This Regular Expression will verify if a date is a valid YYYY-MM-DD with an optional HH:MM:SS. It checks to see if the day is a valid day in the given month with the consideration of leap years.

Merge all of your CSS and JS into one file to improve server speed.

If you want to know exactly what your server is doing right now then read on.

Although this is not PHP/MySQL related, it is still very relevant for any web developer who is managing the servers they develop on.

A list of a few commands useful for managing an exim mail server.

Give this function a phrase and it will return all of the permutations of the words that make up the phrase.

Here is what I use to make a backup library of MySQL daily that will keep backups for 30 days.

I searched long and hard to find what was causing swfupload to fail on my cPanel, but work on my test environment so I thought I better save the result incase I need it again.

Quick example of how to set default expires headers. This will help prevent browsers from re-downloading the same images more than once and therefore reduce the load on your image server.

Some notes and commands I want to keep handy the next time I setup MySQL replication.

This JavaScript function will resize the inside of a browser window to the dimensions provided.