Easy solutions and ideas found after long googling or hard coding

Get average server load

This function should work on Unix as on windows

Allow bots / spiders / crawlers into your private vbulletin forums

There are some very complicated hacks to add but this one line script to do it.
This should be applied to VB 3.5.4
add these lines to the end of your init.php file located in forumroot\includes\init.php

XUL : open URL with a referrer

This is a small function to use in Firefox extension development which makes use of the referrer parameter sent to loadURI() and addTab() functions

Start multiple programs with one click on windows

It is annoying how most installed programs set them selves in windows startup which you can then manually remove through
Startmenu -> run -> msconfig -> uncheck uneeded programs or services (services could be set to start manually better than disabling it and has the same effect)
but then we need to start some favorite programs that we use often, that could be done as following

Get Keyword from referrer

This Function should extract the keyword from the referrer URL to get what your visitor was searching for on google, msn, live, altavista, alltheweb, scirus, aol, vivisimo, lycos, aliweb, yahoo and baidu.