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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)
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)
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)
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)
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)
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)
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)
Action Mailer in Rails 3
Action Mailer has been rewritten for Rails 3 providing a much cleaner API with its use of the Mail gem.
(12 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)
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)