Ruby on Rails 3

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1. An Overview of Ruby on Rails

What is Ruby on Rails?

Overview of Rails Components Installing Rails

A Simple Rails Application Starting the Rails Server

Static Pages Within a Rails Application The Structure of a Rails Application Generating a Controller Rendering the View Adding a Static Page

Dynamic Pages with Embedded Ruby Using the render Method Using the link_to Method

2. Rails and HTML Forms

A Basic HTML Form

Processing an HTML Form Working with Form Data Other Form Elements

Form Tag Helpers

3. Databases and Rails

Review of the MVC Architecture Entities and Relationships Databases and Models

Rails Database Conventions Adding a Model

The Rails Database Console Creating a Rails View of a

Database Table

Scaffolding

RESTful Routes and Resources

4. Form Helpers and Validation

Introduction

Form Helpers and form_for Processing Form Helpers From Form to Database Redirection

Data Validation

Validation Helpers

The presence Validator

The numericality Validator The uniqueness Validator The length Validator The format Validator

Custom Validation Methods The errors Object

Displaying Validation Errors in the View

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5. Adding Style to an Application

Styling

Rails and Sass

Cascading Style Sheets

Database Migrations

6. Users Introduction

Configuring an Application for Sessions Registering Users

The Register Action The flash Hash

Validating the Registration Logging in

Logging Out

Protected Pages Filters

7. Putting It All Together

Introduction

The Business Application Database Terminology Linking Two Models Adding Tasks

The Database Tables

Displaying Employee Tasks Deleting a Task

Listing Employees and Tasks Migrations

Editing a Record Summary