Learning Ruby

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More About This Book

Overview

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.

Product Details

  • ISBN-13: 9780596529864
  • Publisher: O'Reilly Media, Incorporated
  • Publication date: 5/1/2007
  • Pages: 260
  • Sales rank: 423,917
  • Product dimensions: 7.00 (w) x 10.86 (h) x 0.63 (d)

Meet the Author

Michael Fitzgerald is a freelance writer and trainer specializing in XML and related technologies. He is the author of Building B2B Applications with XML and XSL Essentials, both published by John Wiley & Sons, and has published several articles for XML.com on the O'Reilly Network.

Table of Contents

Dedication; Preface; Who Should Read This Book?; How This Book Works; About the Examples; How This Book Is Organized; Conventions Used in This Book; Comments and Questions; Safari® Enabled; Acknowledgments; Chapter 1: Ruby Basics; 1.1 Hello, Matz; 1.2 Interactive Ruby; 1.3 Resources; 1.4 Installing Ruby; 1.5 Permission Denied; 1.6 Associating File Types on Windows; 1.7 Review Questions; Chapter 2: A Quick Tour of Ruby; 2.1 Ruby Is Object-Oriented; 2.2 Ruby's Reserved Words; 2.3 Comments; 2.4 Variables; 2.5 Strings; 2.6 Numbers and Operators; 2.7 Conditional Statements; 2.8 Arrays and Hashes; 2.9 Methods; 2.10 Blocks; 2.11 Symbols; 2.12 Exception Handling; 2.13 Ruby Documentation; 2.14 Review Questions; Chapter 3: Conditional Love; 3.1 The if Statement; 3.2 The case Statement; 3.3 The while Loop; 3.4 The loop Method; 3.5 The for loop; 3.6 Execution Before or After a Program; 3.7 Review Questions; Chapter 4: Strings; 4.1 Creating Strings; 4.2 Concatenating Strings; 4.3 Accessing Strings; 4.4 Comparing Strings; 4.5 Manipulating Strings; 4.6 Case Conversion; 4.7 Managing Whitespace, etc.; 4.8 Incrementing Strings; 4.9 Converting Strings; 4.10 Regular Expressions; 4.11 1.9 and Beyond; 4.12 Review Questions; Chapter 5: Math; 5.1 Class Hierarchy and Included Modules; 5.2 Converting Numbers; 5.3 Basic Math Operations; 5.4 Ranges; 5.5 Inquiring About Numbers; 5.6 More Math Methods; 5.7 Math Functions; 5.8 Rational Numbers; 5.9 Prime Numbers; 5.10 Review Questions; Chapter 6: Arrays; 6.1 Creating Arrays; 6.2 Accessing Elements; 6.3 Concatenation; 6.4 Set Operations; 6.5 Unique Elements; 6.6 Blow Your Stack; 6.7 Comparing Arrays; 6.8 Changing Elements; 6.9 Deleting Elements; 6.10 Arrays and Blocks; 6.11 Sorting Things and About Face; 6.12 Multidimensional Arrays; 6.13 1.9 and Beyond; 6.14 Other Array Methods; 6.15 Review Questions; Chapter 7: Hashes; 7.1 Creating Hashes; 7.2 Accessing Hashes; 7.3 Iterating over Hashes; 7.4 Changing Hashes; 7.5 Converting Hashes to Other Classes; 7.6 1.9 and Beyond; 7.7 Other Hash Methods; 7.8 Review Questions; Chapter 8: Working with Files; 8.1 Directories; 8.2 Creating a New File; 8.3 Opening an Existing File; 8.4 Deleting and Renaming Files; 8.5 File Inquiries; 8.6 Changing File Modes and Owner; 8.7 The IO Class; 8.8 Review Questions; Chapter 9: Classes; 9.1 Defining the Class; 9.2 Instance Variables; 9.3 Accessors; 9.4 Class Variables; 9.5 Class Methods; 9.6 Inheritance; 9.7 Modules; 9.8 public, private, or protected; 9.9 Review Questions; Chapter 10: More Fun with Ruby; 10.1 Formatting Output with sprintf; 10.2 Processing XML; 10.3 Date and Time; 10.4 Reflection; 10.5 Using Tk; 10.6 Metaprogramming; 10.7 RubyGems; 10.8 Exception Handling; 10.9 Creating Documentation with RDoc; 10.10 Embedded Ruby; 10.11 Review Questions; Chapter 11: A Short Guide to Ruby on Rails; 11.1 Where Did Rails Come From; 11.2 Why Rails?; 11.3 What Have Other Folks Done with Rails?; 11.4 Hosting Rails; 11.5 Installing Rails; 11.6 Learning Rails; 11.7 A Brief Tutorial; 11.8 Review Questions; Ruby Reference; Ruby Interpreter; Ruby's Reserved Words; Operators; Escape Characters; Predefined Variables; Global Constants; Regular Expressions; String Unpack Directives; Array Pack Directives; Sprintf Flags and Field Types; File Tests; Time Formatting Directives; RDoc Options; Rake; Answers to Review Questions; Chapter 1 Review Questions; Chapter 2 Review Questions; Chapter 3 Review Questions; Chapter 4 Review Questions; Chapter 5 Review Questions; Chapter 6 Review Questions; Chapter 7 Review Questions; Chapter 8 Review Questions; Chapter 9 Review Questions; Chapter 10 Review Questions; Chapter 11 Review Questions; Glossary; Colophon;

Michael Fitzgerald describes Ruby as "my favorite language so far" and is working regularly with Ruby and the Rails framework. He has written over 150 Ruby programs for testing and demonstration, and has been developing a library of sample Ruby code. He is the author of Learning XSLT and XML Hacks, and co-author on the XML Pocket Reference.

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Sort by: Showing all of 3 Customer Reviews

  • Posted February 5, 2009

    Great Cookbook

    Learning Ruby is a great book for experts and novices that are looking to learn Ruby. It effectively addresses the needs of people who are learning Ruby as their first programming language and people who already know many languages. This book shows many good code examples that demonstrate the power of the language in an easy to understand way while showing good programming techniques. It flows in a very easy to follow fashion with one section immediately building on the previous.

    I feel comfortable after reading this book to use Ruby for basic scripting tasks and application development. I look forward to learning more about the language after seeing the power that it has to offer to a programmer. I would recommend this book to anyone who is interested in learning Ruby as a first language. If you are looking to learn some of the more in-depth features of Ruby I would suggest looking at O'Reilly's Ruby Cookbook.

    1 out of 1 people found this review helpful.

    Was this review helpful? Yes  NoThank you for your feedback.   Report this reviewThank you, this review has been flagged.

  • Anonymous

    Posted July 3, 2007

    Good Book for Beginners

    Beginning Ruby is a great book for experts and novices that are looking to learn Ruby. It effectively addresses the needs of people who are learning Ruby as their first programming language and people who already know many languages. This book shows many good code examples that demonstrate the power of the language in an easy to understand way while showing good programming techniques. It flows in a very easy to follow fashion with one section immediately building on the previous. I feel comfortable after reading this book to use Ruby for basic scripting tasks and application development. I look forward to learning more about the language after seeing the power that it has to offer to a programmer. I would recommend this book to anyone who is interested in learning Ruby as a first language. If you are looking to learn some of the more in-depth features of Ruby I would suggest looking at O'Reilly's Ruby Cookbook.

    Was this review helpful? Yes  NoThank you for your feedback.   Report this reviewThank you, this review has been flagged.

  • Anonymous

    Posted October 16, 2010

    No text was provided for this review.

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