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Contributing to Rails with Git
Episode #113 – Jun 09, 2008 – 36 comments

Contributing to Rails with Git

If you want Rails to behave a certain way, try changing it and submitting a patch. This episode will show how to do exactly this using Git. (11 minutes)
ActiveRecord::Relation Walkthrough
Episode #239 – Nov 07, 2010 – 42 comments

ActiveRecord::Relation Walkthrough

The new Active Record query methods in Rails 3 might seem like magic at first. But in this episode I unravel how it works by browsing the Rails 3 source code. (11 minutes)
Making a Gem
Episode #135 – Nov 10, 2008 – 46 comments

Making a Gem

Want to create a Ruby Gem instead of a Rails plugin? In this episode I will walk you through creating a gem to extend Rails. (9 minutes)