The following code activates autoloading using ActiveSupport 3.x: require 'active_support' require 'active_support/dependencies' relative_load_paths = %w[app/controllers...
Geoffrey Grosenbach has created Gruff for easily plotting graphs. It is written in pure Ruby and integrates with Rails applications...
Consider the following HTML & CSS: ^ img { background-color: red; } div { border: 1px solid black; } This will leave a margin of...
Localizing a non-trivial application can be a huge undertaking. This card will give you an overview over the many...
There is now a solution.
Using beginning_of_day or end_of_day on Date or DateTime objects in Rails 2.x applications will never...
Today, this line made me trouble. Can you spot the mistake? match 'sitemap.xml' => 'feeds#sitemap', :constraints => { :format => 'xml' }, :as => 'sitemap...
Slides presenting ways to integrate the ideas of Aspect-Oriented Programming in Ruby. Outline Why Aspect-Oriented Programming?
If you get an error like this ... can’t find executable rails for rails-3.2.3 (Gem::Exception) ... one of several...
How to call routes, make requests and try out helpers from the Rails console.
I got these warnings while deploying a Rails 3.2 app with asset pipeline enabled: *** [err :: host.tld] find: `/opt/www/hollyapp.com/releases/20120503115342/public/images': No such...
A small library to provide the Rails I18n translations in Javascript clients.
An association defined with has_many :through will return the same record multiple times if multiple join models for the...
After installing Bundler 1.1 you will get the following warning when running tests: WARNING: Cucumber-rails required outside of env.rb...
This card needs to be updated for Rails 3+. Since there is no --debugger flag you need to run:
You won't usually have to do this. It's OK to route all formats to a controller, and let...
This will give you the string that appears most often in an array: names = %w[ foo foo bar bar bar...
When you regularly make use of Cucumber's "show me the page" step (or let pages pop up as errors...
Nice article to educate your non-geek girlfriend/boyfriend about the joys of programming.
Pour color on your Rails console with awesome_print. Turn confusing long strings into formatted output. Have objects and classes...
Install libreadline: sudo apt-get install libreadline-dev Reinstall the ruby and tell rvm where to find readline
This only applies to RSpec below version 1.3.2. The issue has been fixed in RSpec 1.3.2, and most likely RSpec...
Let's say you need to revert a migration that happened a while back. You'd create a new migration...
Delegating methods to other objects is often helpful but the syntax of both def_delegators and def_delegator is a...