Ruby by Example

By Xah Lee. Date: . Last updated: .
💎
There is a gem called Ruby.
Shiny and pretty.
Objectively beautiful,
Functionally magical.
Make Rails of web happy.
Ruby logo

This is a example-based ruby tutorial for beginners. Examples are based on Ruby 2.1.

  1. Ruby Basics
  2. Doc Lookup
  3. Print Version String
  4. What's RVM, Gem, Rake, Bundler, RDoc, ri, irb?
  1. Unicode 💎
  2. Quote String
  3. Quote Long String
  4. Format String
  5. String Operations
  6. True, False
  7. “if then else”
  8. for, while, Loop
  9. List
  10. Loop Thru List
  11. Hash Table
  12. Function Optional Parameter
  13. Map f to List
  14. Complex Numbers
  1. Intro to Reading Ruby Doc: What's M, C, ::, # ?
  2. Predefined Global Variables

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