Learning Rails 3 by Laurent, Simon St. -- Read -- Imperial Library of Trantor

Index

Learning Rails 3 Preface

Who This Book Is For Who This Book Is Not For What You’ll Learn Ruby and Rails Style Other Options Rails Versions If You Have Problems Making Examples Work If You Like (or Don’t Like) This Book Conventions Used in This Book Using Code Examples Safari® Books Online How to Contact Us Acknowledgments

1. Starting Up Ruby on Rails

If You Run Windows, You’re Lucky Getting Started at the Command Line Starting Up Rails Test Your Knowledge

Quiz Answers

2. Rails on the Web

Creating Your Own View What Are All Those Folders? Adding Some Data How Hello World Works Adding Logic to the View Test Your Knowledge

Quiz Answers

3. Adding Web Style

I Want My CSS! Specifying Stylesheets Creating a Layout for a Controller Choosing a Layout from a Controller Sharing Template Data with the Layout Setting a Default Page Test Your Knowledge

Quiz Answers

4. Managing Data Flow: Controllers and Models

Getting Started, Greeting Guests Application Flow Keeping Track: A Simple Guestbook

Connecting to a Database Through a Model Connecting the Controller to the Model

Storing data using the model Retrieving data from the model and showing it

Finding Data with ActiveRecord Test Your Knowledge

Quiz Answers

5. Accelerating Development with Scaffolding and REST

A First Look at Scaffolding REST and Controller Best Practices

Websites and Web Applications Toward a Cleaner Approach

Examining a RESTful Controller

Index: An Overview of Data Show: Just One Row of Data New: A Blank Set of Data Fields Edit: Hand Me That Data, Please Create: Save Something New Put This Updated Record In Destroy It

Escaping the REST Prison Test Your Knowledge

Quiz Answers

6. Presenting Models with Forms

More Than a Name on a Form Generating HTML Forms with Scaffolding Form as a Wrapper Creating Text Fields and Text Areas Labels Creating Checkboxes Creating Radio Buttons Creating Selection Lists Dates and Times Creating Helper Methods Test Your Knowledge

Quiz Answers

7. Strengthening Models with Validation

Without Validation The Original Model The Power of Declarative Validation Managing Secrets

Customizing the Message Limiting Choices Testing Format with Regular Expressions Seen It All Before Numbers Only

A Place on the Calendar

Testing for Presence

Beyond Simple Declarations

Test It Only If Do It Yourself

Test Your Knowledge

Quiz Answers

8. Improving Forms

Adding a Picture by Uploading a File

File Upload Forms Model and Migration Changes

A migration for an extension attr_accessible, again Extending a model beyond the database Showing it off

Results

Standardizing Your Look with Form Builders

Supporting Your Own Field Types Adding Automation Integrating Form Builders and Styles

Test Your Knowledge

Quiz Answers

9. Developing Model Relationships

Connecting Awards to Students

Establishing the Relationship Supporting the Relationship Guaranteeing a Relationship

Connecting Students to Awards

Removing Awards When Students Disappear Counting Awards for Students

Nesting Awards in Students

Changing the Routing Changing the Controller Changing the Award Views Connecting the Student Views Is Nesting Worth It?

Many-to-Many: Connecting Students to Courses

Creating Tables Connecting the Models Adding to the Controllers Adding Routing Supporting the Relationship Through Views

Establishing navigation Showing counts Enrolling students in courses

What’s Missing? Test Your Knowledge

Quiz Answers

10. Managing Databases with Migrations

What Migrations Offer You Migration Basics

Migration Files Running Migrations Forward and Backward

Inside Migrations

Working with Tables Data Types Working with Columns Indexes Other Opportunities

Test Your Knowledge

Quiz Answers

11. Debugging

Creating Your Own Debugging Messages Raising Exceptions Logging Working with Rails from the Console The Ruby Debugger Test Your Knowledge

Quiz Answers

12. Testing

Test Mode Setting Up a Test Database with Fixtures Unit Testing Functional Testing

Calling Controllers Testing Responses Dealing with Nested Resources

Integration Testing Beyond the Basics Test Your Knowledge

Quiz Answers

13. Sessions and Cookies

Getting Into and Out of Cookies Storing Data Between Sessions Test Your Knowledge

Quiz Answers

14. Users and Authentication

Installation Storing Identities Storing User Data Wiring OmniAuth into the Application Classifying Users More Options Test Your Knowledge

Quiz Answers

15. Routing

Creating Routes to Interpret URIs

Specifying Routes with match Globbing Regular Expressions and Routing A Domain Default with root Named Routes Mapping Resources Nesting Resources Route Order and Priority Checking the Map

Generating URIs from Views and Controllers

Pointing url_for in the Right Direction Adding Options

Infinite Possibilities Test Your Knowledge

Quiz Answers

16. From CSS to SASS

Getting Started Sassy Style

Variables Mixins Nesting

Making Everything Work Together

Becoming Sassier

Test Your Knowledge

Quiz Answers

17. Managing Assets and Bundles

The Junk Drawer

Sprockets Dissecting The Pipeline Putting It All Together Bundler

Test Your Knowledge

Quiz Answers

18. Sending Code to the Browser: JavaScript and CoffeeScript

Sending JavaScript to the Browser Simplifying with CoffeeScript

Have Some Sugar with your CoffeeScript Converting to CoffeeScript

Test Your Knowledge

Quiz Answers

19. Mail in Rails

Sending Mail Messages Receiving Mail

Setup Processing Messages

Test Your Knowledge

Quiz Answers

20. Pushing Further into Rails

Changing to Production Mode Deploying Is Much More Than Programming Joining the Rails Ecosystem

Keep Up with Rails Ruby Working With and Around Rails Keep Exploring

A. An Incredibly Brief Introduction to Ruby

How Ruby Works How Rails Works Getting Started with Classes and Objects Comments Variables, Methods, and Attributes

Variables

Arrays and hashes Symbols

Methods

Privacy, please super Calling methods: advanced options

Attributes

Logic and Conditionals

Operators if, else, unless, and elsif ?: case and when Loops

while and until Just Counting for

Many More Possibilities

B. An Incredibly Brief Introduction to Relational Databases

Tables of Data

Connecting Tables Using Tables to Connect Tables Granularity

Databases, Tables, and Rails

C. An Incredibly Brief Guide to Regular Expressions

What Regular Expressions Do Starting Small The Simplest Expressions: Literal Strings Character Classes Escaping Modifiers Anchors Sequences, Repetition, Groups, and Choices Greed More Possibilities

D. Glossary

Speaking in Rails

Index About the Authors Colophon Copyright

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