tiimgreen/github-cheat-sheet
Git Magic
Ric Roberts: Ruby on Rails developer, Manchester, UK | Getting to grips with git (Part 1)
Ric Roberts: Ruby on Rails developer, Manchester, UK | Getting to grips with git - Part 2: Branches and Tags
Rails on Oracle: Part 1 - Installing the oracle instant client on Mac OS X - Pixellated Visions
8 (new) steps for fixing other people's code
Git - SVN Crash Course