Learning Ruby The Language that Powers Rails

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You don't have to know everything about a car to drive one, and you don't need to know everything about Ruby to start programming with it. Written for both experienced and new programmers alike, Learning Ruby is a just-get-in-and-drive book -- a hands-on tutorial that offers lots of Ruby programs and lets you know how and why they work, just enough to get you rolling down the road. Interest in Ruby stems from the popularity of Rails, the web development framework that's attracting new devotees and refugees from Java and PHP. But there are plenty of other uses for this versatile language. The best way to learn is to just try the code! You'll find examples on nearly every page of this book that you can imitate and hack. Briefly, this book: Outlines many of the most important features of Ruby Demonstrates how to use conditionals, and how to manipulate strings in Ruby. Includes a section on regular expressions Describes how to use operators, basic math, functions from the Math module, rational numbers, etc. Talks you through Ruby arrays, and demonstrates hashes in detail Explains how to process files with Ruby Discusses Ruby classes and modules (mixins) in detail, including a brief introduction to object-oriented programming (OOP) Introduces processing XML, the Tk toolkit, RubyGems, reflection, RDoc, embedded Ruby, metaprogramming, exception handling, and other topics Acquaints you with some of the essentials of Rails, and includes a short Rails tutorial. Each chapter concludes with a set of review questions, and appendices provide you with a glossary of terms related to Ruby programming, plus reference material from the book in one convenient location. If you want to take Ruby out for a drive, Learning Ruby holds the keys.

 

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Зміст

  1. Chapter 1 Ruby Basics

    1. Hello, Matz

    2. Interactive Ruby

    3. Resources

    4. Installing Ruby

    5. Permission Denied

    6. Associating File Types on Windows

    7. Review Questions

  2. Chapter 2 A Quick Tour of Ruby

    1. Ruby Is Object-Oriented

    2. Ruby's Reserved Words

    3. Comments

    4. Variables

    5. Strings

    6. Numbers and Operators

    7. Conditional Statements

    8. Arrays and Hashes

    9. Methods

    10. Blocks

    11. Symbols

    12. Exception Handling

    13. Ruby Documentation

    14. Review Questions

  3. Chapter 3 Conditional Love

    1. The if Statement

    2. The case Statement

    3. The while Loop

    4. The loop Method

    5. The for loop

    6. Execution Before or After a Program

    7. Review Questions

  4. Chapter 4 Strings

    1. Creating Strings

    2. Concatenating Strings

    3. Accessing Strings

    4. Comparing Strings

    5. Manipulating Strings

    6. Case Conversion

    7. Managing Whitespace, etc.

    8. Incrementing Strings

    9. Converting Strings

    10. Regular Expressions

    11. 1.9 and Beyond

    12. Review Questions

  5. Chapter 5 Math

    1. Class Hierarchy and Included Modules

    2. Converting Numbers

    3. Basic Math Operations

    4. Ranges

    5. Inquiring About Numbers

    6. More Math Methods

    7. Math Functions

    8. Rational Numbers

    9. Prime Numbers

    10. Review Questions

  6. Chapter 6 Arrays

    1. Creating Arrays

    2. Accessing Elements

    3. Concatenation

    4. Set Operations

    5. Unique Elements

    6. Blow Your Stack

    7. Comparing Arrays

    8. Changing Elements

    9. Deleting Elements

    10. Arrays and Blocks

    11. Sorting Things and About Face

    12. Multidimensional Arrays

    13. 1.9 and Beyond

    14. Other Array Methods

    15. Review Questions

  7. Chapter 7 Hashes

    1. Creating Hashes

    2. Accessing Hashes

    3. Iterating over Hashes

    4. Changing Hashes

    5. Converting Hashes to Other Classes

    6. 1.9 and Beyond

    7. Other Hash Methods

    8. Review Questions

  8. Chapter 8 Working with Files

    1. Directories

    2. Creating a New File

    3. Opening an Existing File

    4. Deleting and Renaming Files

    5. File Inquiries

    6. Changing File Modes and Owner

    7. The IO Class

    8. Review Questions

  9. Chapter 9 Classes

    1. Defining the Class

    2. Instance Variables

    3. Accessors

    4. Class Variables

    5. Class Methods

    6. Inheritance

    7. Modules

    8. public, private, or protected

    9. Review Questions

  10. Chapter 10 More Fun with Ruby

    1. Formatting Output with sprintf

    2. Processing XML

    3. Date and Time

    4. Reflection

    5. Using Tk

    6. Metaprogramming

    7. RubyGems

    8. Exception Handling

    9. Creating Documentation with RDoc

    10. Embedded Ruby

    11. Review Questions

  11. Chapter 11 A Short Guide to Ruby on Rails

    1. Where Did Rails Come From

    2. Why Rails?

    3. What Have Other Folks Done with Rails?

    4. Hosting Rails

    5. Installing Rails

    6. Learning Rails

    7. A Brief Tutorial

    8. Review Questions

  1. Appendix Ruby Reference

    1. Ruby Interpreter

    2. Ruby's Reserved Words

    3. Operators

    4. Escape Characters

    5. Predefined Variables

    6. Global Constants

    7. Regular Expressions

    8. String Unpack Directives

    9. Array Pack Directives

    10. Sprintf Flags and Field Types

    11. File Tests

    12. Time Formatting Directives

    13. RDoc Options

    14. Rake

  2. Appendix Answers to Review Questions

    1. Chapter 1 Review Questions

    2. Chapter 2 Review Questions

    3. Chapter 3 Review Questions

    4. Chapter 4 Review Questions

    5. Chapter 5 Review Questions

    6. Chapter 6 Review Questions

    7. Chapter 7 Review Questions

    8. Chapter 8 Review Questions

    9. Chapter 9 Review Questions

    10. Chapter 10 Review Questions

    11. Chapter 11 Review Questions

  3. Glossary

  4. Colophon

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