Dave Pirotte questions

Dave Pirotte answers

• Is there a clean approach to implement acts_as_commentable in a Rails application?
• Add foreign key constraints to existing tables in Ruby on Rails (MySQL)
• Where to put model search logic in a Rails application?
• Randomizing array elements
• How to prevent Rake test to call task db:test:prepare
• Behaviour of Array bang methods
• Simply returning success or failure from ajax call in rails
• Using helpers in rails 3 to output html
• Rails 3 - time_ago_in_words says "ABOUT 2 hours ago"
• How on earth is this rails query working?