Episode #297 - August 14, 2012
http://ruby5.envylabs.com/episodes/301-episode-297-august-14-2012
Ruby on Rails version 3.2.8 has been released
http://weblog.rubyonrails.org/2012/8/9/ann-rails-3-2-8-has-been-released/
Get your CoreLocation with Lost and Found
Bitwise operations in Ruby, and an example application to testing with Rspec
http://vitobotta.com/applying-bitwise-operations-to-rspec-testing/