Some technical articles (with source code) and free libraries can be found here.
Get MAC Address - Many ways of getting the MAC Address, click through to find out the pro's and cons of the many methods available.
Crypto - Many years ago i completed some work using the Crypto API, heres a complete code example to get it up and running.
Website - I've been doing a lot of web work recently. Here is a basic 'what to do' guide for creating or improving a site.
Resources - A list of great coding websites, featuring: tutorials, utilities, forums and loads more useful stuff.
GUI Framework - A lightweight solution to quickly created GUI objects in GameMaker.
Dice Scripts - Some example scripts showing different dice mechanics.