Ruby Pocket Reference 1st Edition by Michael James Fitzgerald ISBN 978-0596514815 0596514816

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Product details: 

ISBN 10:   0596514816

ISBN 13: 978-0596514815

Author: Michael James Fitzgerald

Although Ruby is an easy language to learn, in the heat of action you may find that you can’t remember the correct syntax for a conditional or the name of a method. This handy pocket reference offers brief yet clear explanations of Ruby’s core components, from operators to reserved words to data structures to method syntax, highlighting those key features that you’ll likely use every day when coding Ruby.

Whether you’ve come to Ruby because of the Rails web development framework –Ruby’s killer app — or simply because it’s a relatively clean, powerful and expressive language that’s useful for a lot of applications, the Ruby Pocket Reference is organized to help you find what you need quickly. This book not only will get you up to speed on how Ruby works, it provides you with a handy reference you can use anywhere, anytime.

In this book, you find essential information on:
Reserved words, operators, comments, numbers, variables, ranges, and symbols
Predefined variables andglobal constants
Conditional statements, method use, classes, and modules (mixins)
Lists of methods from the Object, String, Array, and Hash classes and the Kernel module
sprintf andtime formatting directories
Interactive Ruby (irb) and the Ruby debugger
Ruby documentation
You also get information on the RubyGems package utility and Rake, a build tool similar to make.. If you’re using Ruby daily and just want the facts-fast-Ruby Pocket Reference is your book.

Table of contents: 

Running Ruby

• Running the Ruby Interpreter

• Using a Shebang Line on Unix/Linux

• Associating File Types on Windows

• Reserved Words

• Operators

• Comments

• Numbers

• Variables

  • Local Variables

  • Instance Variables

  • Class Variables

  • Global Variables

  • Constants

  • Parallel Assignment of Variables

  • Symbols

  • Predefined Variables

  • Pseudovariables

  • Global Constants

Ranges

• Methods

  • Parentheses

  • Return Values

  • Method Name Conventions

  • Default Arguments

  • Variable Arguments

  • Aliasing Methods

  • Blocks

  • Procedures

• Conditional Statements

  • The if Statement

  • The unless Statement

  • The while Statement

  • The until Statement

  • The case Statement

  • The for Loop

  • The Ternary Operator

  • Executing Code Before or After a Program

Classes

• Instance Variables

• Accessors

• Class Variables

• Class Methods

• Singletons

• Inheritance

• Public, Private, or Protected

• Modules and Mixins

Files

• Creating a New File

• Opening an Existing File

• ARGV and ARGF

• Renaming and Deleting Files

• File Inquiries

• File Modes and Ownership

• The 10 Class

Exception Handling

• The rescue and ensure Clauses

• The raise Method

• The catch and throw Methods

Object Class

• Object Instance Methods

• Kernel Module

String Class

• Expression Substitution

• General Delimited Strings

• Here Documents

• Escape Characters

• Character Encoding

• Regular Expressions

• String Methods

Array Class

• Creating Arrays

• Array Class Methods

• Array Instance Methods

Hash Class

• Creating Hashes

• Hash Class Methods

• Hash Instance Methods

Time Formatting Directives

Interactive Ruby (irb)

Ruby Debugger

Ruby Documentation

• RDoc Options

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Tags: Michael James Fitzgerald, Ruby Pocket Reference