Ruby and Software Development Lecture Notes
Covered topics are: Data Abstraction ,Understanding Inheritance, Introductory Ruby, Natural number ADT in Ruby, Background on design patterns, Inverted index program in Ruby, Simple expression recognizer in Ruby, Using Procs and lambdas, Classes and Objects, Domain Modeling.
Author(s): NA
NA Pages 
This page covers the following topics related to Ruby : The Fundamentals, Installation, Tweet Fetching, Style, Conventions, and Debugging, Numbers, Strings, Variables, Methods, RubyGems, If and Else, Loops, Collections, Enumerables, File input/output, Reviewing Tweet Fetching, Supplementals, Design and Theory, The Projects.
Author(s): ruby.bastardsbook.com
NA Pages
Ruby Programming by Wikibooks.org
This book is currently broken down into several sections and is intended to be read sequentially. Topics covered includes: Notation conventions, Basic Ruby, Ruby Semantic reference, Built in Classes, Standard Library.
Author(s): Wikibooks.org
NA Pages
