Last week saw a security issue with rails 2.3 that required a fix. While an official patch was provided, the...
If you have a file that looks like a precompilation fingerprint, the Rails asset pipeline will not see it. So...
When using the asset pipeline your assets (images, javascripts, stylesheets, fonts) live in folders inside app: app/assets/fonts app/assets/images...
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