http://www.danielkonopacki.com/blog Interactive Engineering Tue, 13 May 2008 23:48:47 +0000 http://backend.userland.com/rss092 en http://www.danielkonopacki.com/blog/2007/10/10/from-code-soup-to-beautiful-oop/ http://www.danielkonopacki.com/blog/2007/09/14/understanding-composition-and-polymorphism/