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Product Description

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. This book is ideal for Ruby programmers as well as web developers who use Rails and wish to extend the functionality of their projects.

Youll get a prime selection of 34 of the best and most useful Gems, which makes up the core of this book. Each of these also comes complete with actual use cases and code examples that you can use immediately in your own projects. Youll 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!

Youll also learn how to package and distribute your own Ruby Gems. This lets you tap into powerful mechanisms for resolving dependencies. And the book takes a detailed look at how Gems differ between operating systems, so youll be prepared whether your desktop runs OS X, Windows, or Linux. Youll also learn how you can share code more easily between projects, optionally sharing your contributions with the world!



About the Author


Berube is a Ruby developer, trainer, author, and speaker. He’s used both Ruby and Ruby on Rails for several years, starting in 2003 when he became a Ruby advocate after he wrote about the language for Dr Dobb's Journal. Prior to this he worked professionally with PHP, Perl, C++, and Visual Basic.




His professional accomplishments include creating the Ruby on Rails engine for CoolRuby.com (http://coolruby.com), a site that tracks the latest Ruby developments, and working with ThoughtBot (http://www.thoughtbot.com.) on the Rails engine that powers Sermo America's Top Doctor contest. Additionally, he has worked on several other Ruby projects, including the engine powering CyberKnowHow's BirdFluBreakingNews search engine, and he also created the Slueshi text adventure game system, a multiplayer text game engine written in Ruby.




David's journalism has been in print in over 65 countries, in magazines such as Linux Magazine, Dr Dobb's Journal, and PHP International Magazine. He's also taught college courses and spoken publicly on topics such as "MySQL and You" and "Making Money with Open Source Software."




He lives in New Hampshire and his hobbies include basketball, yo-yos, and sleep.

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