Description

Ruby on Rails is the revolutionary online programming tool that makes creating functional e-commerce web sites faster and easier than ever. With the intuitive, straightforward nature of Ruby and the development platform provided by Rails, you can put together full-fledged web applications quickly, even if you're new to web programming.

You will find a thorough introduction to both Ruby and Rails in this book. You'll get the easy instructions for acquiring and installing both; understand the nature of conditionals, loops, methods, and blocks; and become familiar with Ruby's classes and objects. You'll learn to build Rails applications, connect to databases, perform necessary testing, and put the whole thing together to create real-world applications such as shopping carts and online catalogs—apps you can actually use right away.

What you will learn from this book

• How to install and use Ruby and Rails
• Object-oriented programming with Ruby
• Rails fundamentals and how to create basic online applications
• How to work with HTML controls, use models in Rails applications, and work with sessions
• Details on working with databases and creating, editing, and deleting database records
• Methods for handling cookies and filters and for caching pages
• How to connect Rails with Ajax

Who this book is for

This book is for anyone who wants to develop online applications using Ruby and Rails. A basic understanding of programming is helpful; some knowledge of HTML is necessary.

Wrox Beginning guides are crafted to make learning programming languages and technologies easier than you think, providing a structured, tutorial format that will guide you through all the techniques involved.

 

Table of Contents

Acknowledgments.

Introduction.

Chapter 1: Welcome to Ruby.

Creating a First Web Application.

Getting Started with Ruby.

Checking the Ruby Documentation.

Working with Numbers in Ruby.

Working with Strings in Ruby.

Storing Data in Variables.

Creating Constants.

Interpolating Variables in Double-Quoted Strings.

Reading Text on the Command Line.

Creating Symbols in Ruby.

Working with Operators.

Handling Operator Precedence.

Working with Arrays.

Using Two Array Indices.

Working with Hashes.

Working with Ranges.

Chapter 2: Conditionals, Loops, Methods, and Blocks.

It’s All about Making Choices: the if Statement.

Using the case Statement.

Using Loops.

Creating and Calling a Method.

Making Use of Scope.

Working with Blocks.

Chapter 3: Classes and Objects.

All about Encapsulation.

Creating a Class.

Creating an Object.

Basing One Class on Another.

Understanding Ruby’s Object Access.

Overriding Methods.

Creating Class Variables.

Creating Class Methods.

Creating Modules.

Creating Mixins.

Chapter 4: Welcome to Rails.

Putting Ruby on Rails.

Introducing Model-View-Controller Architecture.

Giving the View Something to Do.

Mixing Ruby Code and HTML Inside the View.

Passing Data from an Action to a View.

Escaping Sensitive Text.

Adding a Second Action.

Chapter 5: Building Simple Rails Applications.