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Rails 3 is possibly the most anticipated release of the popular Ruby web framework. It’s been rewritten from the inside out with speed and stability at the forefront. However, these extensive internal and syntactical improvements require some changes to your code and plugins. Respected Rubyist Jeremy McAnally has researched and...

by Cody Fauser, ActiveMerchant committer and Shopify developer. Most online businesses need to receive payment. If you’re developing with Ruby, the standard for credit card authorization and capture is ActiveMerchant. ActiveMerchant provides a consistent interface to over 30 gateways all around the world and has processed millions of dollars of...

Many have learned the basics of using Git from the PeepCode Git screencast. In this PDF, Scott Chacon goes even further to explain the distributed filesystem behind the popular source code management system. If you’re tired of terse man pages or academic white papers, you’ll enjoy more than four dozen...

Previously called MMS2R Web applications become much more useful when powered by the oldest communication technology on the Internet: email. This 60 page PDF shows how to use the MMS2R RubyGem to receive and parse email from both desktop clients and mobile devices. You’ll learn about: