03-05 [Awesome Ruby Gem] Use ahoy_matey gem to track visits and events in Ruby, JavaScript, and native apps
06-06 [Ruby on Rails (RoR)] Using ActiveRecord::CounterCache::ClassMethods to Prevent Race Conditions
02-01 [Awesome Ruby Gem] Use amazing_print or awesome_print gem to print Ruby objects in full color exposing their internal structure with proper indentation