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Ruby on Rails: Up and Running
Read an excerpt:
Chapter 6: Ajax
Excerpt provided courtesy of O'Reilly Media. Copyright © O'Reilly Media, Inc
Written permission from the publisher is required for any use of this material.
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Ruby on Rails is the super-productive new way to develop full-featured web applications.
With Ruby on Rails, powerful web applications that once took weeks or months to
develop can now be produced in a matter of days. If it sounds too good to be true,
it isn't.
If you're like a lot of web developers, you've probably considered kicking
the tires on Rails - the framework of choice for the new generation of Web 2.0
developers. Ruby on Rails: Up and Running from O'Reilly takes you out
for a test drive and shows you just how fast Ruby on Rails can go.
This compact guide teaches you the basics of installing and using both the
Ruby scripting language and the Rails framework for the quick development of
web applications. Ruby on Rails: Up and Running covers just about everything
you need - from making a simple database-backed application to adding elaborate
Ajaxian features and all the juicy bits in between. While Rails is praised for
its simplicity and speed of development, there are still a few steps to master
on the way. More advanced material helps you map data to an imperfect table,
traverse complex relationships, and build custom finders. A section on working
with Ajax and REST shows you how to exploit the Rails service frameworks to
send emails, implement web services, and create dynamic user-centric web pages.
The book also explains the essentials of logging to find performance problems
and delves into other performance optimizing techniques.
As new web development frameworks go, Ruby on Rails is the talk of the town.
And Ruby on Rails: Up and Running can make sure you're in on the discussion.
Table of Contents
Preface
1. Zero to Sixty: Introducing Rails
Rails Strengths
Putting Rails into Action
Organization
The Web Server
Creating a Controller
Building a View
Tying the Controller to the View
Under the Hood
What's Next?
2. Active Record Basics
Active Record Basics
Introducing Photo Share
Schema Migrations
Basic Active Record Classes
Attributes
Complex Classes
Behavior
Moving Forward
3. Active Record Relationships
belongs_to
has_many
has_one
What You Haven't Seen
Looking Ahead
4. Scaffolding
Using the Scaffold Method
Replacing Scaffolding
Generating Scaffolding Code
Moving Forward
5. Extending Views
The Big Picture
Seeing Real Photos
View Templates
Setting the Default Root
Stylesheets
Hierarchical Categories
Styling the Slideshows
6. Ajax
How Rails Implements Ajax
Playing a Slideshow
Using Drag-and-Drop to Reorder Slides
Drag and Drop Everything (Almost Everything)
Filtering by Category
7. Testing
Background
Ruby's Test::Unit
Testing in Rails
Wrapping Up
A. Installing Rails
B. Quick Reference
Index
About the Authors
Bruce A. Tate is a kayaker, mountain biker, and father of two. In his
spare time, he is an independent consultant in Austin, Texas. In 2001, he founded
J2Life, LLC, a consulting firm that specializes in Java persistence frameworks
and lightweight development methods. His customers have included FedEx, Great
West Life, TheServerSide, and BEA. He speaks at conferences and Java user's
groups around the nation. Before striking out on his own, Bruce spent 13 years
at IBM working on database technologies, object-oriented infrastructure, and
Java. He was recruited away from IBM to help start the client services practice
in an Austin startup called Pervado Systems. He later served a brief stint as
CTO of IronGrid, which built nimble Java performance tools. Bruce is the author
of four books, including the bestselling "Bitter Java", and the recently
released Better, Faster, Lighter Java, from O'Reilly. First rule of kayak: When
in doubt, paddle like Hell.
Curt Hibbs has always been slightly obsessed with new technologies and
tracking technology trends. But he will tell you that this is simply because
he is lazy, always looking for new methods and technologies to make his work
easier and more productive. This led to his discovery of Ruby in 2001 (when
it was still relatively unknown outside of Japan) and to his founding several
highly successful Ruby open source projects.
For most of his professional career, which started in the early 1970's, Curt
has been a consultant to well-known companies like Hewlett Packard, Intuit,
Corel, WordStar, Charles Schwab, Vivendi Universal, and more. He has also been
a principal in several startups. Curt now works as a Senior Software Engineer
for The Boeing Company in St. Louis.
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