Ruby Pocket Reference (pdf)

Description

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