Sign in through GitHub

Please read for an updated status on RailsCasts:

Learn more or hide this

Applied Filters: Free Episodes xRails 3.0 x
Upgrading to Rails 3 Part 2
Episode #226Aug 09, 201026 comments

Upgrading to Rails 3 Part 2

Here we continue upgrading an application to Rails 3 by getting our specs up and running and going through the rails_upgrade plugin. (12 minutes)
Upgrading to Rails 3 Part 1
Episode #225Aug 02, 201036 comments

Upgrading to Rails 3 Part 1

In the first part of this series on upgrading a Rails 2 application to Rails 3, we'll start off by setting up Rails 3.0 Release Candidate in a clean environment. The rails_upgrade plugin will then help us determine what needs upgrading. (11 minutes)
Controllers in Rails 3
Episode #224Jul 26, 201017 comments

Controllers in Rails 3

Embedded flash notices, permanent cookies, and the details of respond_with are in this episode. (10 minutes)
Rack in Rails 3
Episode #222Jul 12, 20105 comments

Rack in Rails 3

The router in Rails 3 is fully compatible with Rack. Learn how to embed Sinatra into an app, handle redirects, and improve on Rails Metal. (8 minutes)
Subdomains in Rails 3
Episode #221Jul 05, 201062 comments

Subdomains in Rails 3

It is now possible to add subdomains to Rails 3 without the use of additional plugins. Learn how in this episode. (13 minutes)
Active Model
Episode #219Jun 21, 201031 comments

Active Model

In Rails 3 the non-database functionality of Active Record is extracted out into Active Model. This allows you to cleanly add validations and other features to tableless models. (6 minutes)
Making Generators in Rails 3
Episode #218Jun 14, 201011 comments

Making Generators in Rails 3

Generators in Rails 3 have been rewritten to use Thor which means the code used to create a generator is quite different. Here you will learn the new way to make generators in Rails 3. (10 minutes)
Generators in Rails 3
Episode #216May 31, 201018 comments

Generators in Rails 3

Generators in Rails 3 have been completely rewritten to be more modular. This allows you to customize any generator to fit your specific preferences. (11 minutes)
Advanced Queries in Rails 3
Episode #215May 24, 201021 comments

Advanced Queries in Rails 3

Learn some advanced techniques regarding named scopes and get an introduction to Arel in this episode. (9 minutes)
Refactoring & Dynamic Delegator
Episode #212May 03, 201023 comments

Refactoring & Dynamic Delegator

Learn how to refactor a set of conditional Active Record queries using a Dynamic Delegator. (7 minutes)