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Routing Walkthrough Part 1
Episode #231 – Sep 13, 2010 – 64 comments

Routing Walkthrough Part 1

How does routing work internally in Rails 3? In this episode I'll walk you through the Rails code that makes routing possible. (13 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)
Rails 3 Beta and RVM
Episode #200 – Feb 08, 2010 – 114 comments

Rails 3 Beta and RVM

Get started with Rails 3.0 Beta and install Ruby 1.9.1 using RVM: Ruby Version Manager. Stay tuned to the end for a challenge on giving back to open source. (8 minutes)
Upgrading to Rails 3 Part 3
Episode #227 – Aug 16, 2010 – 34 comments

Upgrading to Rails 3 Part 3

Here we finish up this upgrade series by removing all deprecation warnings and fixing some problems in the view. (9 minutes)
Bundler
Episode #201 – Feb 15, 2010 – 48 comments

Bundler

Bundler is the way to manage gem dependencies in Rails 3.0. Learn how to install gems and lock them down in this episode. (9 minutes)