Javascript double exclamation point !!
I spend my time developing applications and have geared most of my time to learn and hopefully 'master' javascript. One of the things I've noticed while reading the Mootools Core source code(Yeah, I'm hard core :p ) is the double exclamation points.
function $chk(obj){
return !!(obj || obj === 0);
};
What does that mean?
Implementing jQuery Live in Mootools
If you're like me, I've been wanting to have a jquery live implementation in Mootools for the longest time. Luckily someone from Stackoverflow did it for us.
Easy jQuery Promotional Footers with Meerkat

Meerkat is an excellent jQuery plugin that allows you to do just that with your own website and more.
Demo: Meerkat Demo Area
Download: Meerkat Download Area
License: Meerkat is free but not using any the free licenses
Image Viewer with Thumbnails using Mootools
This is a simple tutorial for creating an image viewer with thumbnails using Mootools.

