Ruby Pocket Reference. 2nd Edition - Helion

ebook

Autor: Michael Fitzgerald
ISBN: 978-14-919-2597-3
stron: 224, Format: ebook
Data wydania: 2015-08-10
Księgarnia: Helion

Cena książki: 46,74 zł (poprzednio: 54,99 zł)
Oszczędzasz: 15% (-8,25 zł)

Osoby, które kupiły tę książkę, wybierały także »

Tagi: Ruby - Programowanie

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

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Spis treści

Ruby Pocket Reference. 2nd Edition eBook -- spis treści

1. Ruby Pocket Reference
- Introduction
- Conventions Used in This Book
- Using Code Examples
- Safari Books Online
- How to Contact Us
- Acknowledgments
- Running Ruby
  - Running the Ruby Interpreter
- Interactive Ruby (irb)
  - Using a Shebang Comment on Unix/Linux
  - Associating File Types on Windows
- Rubys Keywords
- Rubys Operators
- Comments
- Numbers
- Variables
  - Local Variables
  - Instance Variables
  - Class Variables
  - Global Variables
  - Constants
  - Parallel Variable Assignment
- Symbols
- Predefined Global Variables
- Keyword Literals
- Global Constants
- Ranges
- Methods
  - Block Arguments
  - Return Values
  - Method Name Conventions
  - Default Arguments
  - Variable Arguments
  - Aliasing Methods
  - Blocks
    - The yield statement
  - Procs
- Conditional Statements
  - Flow Control
  - The if Statement
    - Negation
    - Multiple tests
    - Statement modifier for if
    - The else statement
    - The elsif statement
  - The unless Statement
    - Statement modifier for unless
  - The while Statement
    - Statement modifier for while
  - The until Statement
    - Statement modifier for until
  - The case Statement
  - The for Loop
  - The Conditional Operator
  - Executing Code Before or After a Program
- Classes
  - Reopening a Ruby Class
  - Instance Variables
  - Accessors
  - Class Variables
  - Class Methods
  - Singletons
  - Inheritance
    - Load path
  - Abstract Classes
  - Anonymous Classes
  - Public, Private, and 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 IO Class
- Exception Handling
  - The rescue and ensure Clauses
  - The raise Method
  - The catch and throw Methods
- BasicObject Class
  - BasicObject Public Instance Methods
- Object Class
  - Object Public Instance Methods
- Kernel Module
- String Class
  - String Literals
  - String Concatenation
  - Expression Substitution
  - General Delimited Strings
  - Here Documents
  - Escape Characters
  - Character Encoding
  - Regular Expressions
    - Regular Expression Reference Tables
      - Character classes
      - Anchors
      - Character shorthands
      - POSIX bracket expressions
      - Quantifiers
      - Character properties
      - Unicode character categories
      - Unicode scripts
      - Modifiers (options)
      - Special global variables
      - Encoding overrides
      - Extended groups
      - Back references
      - Subexpression calls
  - String Methods
    - Public class methods
    - Public instance methods
- Array Class
  - Creating Arrays
  - Array Class Methods
  - Array Instance Methods
- Hash Class
  - Creating Hashes
  - Hash Class Methods
  - Hash Instance Methods
- Time Formatting Directives
- Ruby Documentation
- RubyGems
- Rake
- Ruby Resources
Glossary
Index