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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)
Advanced Queries in Rails 3
Learn some advanced techniques regarding named scopes and get an introduction to Arel in this episode.
(9 minutes)
Validations in Rails 3
Rails 3 offers several new additions to validations. Here learn how to make a custom error_messages partial, reflect on validations, and clean up complex validations in a model.
(9 minutes)
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)
ERB Blocks in Rails 3
Blocks in ERB templates are handled differently in Rails 3.0 Beta 2. Learn all about it in this episode.
(9 minutes)
Refactoring & Dynamic Delegator
Learn how to refactor a set of conditional Active Record queries using a Dynamic Delegator.
(7 minutes)
Active Record Queries in Rails 3
Rails 3 introduces a new query interface for performing finds in Active Record. See how it works along with the changes in named scopes.
(10 minutes)
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)
XSS Protection in Rails 3
It is easy to be vulnerable to cross site scripting attacks in earlier versions of Rails, but Rails 3 solves this by automatically escaping unsafe input.
(8 minutes)
Routing in Rails 3
Rails 3 sports a new routing interface. In this episode I show how to translate the old interface into the new one and show off a few new features.
(13 minutes)