There is an ApplicationHelper in an engine we're using that looks like this: module ApplicationHelper def page_title() # ... end end This gets called by a number of views in the engine. I'd like to override this method in my application to provide a different default title. How do I do this? Simply defining my own ApplicationH...
I've put all of my user-authentication code in one place, namely lib/auth.rb. It looks like this: lib/auth.rb module Admin def do_i_have_permission_to?(permission) # Code to check all of this goes here end end I include this module as part of the application helper, so these functions are available in all the views: appli...
I am used to use the helper methods link_to_remote and friends to create links or buttons that will send Ajax request under the hood and update some data of the webpage. I have some which background images are buttons. I want them to send Ajax request to my rails server. I guess a javascript onClick + sending Ajax request should do t...
Given a model that has validations in the model_name.rb file, how can I access those validations manually? I'd like to cook up my own form validation system that would work alongside the built-in Rails tricks and I want to keep everything as DRY as possible. My main problem is that I need to make server-side validations before any of the...
Hello, I have a model, Feed, that has and belongs to many FilteredUsers. In this case I have implemented it through a has_many :through relationship. class Feed < ActiveRecord::Base has_many :denials, :dependent => :destroy has_many :filtered_users, :through => :denials I would like to create a record if it doesn't exist or find t...
I have a data model in my Rails project that has a serialized field: class Widget < ActiveRecord::Base serialize :options end The options field can have variable data info. For example, here is the options field for one record from the fixtures file: options: query_id: 2 axis_y: 'percent' axis_x: 'text' units: '...
I have form in views/users/show.html.erb <% form_for [@user,Wall.new] do |f| %> <%= f.error_messages %> <p> <%= f.label :message %><br /> <%= f.text_area :message,:rows=>4 %> </p> <%= f.hidden_field :sender_id,:value=>current_user.id %> <p><%= f.submit "Submit" %></p> <% end %> and I have this validation method in Models/wall.rb vali...
I would like to limit the size of the stack traces I am seeing in Rails. I'm not really interested in debugging the Rails stack as much as my own application. Is there any built-in way to have Rails do this dynamically? ...
I'm using the following code as a link to delete a todo in a simple todo list application I'm making: <%= link_to_remote 'delete', {:url => complete_todo, :confirm => 'Are you sure?', :method => :delete}, { :href => url_for(complete_todo), :method => :delete } %> It works fine when JavaScript is enabled, but when it's disabled it make...
Hi, Total noob question. Would greatly appreciate any pointers. I have a rails model that includes 2 possible values for a concept, e.g., distance (a value from a GPS file and an edited value). It's possible to have a value in either column (just file or just manual), both (manual overwrites file in this case), or neither: distance-f...
Hi All, I have a rails app that has asynchronous processing, and I'm having trouble getting it to work in production mode. i start starling from the root of the application like so: starling -d -P tmp/pids/starling.pid -q log/ then i start workling like this ./script/workling_client start -t the first time i ran this, it complain...
Pretend I have a model, Post which has_many :comments. How can I only display posts that have comments? I am somewhat comfortable with named_scope but I don't know how I can put Post.comments (or self.comments) in the :conditions hash which expects symbols. class Post < ActiveRecord::Base has_many :comments named_scope :with...
Hi, I am using Pommo for my mailing list, unfortunatelly Pommo doesn't provide an HTTP API but provides and embedable subscription form I can put on my site. But posting using that form takes me out of my site and that is unacceptable for me. So I want to do the field validation in Rails and then use curl to post the values. The fields...
I need to create documentation for my rails models. I can't figure out how to get the Rake doc:x commands to include the validators and relationships. I'm using annotate_models to document the table structure. It would be great if there were something like RailRoad that worked with 2.3.x series as well. ...
Using Ruby on Rails, I have created a blog. The blog has posts, and comments associated with each post. I want to add a name field to the comment controller (or model, not sure), so that the commenter is identified. Since right now it's just a comment that's being added. The name field should be stored in the database. What is the b...
hi all I have a product model that has many sections and a section can belong to many products. The section model has subclasses as features, standardAccessories and OptionalAccessories in a STI. Each having field title, body, image url and (optionalAccessories) has price. my models are class Product < ActiveRecord::Base has_and...
One of the things I like about Netbeans Ruby development is keyboard triggers. For example, if you are in an erb template and you type: licai After you hit the tab key, this text gets replaced with: <%= link_to "${1 default="link text..."}", :controller => "${2 default="items"}", :action => "${3 default="edit"}", :id => ${4 defau...
I'm using slimbox2 with rails. To make it work you include some markup as follows: <a href="resources/images/weight1.jpg" rel="lightbox-a" title="Beautiful, isn't it?">a</a> <a href="resources/images/example.jpg" rel="lightbox-a" title="Beautiful, isn't it?">a</a> So I'm wondering, how do you grab the location of the image to place ...
I am trying to write some functional tests in my rails app, and in the application_controller.rb I have this: before_filter :current_account def current_account @current_account ||= Account.find_by_subdomain!(request.subdomians.first) end When running tests, request.subdomains doesn't contain the valid subdomains I'm looking for and...
After following http://kenai.com/projects/jruby/pages/JrubyOnRailsOnTomcat#Rails_2.0 though with tomcat 5.5, jruby 1.3.0, rails 2.3.2 tomcat gives: SEVERE: unable to create shared application instance org.jruby.rack.RackInitializationException: Please install the jdbc adapter: gem install activerecord-jdbc-adapter (no such file to load...