Ruby Tutorial
Ruby: Misc. Index
By Xah Lee. Date:
2026-08-25
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Ruby: Call Shell Command
Ruby: Variable Name Conventions
Ruby: Complex Numbers
Intro to Reading Ruby Doc: What's M, C, ::, # ?
Ruby: List of Predefined Global Variables
Ruby: What's RVM, Gem, Rake, Bundler, RDoc, ri, irb?
Ruby Tutorial
Print
Print
Comment
String
Quote String
Types
Value Types
Type Conversion
List Object Methods
List All Classes
Variable
Variable
Boolean
True, False
Branching
If Then Else
Case
Loop, Iteration
Loop
Loop thru Array
Map f to Array
Data Structure
Array
Hash Table
Function
Define Function
Class
Class
Module
Module
Misc
Misc. Index