If you save a non-standard object (not a String or Fixnum, etc) like the AwesomeClass from your application in...
You most likely have a form element inside another form element. Don't do that. Ever. Firefox and Chrome will...
This is a bug in Rails 2.3.11 which will be fixed in a future maintenance release. Until then you can...
Our new scope-based authorization gem for Ruby on Rails has been released. This might one day replace Aegis as...
If you are using RVM on a Mac and cannot enter 8+ bit characters on an IRB or Rails console...
Reading a URL via GET: curl http://example.com/ Defining any HTTP method (like POST or PUT): curl http://example.com/users/1...
User.active.to_sql Rails 2 Use either the Edge Rider or fake_arel gem to get #to_sql backported...
It is common in Rails 3.0 applications that you want to provide default views for a group of controllers. Let...
Note: ActiveRecord::Base#becomes has a lot of quirks and inconsistent behavior. You probably want to use ActiveType.cast instead.
Artifice allows you to replace the Net::HTTP subsystem of Ruby with an equivalent that routes all requests to a...
There is a nasty bug in all version of Rails 2 and some versions of Rails 3.x where two...
Phillip Koebbe from Ruby on Rails suggested inserting following code between the "bootstrap" and "initialize" sections of enviroment.rb. This hack...
The information in this card is only relevant for Rails 2.3-era apps. This note gives a quick introduction into...
If you just upgraded to Bundler 10.0.10 you might get the following error when bringing up Rails: /usr/lib/ruby/1.9.1/psych.rb:148:in...
Note that you cannot currently use Ruby 1.9.2 with Rails 2 applications that use RSpec, so don't upgrade if...
Specify these gem versions in your Gemfile: gem 'cucumber', '~> 1.3.0' gem 'cucumber-rails', '= 0.3.2' # max version for Rails 2
Now allows to list transition paths from and to arbitrary states.
Add deprecation warnings and their solution or link to available solutions. Global access to Rake DSL methods is deprecated. Please...
If in your application your users pass along params that result in filenames, like invoices/generated?number=123. This could be...
When you need to insert many records into the same table, performance may become an issue. What you can do...
If you have the following deprecation warning after upgrading to rails >= 2.3.10 DEPRECATION WARNING: The :overwrite_params option is deprecated...
You will occasionally need to clean out your database while keeping the schema intact, e.g. when someone inserted data in...
Adds a slide out panel to your Rails application that directs clients to test stories that have been marked as...
When you set both a record's association and that association's foreign key attribute, Rails does not realize you...