I was surprised at how minimal the code actually is. Here are the steps:

http://blog.ragingstudios.com/blog/2012/10/24/absolutely-dead-simple-login-system-for-rails-with-omniauth-and-facebook/

I just posted two new blog posts covering some useful git actions:

Using git to tag deploys and then using the "--contains" switch to determine the exact time & date a certain feature went live: http://blog.ragingstudios.com/2011/06/05/when-did-this-feature-go-live/

..and a collection of useful git commands and workflows, including Diffing Diff's, common ancestors of commits or branches, recommitting a commit, viewing a file in another branch without actually checking it out - and more: http://blog.ragingstudios.com/2011/06/05/i-heart-git/

A small post providing a semantic replacement for array.first when you only expect it to contain one item.

“simple-useragent” gem - provides the ability to for cleaner browser specific CSS targeting*. For example, instead of the targeting IE7 with a CSS hack such as: *:first-child+html #content {height: 500px;} /* IE7 */ - you can now do this: .ie7 #content {height: 500px;}