An introduction to GitHub, which includes how to create new repositories, set up your account, push and pull, clone and send pull requests.
This screencast walks you through the creation and deployment of a Rails app that integrates with the Shopify API. Thanks to the help of the shopify_app plugin and the Heroku deployment platform, the entire process takes about 8 minutes (including explanations along the way).
Git has been getting a lot of buzz lately, and for good reason. It's an excellent SCM which in many ways is more simple and powerful than subversion. See how to set up a Rails project with Git in this episode.
Rails 2.1 Release Candidate 1 was just released! In this episode I will show you how to install it into your Rails project.
If you want Rails to behave a certain way, try changing it and submitting a patch. This episode will show how to do exactly this using Git.