Footer Stick To Bottom -- Best Practice

I’ve seen lots of different solutions for this, but for some reason when I’ve tried to apply it to my site it didn’t work. What are your guys’ thoughts? Any links would be appreciated.

There’s a very good explanation in the FAQ of this forum: http://www.sitepoint.com/forums/showthread.php?171943-CSS-FAQ-Tips-etc-Please-read-before-posting!&p=1239966#post1239966

Here is a demo of how and all the links that explain why http://www.visibilityinherit.com/code/sticky-footer-demo.php