Practical Ruby Gems (PDF 英文版)


(PDF 英文版)
By David Berube
ISBN10: 1-59059-811-3
ISBN13: 978-1-59059-811-5
271 pages
Apr 2007 (Apress)

Practical Ruby Gems is a comprehensive guide to utilizing and creating Ruby Gemsready-made Ruby code modules that can be easily added to Ruby and Rails projects. You'll learn how Ruby Gems can be used to




Validate credit cards.

Create graphical interfaces on multiple platforms.

Speed up Rails applications.

Develop lightweight web applications.

Use ActiveRecord to make databases easy.

Process RSS feeds.

Prevent spam using CAPTCHA.

Crop and scale images.

Tap into the same caching system that runs LiveJournal.com.

And much, much more!


详细介绍，源码在此：http://www.apress.com/book/view/1590598113