes take effect. While changes at
application's own file appear instantly.
I'm writing only after I searched for an answer over web but didn't
find any. It's getting irritating now.

-thanks

[Rails] Re: Can't install RMagick due to MagickWand problems

2009-07-03T11:00:00.001-07:00

> On Jul 3, 9:28 am, Heinz Strunk <rails-mailing-l...@andreas-s.net> wrote:
> Hello,
>
> I'm trying to install/update rmagick on a Debian machine using:
> gem install --local rmagick-2.10.0.gem
>
> and get following error:
> /usr/local/bin/ruby extconf.rb install --local rmagick-2.10.0.gem
> checking for Ruby version >= 1.8.5... yes
> checking for gcc... yes
> checking for Magick-config... yes
>
> Warning: Found more than one ImageMagick installation. This could cause
> problems at runtime.
> /usr/bin/Magick-config reports version 6.5.4-0 is installed in
> /usr
> /usr/bin/X11/Magick-config reports version 6.5.4-0 is installed
> in /usr
> Using 6.5.4-0 from /usr.
>
> checking for ImageMagick version >= 6.3.5... yes
> checking for HDRI disabled version of ImageMagick... yes
> checking for stdint.h... yes
> checking for sys/types.h... yes
> checking for wand/MagickWand.h... no
>
> Can't install RMagick 2.10.0. Can't find MagickWand.h.
> *** extconf.rb failed ***
> Could not create Makefile due to some reason, probably lack of
> necessary libraries and/or headers. Check the mkmf.log file for more
> details. You may need configuration options.
>
> But want is installed:
> :/usr/local/include/ImageMagick# ls -la
> insgesamt 24
> drwxr-sr-x 6 root staff 4096 2009-07-03 15:23 .
> drwxrwsr-x 10 root staff 4096 2009-06-27 18:50 ..
> drwxr-sr-x 2 root staff 4096 2009-06-27 19:27 bin
> drwxr-sr-x 3 root staff 4096 2009-06-27 19:21 include
> drwxr-sr-x 4 root staff 4096 2009-06-27 19:27 lib
> drwxr-sr-x 5 root staff 4096 2009-06-27 19:21 share
> lrwxrwxrwx 1 root staff 55 2009-07-03 15:23 wand ->
> /usr/local/include/ImageMagick/include/ImageMagick/wand
>
> Anyone knows what's wrong there?
> --
> Posted viahttp://www.ruby-forum.com/.

try

sudo apt-get install libmagickcore-dev libmagickwand-dev

?
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[Rails] Re: Rails and Git: Rails code to serve git repositories?

2009-07-03T10:58:00.001-07:00

Rimantas Liubertas wrote:
[...]
> Well, another (costly!) possibility is to buy the real deal:
> http://fi.github.com/

I didn't know they were doing that now!

>
> Regards,
> Rimantas
> --
> http://rimantas.com/

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Rails and Git: Rails code to serve git repositories?

2009-07-03T10:42:00.000-07:00

> I don't think there's anything available, unless Gitorious has released
> its source (is that written with Rails? not sure), which is part of the
> reason that Github is such a big deal. You probably want to shell out
> to a native Git client, although Grit is also a possibility.

Well, another (costly!) possibility is to buy the real deal:
http://fi.github.com/

Regards,
Rimantas
--
http://rimantas.com/

[Rails] Re: Plugin for personal messages system?

2009-07-03T10:02:00.000-07:00

A quick search of the plugin directory turned up these results, in addition to the plugin you mentioned:

Easy_Messages

Restful_Easy_Messages

Simple Private Messages

acts_as_emailable

has_messages

--
Benjamin Curtis
http://railskits.com/ - Ready-made Rails code
http://catchthebest.com/ - Team-powered recruiting
http://www.bencurtis.com/ - Personal blog

On Fri, Jul 3, 2009 at 12:26 AM, Evgeniy Dolzhenko <dolzenko@gmail.com> wrote:

Hi all,

I'm kind of surprised there is no maintained plugin which can get me
out-of-the box personal messages system.

The only two close things google cames up with is
http://github.com/psergi/acts_as_messageable/tree/master plugin (I
would love to have some generic views also created for me, but this
one doesn't seem to offer that).

