The goal of this article is to feature a list of tips and changes you can already introduce in your Rails 2 application to anticipate the migration and make your code more compatible with Rails 3.

How to upgrade your JavaScript codebase from Rails 2 to Rails 3 unobtrusive JavaScript, with real jQuery examples included.

Introductory article about Unobtrusive JavaScript technique, featuring the usage of JavaScript frameworks and HTML 5.

This one hour screencast is a live example of upgrading a real-world application from Rails 2.3 to Rails 3.

Public Suffix Service is a Ruby domain name parser based on the Public Suffix List.