Ruby用例

1. 逆引きRuby
2. why’s (poignant) guide to ruby
   
   • Learning to Program
     • A very basic, ground-level tutorial for the beginner to Ruby. By Chris Pine.
   • Programming Ruby
     • The original tome and complete reference for Ruby. By Dave Thomas and Andy Hunt (also known as The Pickaxe)
   • A Little Ruby, A Lot of Objects
     • Lovely little in-progress work to teach Ruby purely with simple code examples. By Brian Marick.
   • Ruby User’s Guide
     • A guide to learning Ruby (with code examples). By Matz, the creator of Ruby. Translated into English.