And pretty old tutorial http://www.novawave.net/public/rails_messaging_tutorial.html
.

And that's it.

I guess my only option then is to cannibalize some other open source
project to get required functionality, but that is also on the verge
of "better to write my own"?

TIA,
Evgeniy

[Rails] Re: Application doesn't work on two different machines

2009-07-03T09:59:00.001-07:00

OK, could have been a version conflict between Rails and
attachment-fu. One thing I didn't think of asking was to ensure you
had run the migrations in production. Pleased to hear you are good to
go.

Cheers,
Nicholas

On Fri, Jul 3, 2009 at 12:55 PM, Heinz
Strunk<rails-mailing-list@andreas-s.net> wrote:
>
> I just updated attachment_fu and did a db:migrate:reset and now
> everything works like a charm :) Thank you!
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>

[Rails] Re: Application doesn't work on two different machines

2009-07-03T09:55:00.000-07:00

I just updated attachment_fu and did a db:migrate:reset and now
everything works like a charm :) Thank you!
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Application doesn't work on two different machines

2009-07-03T09:48:00.002-07:00

I meant attachment_fu

On Fri, Jul 3, 2009 at 12:48 PM, Nicholas Henry<nicholas.henry@gmail.com> wrote:
> Have you tried updating attribute_fu? Where did you source it from?
>
> On Fri, Jul 3, 2009 at 12:43 PM, Heinz
> Strunk<rails-mailing-list@andreas-s.net> wrote:
>>
>> Hey,
>>
>> I was running 2.1.0 on my local machine as well but I updated it to
>> 2.2.2 but with no effect:
>> ActionView::TemplateError (undefined local variable or method `filename'
>> for #<News:0x40ec017c>) on line #8 of app/views/news/index.html.erb:
>> 5: </tr>
>> 6: <tr>
>> 7: <td class="news_table_pic">
>> 8: <%= image_tag(news.public_filename) %><br>
>> 9: Erstellt am <%= news.created_at.strftime("%d.%m.%Y") %><br>
>> 10: von <%=h news.author %>
>> 11: </td>
>>
>> /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/attribute_methods.rb:260:in
>> `method_missing'
>> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:233:in
>> `thumbnail_name_for'
>> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
>> `full_filename'
>> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:43:in
>> `public_filename'
>> app/views/news/index.html.erb:8
>> app/views/news/index.html.erb:1:in `each'
>> app/views/news/index.html.erb:1
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/renderable.rb:39:in
>> `send'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/renderable.rb:39:in
>> `render'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/template.rb:73:in
>> `render_template'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/base.rb:256:in
>> `render'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/base.rb:367:in
>> `_render_with_layout'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/base.rb:254:in
>> `render'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1174:in
>> `render_for_file'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:905:in
>> `render_without_benchmark'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:51:in
>> `render'
>> /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/core_ext/benchmark.rb:8:in
>> `realtime'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:51:in
>> `render'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:135:in
>> `send'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:135:in
>> `custom'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:164:in
>> `call'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:164:in
>> `respond'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:158:in
>> `each'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:158:in
>> `respond'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:107:in
>> `respond_to'
>> app/controllers/news_controller.rb:22:in `index'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1253:in
>> `send'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1253:in
>> `perform_action_without_filters'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:617:in
>> `call_filters'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:610:in
>> `perform_action_without_benchmark'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:68:in
>> `perform_action_without_rescue'
>> /usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:68:in
>> `perform_action_without_rescue'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/rescue.rb:136:in
>> `perform_action_without_caching'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/caching/sql_cache.rb:13:in
>> `perform_action'
>> /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in
>> `cache'
>> /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/query_cache.rb:8:in
>> `cache'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/caching/sql_cache.rb:12:in
>> `perform_action'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:524:in
>> `send'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:524:in
>> `process_without_filters'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:606:in
>> `process_without_session_management_support'
>> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/session_management.rb:134:in
>> `process'
>> ...
>>
>> Any other ideas?
>> --
>> Posted via http://www.ruby-forum.com/.
>>
>> >>
>>
>

[Rails] Re: Application doesn't work on two different machines

2009-07-03T09:48:00.001-07:00

Have you tried updating attribute_fu? Where did you source it from?

