Librería Portfolio

Updated for Ruby 2.2, this handy reference offers brief yet clear explanations of Ruby's core elements-from operators to blocks to documentation creation-and highlights the key features you may work with every day. Need to know the correct syntax for a conditional? Forgot the name of that String method? This book is organized to help you find the facts fast.

Ruby Pocket Reference, 2nd Edition is ideal for experienced programmers who are new to Ruby. Whether you've come to Ruby because of Rails, or you want to take advantage of this clean, powerful, and expressive language for other applications, this reference will help you easily pinpoint the information you need.

You'll find detailed reference material for:

Keywords, operators, comments, numbers, and symbols
Variables, pre-defined global variables, and regular expressions
Conditional statements, method use, classes, and exception handling
Methods for the BasicObject, Object, Kernel, String, Array, and Hash classes
Time formatting directives
New syntax since Ruby 1.9



Chapter 1Ruby Pocket Reference
Introduction
Conventions Used in This Book
Using Code Examples
Safari® Books Online
How to Contact Us
Acknowledgments
Running Ruby
Interactive Ruby (irb)
Ruby's Keywords
Ruby's Operators
Comments
Numbers
Variables
Symbols
Predefined Global Variables
Keyword Literals
Global Constants
Ranges
Methods
Conditional Statements
Classes
Files
The IO Class
Exception Handling
BasicObject Class
Object Class
Kernel Module
String Class
Array Class
Hash Class
Time Formatting Directives
Ruby Documentation
RubyGems
Rake
Ruby Resources