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