On Fri, Jul 3, 2009 at 12:43 PM, Heinz
Strunk<rails-mailing-list@andreas-s.net> wrote:
>
> Hey,
>
> I was running 2.1.0 on my local machine as well but I updated it to
> 2.2.2 but with no effect:
> ActionView::TemplateError (undefined local variable or method `filename'
> for #<News:0x40ec017c>) on line #8 of app/views/news/index.html.erb:
> 5: </tr>
> 6: <tr>
> 7: <td class="news_table_pic">
> 8: <%= image_tag(news.public_filename) %><br>
> 9: Erstellt am <%= news.created_at.strftime("%d.%m.%Y") %><br>
> 10: von <%=h news.author %>
> 11: </td>
>
> /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/attribute_methods.rb:260:in
> `method_missing'
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:233:in
> `thumbnail_name_for'
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
> `full_filename'
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:43:in
> `public_filename'
> app/views/news/index.html.erb:8
> app/views/news/index.html.erb:1:in `each'
> app/views/news/index.html.erb:1
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/renderable.rb:39:in
> `send'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/renderable.rb:39:in
> `render'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/template.rb:73:in
> `render_template'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/base.rb:256:in
> `render'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/base.rb:367:in
> `_render_with_layout'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/base.rb:254:in
> `render'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1174:in
> `render_for_file'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:905:in
> `render_without_benchmark'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:51:in
> `render'
> /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/core_ext/benchmark.rb:8:in
> `realtime'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:51:in
> `render'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:135:in
> `send'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:135:in
> `custom'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:164:in
> `call'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:164:in
> `respond'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:158:in
> `each'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:158:in
> `respond'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:107:in
> `respond_to'
> app/controllers/news_controller.rb:22:in `index'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1253:in
> `send'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1253:in
> `perform_action_without_filters'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:617:in
> `call_filters'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:610:in
> `perform_action_without_benchmark'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:68:in
> `perform_action_without_rescue'
> /usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:68:in
> `perform_action_without_rescue'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/rescue.rb:136:in
> `perform_action_without_caching'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/caching/sql_cache.rb:13:in
> `perform_action'
> /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in
> `cache'
> /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/query_cache.rb:8:in
> `cache'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/caching/sql_cache.rb:12:in
> `perform_action'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:524:in
> `send'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:524:in
> `process_without_filters'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:606:in
> `process_without_session_management_support'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/session_management.rb:134:in
> `process'
> ...
>
> Any other ideas?
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>

[Rails] Re: Rails and Git: Rails code to serve git repositories?

2009-07-03T09:45:00.000-07:00

Bjorn Boulder wrote:
> rails and git people,
>
> I am searching for some Rails code I can use to serve git
> repositories.
>
> Please alert me if you know of any projects which have this use-case.
>
> In other words I want to create my own github.

I don't think there's anything available, unless Gitorious has released
its source (is that written with Rails? not sure), which is part of the
reason that Github is such a big deal. You probably want to shell out
to a native Git client, although Grit is also a possibility.

If you want to collaborate on this, e-mail me. I've been thinking of
trying something like this myself.

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Application doesn't work on two different machines

2009-07-03T09:43:00.001-07:00

Hey,

I was running 2.1.0 on my local machine as well but I updated it to
2.2.2 but with no effect:
ActionView::TemplateError (undefined local variable or method `filename'
for #<News:0x40ec017c>) on line #8 of app/views/news/index.html.erb:
5: </tr>
6: <tr>
7: <td class="news_table_pic">
8: <%= image_tag(news.public_filename) %><br>
9: Erstellt am <%= news.created_at.strftime("%d.%m.%Y") %><br>
10: von <%=h news.author %>
11: </td>

