Andy Lindeman questions

Andy Lindeman answers

• How can I go about diagnosing a poor performing Rails application running on mysql?
• Are `return` and `break` useless inside a Ruby block when used as a callback?
• Rails How to pass params from controller to after_save inside model
• Maintaining Session with Capybara and Rails 3
• Ruby on Rails Devise, how to change signin path when authentication fails?
• Ruby: PUT Request with JSON body?
• How to work with Git branches and Rails migrations
• How to convert a ruby integer into a symbol
• setting up ssl on devise
• Sinatra: run ruby code when a URL is hit