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Objects - Structure of Ruby objects | Ruby Hacking Guide
Speeding up Ruby with Shared Strings | Tenderlove Making
Introduction to Ruby
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An Introduction to Ruby classes and objects - Remi Mercier
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ruby on rails - Multiline string in HAML - Stack Overflow
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Active Record Query Interface — Ruby on Rails Guides
Ruby Strings | Defining and Initialize Strings in Ruby (Examples)
Metaprogramming: Writing in Ruby with... Ruby | Toptal®
Comprehensive Ruby Programming
Parse a String Based Date and Convert it Into a Ruby Date Object
Ruby Symbols | Ruby to Rails: Small Steps
Ruby Unsafe Reflection Vulnerabilities