/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/attribute_methods.rb:260:in
`method_missing'
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:233:in
`thumbnail_name_for'
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
`full_filename'
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:43:in
`public_filename'
app/views/news/index.html.erb:8
app/views/news/index.html.erb:1:in `each'
app/views/news/index.html.erb:1
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/renderable.rb:39:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/renderable.rb:39:in
`render'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/template.rb:73:in
`render_template'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/base.rb:256:in
`render'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/base.rb:367:in
`_render_with_layout'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/base.rb:254:in
`render'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1174:in
`render_for_file'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:905:in
`render_without_benchmark'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:51:in
`render'
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_support/core_ext/benchmark.rb:8:in
`realtime'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:51:in
`render'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:135:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:135:in
`custom'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:164:in
`call'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:164:in
`respond'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:158:in
`each'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:158:in
`respond'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/mime_responds.rb:107:in
`respond_to'
app/controllers/news_controller.rb:22:in `index'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1253:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:1253:in
`perform_action_without_filters'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:617:in
`call_filters'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:610:in
`perform_action_without_benchmark'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:68:in
`perform_action_without_rescue'
/usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/benchmarking.rb:68:in
`perform_action_without_rescue'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/rescue.rb:136:in
`perform_action_without_caching'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/caching/sql_cache.rb:13:in
`perform_action'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/connection_adapters/abstract/query_cache.rb:34:in
`cache'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.2.2/lib/active_record/query_cache.rb:8:in
`cache'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/caching/sql_cache.rb:12:in
`perform_action'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:524:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/base.rb:524:in
`process_without_filters'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/filters.rb:606:in
`process_without_session_management_support'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_controller/session_management.rb:134:in
`process'
...

Any other ideas?
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Application doesn't work on two different machines

2009-07-03T09:09:00.001-07:00

I think in your production environment you are using an older version
of Rails (review your error trace):

/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/

You should vendor your rails with your application to avoid this in the future.

Looks like it's an incompatibility with the version of attachment_fu
and active-record/rails.

Cheers,
Nicholas

On Fri, Jul 3, 2009 at 12:05 PM, Heinz
Strunk<rails-mailing-list@andreas-s.net> wrote:
>
> Local Windows machine:
> Rails 2.2.2
> ruby 1.8.6 (2007-03-13 patchlevel 0) [i386-mswin32]
> gem 1.3.2
>
> Debian machine (not working on this machine):
> Rails 2.2.2
> ruby 1.8.7 (2008-05-31 patchlevel 0) [i686-linux]
> gem 1.3.1
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>

[Rails] Re: Application doesn't work on two different machines

2009-07-03T09:05:00.000-07:00

Local Windows machine:
Rails 2.2.2
ruby 1.8.6 (2007-03-13 patchlevel 0) [i386-mswin32]
gem 1.3.2

Debian machine (not working on this machine):
Rails 2.2.2
ruby 1.8.7 (2008-05-31 patchlevel 0) [i686-linux]
gem 1.3.1
--
Posted via http://www.ruby-forum.com/.

[Rails] Re: Application doesn't work on two different machines

2009-07-03T09:00:00.000-07:00

Which version of rails are you developing with locally?

