Xah Ruby Tutorial

THIS TUTORIAL IS WORK IN PROGRESS. 2012-12-10 When robust, this paragraph will be removed.

This tutorial is concrete, example based. I assume you already know one scripting language (⁖ Perl, Python, PHP, JavaScript, Lisp) and familiar with basic unix shell commands. Examples are based on Ruby 1.9 on Linux.

Ruby

• How to Install Ruby; What's RVM, Gem, Rake, Bundler, RDoc, ri, irb?
• How to Install Ruby RVM

• Ruby Tutorial by Example
• Ruby: Documentation Lookup, Using Builtin Help System
• Ruby: Print Version String from Script

• Ruby Unicode Tutorial 💎
• Ruby: Quoting Long String and Heredoc
• Ruby: Quoting Strings
• Ruby: Formatting String
• Ruby String Operations
• Ruby: True ＆ False
• Ruby: “if then else” Example
• Ruby: for, while, Loop Examples
• Ruby: List Basics
• Ruby: Loop Thru List
• Ruby: Hash Table (Key/Value List)
• Ruby: Function with Optional Parameter, Named Parameter, Infinite Parameters
• Ruby: Map Function to List
• Ruby: Complex Numbers

• Intro to Reading Ruby Doc: What's M, C, ::, # ?
• Ruby: List of Predefined Global Variables

Ruby on Rails

You should know the basics of Ruby language first.

• Ruby on Rails Install and Intro
• Ruby on Rails Basic Tutorial

Reference

Ruby References Intro

Misc

• Ruby: Misc Notes
• Ruby: Problem Installing mysql2 rmagick?
• Ruby Version Release Dates