I was thinking that at the top of my partial I would have something like this <% optional_width = default_value unless (defined? optional_width) But I've had inconsistent results with this, I'm thinking this is not a good way to do this. What is the "correct" way to do this in rails? ...
Starting with no cache on server or client FIRST REQUEST GET /post/1 HTTP/1.1 HTTP/1.1 200 OK Date: Fri, 05 Mar 2010 09:05:46 GMT Last-Modified: Thu, 04 Mar 2010 21:00:08 GMT X-Rack-Cache: miss Etag: "c226165d5817af7c91592dab0bc0ac63" Cache-Control: max-age=3600, public The Cache is missed and Rails gets hit and queries the database...
When using the delegation feature of Ruby in Models: class A def foo ... end def foo=(arg) ... end end class B < A belongs_to :a delegate :foo, :foo=, :to => :a end How can I force B to save A after setting b.foo="what_ever"? Oh and a.save should be called only if b.save is called and b.foo= was used - just ...
I'm looking to make a show action of one of my controllers the root. I can easily do this: map.root :controller => 'articles', :action => 'index' When I go to localhost:3000/ it lists all the articles - that's great! What I want to achieve, though, is a URL like this localhost:3000/1 To display an article with the id 1. Changing th...
I'd like to 'fake' a 404 page in rails. In PHP, I would just send a header with the error code as such: header("HTTP/1.0 404 Not Found"); How is that done with rails? Thank you. ...
Let say I would like to set nested style for development and compressed for production. There is only one option in Compass configuration file: output_style = :compact # or :nested, :expanded, :compressed ...
Im having a hard time trying to figure out how to load a session by its id. I don't want the current_user session, I need to load another one (mostly because flash doesnt share sessions with the browser). So I'm passing the session_id forward with the parameters, how do I get the session in the other side? Authlogic is redirecting me to ...
Hello. I hava a form (form_remote_tag) that updates a comments section. The form is in the bottom. I would like to keep the page scrolled to the bottom so the text box is always visible. How can I achieve this? Thanks ...
Up to the end of December 2009 everything worked fine, so i assume that after some upgrades on servers (Ubuntu 8.10 and second Ubuntu 9.10) something stopped working. Model: class Product < ActiveRecord::Base belongs_to :category file_column :thumbnail, :magick => { :geometry => "150x100>" } there is of course table 'products' in d...
How can in controller redirect with post same data like this do form <form action="http://example.com/" method="POST"> <input type="hidden" name="q" value="a"> </form> I can't use redirect_to, because there is no support post data. ...
Background: I have an application with athletes, each of these athletes (Athlete model) can be assigned workouts (Workout model, workout_assignment through model). Problem: At first I thought that using a through connection with athletes having many workouts through workout_assignment and workouts having many athletes through workout_as...
I have a class Bar that has a user-defined list of config keys and values, defined like this: class Bar < ActiveRecord::Base has_many :config_keys, :through => Foo has_many :config_values end So the available config keys come from the Foo class and the values for those come from the Bar class. I'm creating a form for this Bar...
On my web host's system, installing and using gems seems to require installing my own copy of ruby. With their help on a forum, I've gotten that done. I'm trying to use a particular gem (called Image Science) in a Rails app. At this point, if I open irb and type the following, this is what I get: require 'rubygems' #true require 'image...
My deployment of a rails app with capistrano is failing and I hoping someone can provide me with pointers to troubleshoot. The following is the command output andrew@melb-web:~/projects/rails/guestbook2$ cap deploy:setup * executing `deploy:setup' * executing "mkdir -p /var/www/dev/guestbook2 /var/www/dev/guestbook2/releases ...
Let's say that I'm looking for a specific item in a has_many association. Is there a way to find that won't rehit the database if what I'm requesting is already cached? Here's my situation (which is not working and does not do what I requested): class User has_many :friendships def some_function(buddy) f = friendships.detect{...
What did I do :)? In rails form has f.error_messages alwais empty. How can I fix/check this? Thx ...
I'm trying to learn how to use cucumber and got this issue: I have a form that as: <p> <%= f.label :name, "Nome" %><br /> <%= f.text_field :name %> </p> And in my cucumber feature I have: And I fill in "name" with "Reitoria do Porto" This make the test fail with: And I fill in "name" with "Reitoria do Porto" ...
Hi folks, this time it's about Ruby On Rails. I have a form in the view "progress.html.erb" and an action called "progress". When the form is sent, the action "progress" is called again. This must be like that, because I'm asking the user several questions by an automatic system. Then, when the questioning is finished and the user is ...
Hi! I'm trying to create a dynamic interface. Where my model classes exist and my controllers are dynamically created when launching the application. Everything happens in my routes file where the resources are created! ActionController::Routing::Routes.draw do |map| map.namespace :admin do |admin| TestAdmin.models.each do |m| ...
Trying to understand Ruby a bit better, I ran into this code surfing the Internet: require 'rubygems' require 'activeresource' ActiveResource::Base.logger = Logger.new("#{File.dirname(__FILE__)}/events.log") class Event < ActiveResource::Base self.site = "http://localhost:3000" end events = Event.find(:all) puts events.map(&:name...