On Fri, Jul 3, 2009 at 11:54 AM, Heinz
Strunk<rails-mailing-list@andreas-s.net> wrote:
>
> Yes:
> ActionView::TemplateError (undefined local variable or method `filename'
> for #<News:0x40f5a7a4>) on line #8 of news/index.html.erb:
> 5: </tr>
> 6: <tr>
> 7: <td class="news_table_pic">
> 8: <%= image_tag(news.public_filename) %><br>
> 9: Erstellt am <%= news.created_at.strftime("%d.%m.%Y") %><br>
> 10: von <%=h news.author %>
> 11: </td>
>
> /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/active_record/attribute_methods.rb:256:in
> `method_missing'
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:233:in
> `thumbnail_name_for'
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
> `full_filename'
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:43:in
> `public_filename'
> app/views/news/index.html.erb:8:in
> `_run_erb_47app47views47news47index46html46erb'
> app/views/news/index.html.erb:1:in `each'
> app/views/news/index.html.erb:1:in
> `_run_erb_47app47views47news47index46html46erb'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/base.rb:338:in
> `send'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/base.rb:338:in
> `execute'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/template_handlers/compilable.rb:29:in
> `send'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/template_handlers/compilable.rb:29:in
> `render'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/template.rb:35:in
> `render'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/template.rb:22:in
> `render_template'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/base.rb:245:in
> `render_file'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:1108:in
> `render_for_file'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:865:in
> `render_with_no_layout'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:880:in
> `render_with_no_layout'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/layout.rb:251:in
> `render_without_benchmark'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/benchmarking.rb:51:in
> `render'
> /usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/core_ext/benchmark.rb:8:in
> `realtime'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/benchmarking.rb:51:in
> `render'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:131:in
> `send'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:131:in
> `custom'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:160:in
> `call'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:160:in
> `respond'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:154:in
> `each'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:154:in
> `respond'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:107:in
> `respond_to'
> app/controllers/news_controller.rb:22:in `index'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:1162:in
> `send'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:1162:in
> `perform_action_without_filters'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/filters.rb:580:in
> `call_filters'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/filters.rb:573:in
> `perform_action_without_benchmark'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/benchmarking.rb:68:in
> `perform_action_without_rescue'
> /usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/benchmarking.rb:68:in
> `perform_action_without_rescue'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/rescue.rb:201:in
> `perform_action_without_caching'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/caching/sql_cache.rb:13:in
> `perform_action'
> /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/active_record/connection_adapters/abstract/query_cache.rb:33:in
> `cache'
> /usr/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/active_record/query_cache.rb:8:in
> `cache'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/caching/sql_cache.rb:12:in
> `perform_action'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:529:in
> `send'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:529:in
> `process_without_filters'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/filters.rb:569:in
> `process_without_session_management_support'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/session_management.rb:130:in
> `process'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:389:in
> `process'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:149:in
> `handle_request'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:107:in
> `dispatch'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:104:in
> `synchronize'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:104:in
> `dispatch'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:120:in
> `dispatch_cgi'
> /usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:35:in
> `dispatch'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/rails.rb:76:in
> `process'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/rails.rb:74:in
> `synchronize'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/rails.rb:74:in
> `process'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:159:in
> `process_client'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in
> `each'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in
> `process_client'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
> `run'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
> `initialize'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
> `new'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
> `run'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in
> `initialize'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in
> `new'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in
> `run'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:282:in
> `run'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:281:in
> `each'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:281:in
> `run'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:128:in
> `run'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/command.rb:212:in
> `run'
> /usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:281
> /usr/local/bin/mongrel_rails:19:in `load'
> /usr/local/bin/mongrel_rails:19
>
> Rendering /var/www/web/htdocs/releases/20090612181632/public/500.html
> (500 Internal Server Error)
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>

[Rails] Re: Application doesn't work on two different machines

2009-07-03T08:54:00.000-07:00

Yes:
ActionView::TemplateError (undefined local variable or method `filename'
for #<News:0x40f5a7a4>) on line #8 of news/index.html.erb:
5: </tr>
6: <tr>
7: <td class="news_table_pic">
8: <%= image_tag(news.public_filename) %><br>
9: Erstellt am <%= news.created_at.strftime("%d.%m.%Y") %><br>
10: von <%=h news.author %>
11: </td>

