Two responses

1. Guest on Oct 22, 2009 said:

   this website helped me very much by making me understand the concepts like binary search tree.now i am looking for more such things on this site

2. Guest on Nov 17, 2008 said:

   Some awesome tutorials, I had forgotten some concepts I had learnt a while back - it would be great to offer these pages as downloadable pdfs as "cheat sheets" so to speak to use for reference to jog the memory.

   Thanks for your feedback. Great idea and we actually thought of it too, but at the moment we focus on creating more tutorials to cover all basic topics.