2008-06-09T07:13:47Z <p>Most of the developers in Ruby community only know about DRY principle. There are very few who know about Open Closed Principle. </p><p>In this episode I will explain this principle and show an example in Rails where this principle can be applied. You will learn when and how you can apply this principle in Ruby.</p> http://bparanj.blogspot.com http://www.zepho.com/download/open_closed_principle_ruby.mov.zip 5 mins 80 2008-06-09T07:13:47Z 80 3 2008-07-16T16:32:28Z