/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/active_record/attribute_methods.rb:256:in
`method_missing'
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:233:in
`thumbnail_name_for'
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
`full_filename'
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:43:in
`public_filename'
app/views/news/index.html.erb:8:in
`_run_erb_47app47views47news47index46html46erb'
app/views/news/index.html.erb:1:in `each'
app/views/news/index.html.erb:1:in
`_run_erb_47app47views47news47index46html46erb'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/base.rb:338:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/base.rb:338:in
`execute'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/template_handlers/compilable.rb:29:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/template_handlers/compilable.rb:29:in
`render'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/template.rb:35:in
`render'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/template.rb:22:in
`render_template'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_view/base.rb:245:in
`render_file'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:1108:in
`render_for_file'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:865:in
`render_with_no_layout'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:880:in
`render_with_no_layout'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/layout.rb:251:in
`render_without_benchmark'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/benchmarking.rb:51:in
`render'
/usr/local/lib/ruby/gems/1.8/gems/activesupport-2.1.0/lib/active_support/core_ext/benchmark.rb:8:in
`realtime'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/benchmarking.rb:51:in
`render'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:131:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:131:in
`custom'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:160:in
`call'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:160:in
`respond'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:154:in
`each'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:154:in
`respond'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/mime_responds.rb:107:in
`respond_to'
app/controllers/news_controller.rb:22:in `index'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:1162:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:1162:in
`perform_action_without_filters'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/filters.rb:580:in
`call_filters'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/filters.rb:573:in
`perform_action_without_benchmark'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/benchmarking.rb:68:in
`perform_action_without_rescue'
/usr/local/lib/ruby/1.8/benchmark.rb:293:in `measure'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/benchmarking.rb:68:in
`perform_action_without_rescue'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/rescue.rb:201:in
`perform_action_without_caching'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/caching/sql_cache.rb:13:in
`perform_action'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/active_record/connection_adapters/abstract/query_cache.rb:33:in
`cache'
/usr/local/lib/ruby/gems/1.8/gems/activerecord-2.1.0/lib/active_record/query_cache.rb:8:in
`cache'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/caching/sql_cache.rb:12:in
`perform_action'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:529:in
`send'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:529:in
`process_without_filters'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/filters.rb:569:in
`process_without_session_management_support'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/session_management.rb:130:in
`process'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/base.rb:389:in
`process'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:149:in
`handle_request'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:107:in
`dispatch'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:104:in
`synchronize'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:104:in
`dispatch'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:120:in
`dispatch_cgi'
/usr/local/lib/ruby/gems/1.8/gems/actionpack-2.1.0/lib/action_controller/dispatcher.rb:35:in
`dispatch'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/rails.rb:76:in
`process'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/rails.rb:74:in
`synchronize'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/rails.rb:74:in
`process'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:159:in
`process_client'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in
`each'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in
`process_client'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
`run'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
`initialize'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
`new'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
`run'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in
`initialize'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in
`new'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in
`run'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:282:in
`run'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:281:in
`each'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:281:in
`run'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:128:in
`run'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/command.rb:212:in
`run'
/usr/local/lib/ruby/gems/1.8/gems/mongrel-1.1.5/bin/mongrel_rails:281
/usr/local/bin/mongrel_rails:19:in `load'
/usr/local/bin/mongrel_rails:19

Rendering /var/www/web/htdocs/releases/20090612181632/public/500.html
(500 Internal Server Error)
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[Rails] JavaScript validation

2009-07-03T08:47:00.001-07:00

Hi Folks,

I'm relatively new to Rails, but am very enamored with it for the most
part so far. I have a contacts page where the User enters his/her
personal information. I'm using the server-side validates_presence_of,
and downloaded a plugin that allows me to validate_date_time. I would
like to do some javascript client-side validation, and wonder what the
ROR approach is to this, as it's bound to be different (probably much
nicer) than what I have done in the past. I thought this would show up
immediately googling, but haven't found exactly what I was hoping for.

Thanks, Rob
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Posted via http://www.ruby-forum.com/.

[Rails] Re: Application doesn't work on two different machines

2009-07-03T08:41:00.000-07:00

Putting aside the RMagick issue (can't really help you there), do you
have the full error trace for:

ActionView::TemplateError (undefined local variable or method
`filename'
for #<News:0x41105540>) on line #8 of news/index.html.erb:

On Jul 3, 11:26 am, Heinz Strunk <rails-mailing-l...@andreas-s.net>
wrote:
> Nicholas Henry wrote:
> > 1. I wouldn't have thought the RMagick version would have mattered,
> > can you confirm the attachment_fu is being deploy to your production
> > environment?
>
> attachment_fu is inside the plugins folder so should be alright=> 2. Perhaps try upgrading imagemagick first before installing rmagick.
>
> i updated imagemagick by compiling and installing it manually but now i
> get this error message
>
> > Cheers,
> > Nicholas
>
> > On Jul 2, 10:56 am, Heinz Strunk <rails-mailing-l...@andreas-s.net>
>
> --
> Posted viahttp://www.ruby-forum.com/.
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[Rails] Re: Application doesn't work on two different machines

2009-07-03T08:26:00.000-07:00

Nicholas Henry wrote:
> 1. I wouldn't have thought the RMagick version would have mattered,
> can you confirm the attachment_fu is being deploy to your production
> environment?
attachment_fu is inside the plugins folder so should be alright=
> 2. Perhaps try upgrading imagemagick first before installing rmagick.
i updated imagemagick by compiling and installing it manually but now i
get this error message
> Cheers,
> Nicholas
>
>
> On Jul 2, 10:56�am, Heinz Strunk <rails-mailing-l...@andreas-s.net>

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