Here are some other articles from the author of this page.
Sitting around to loose weight?
-- Your body loses weight, while you are idle. This article will show you how to calculate your BMR and why it matters.
Recovering drive with bad sectors without Formatting on Windows
-- This post will show how to recover a drive without having to reformat the drive with minimal to no data loss.
Correctly using crypt() with SHA512
-- There are many ways to use crypt() in PHP, but I have found this to be the most useful and practical.