Develop a working PHP function to validate e-mail addresses.

Cross-reference and convert source code to HTML for easy viewing.

Speed up your Web applications with SCGI.

If the ancient Greeks had created open-source Web applications, would they have used Ajax...or maybe Atlas?

Here is how to install and use four dynamite plugins for the WordPress content management system.

Get the Apache images in thumbnails by putting everything in a for loop.

An Ajax primer with Perl and PostgreSQL.

Screen the unwanted results out of your access log searches.

Getting back to Apache log analysis by ending with a cliffhanger.

A kilo of information on how to represent even giga numbers in a mega-useful way.

Ever wondered what your Web server is doing, but find that you don't have a stats or analytics package installed? In fact, analyzing log files is a perfect task for the Linux command line and, by extension, shell scripts too.

If you want an easy way to calculate the amount of data transferred from a log file, you can always look awk-ward.

Why and how the Planetizen Web site migrated to the Drupal infrastructure for communities.

How to build simple content Web sites using DocBook XML and CSS.

Static content on a website is like a phone book, but imagine how difficult it would be to use your "paper cache" if the numbers inside the phone book constantly changed or if numbers differed based on who was looking them up.  This is why caching dynamic content poses a more difficult problem than caching static content.

It's a crime not to mashup two or more Web services to deliver more than they can deliver separately.

How to use Webglimpse to search and add search-based ads to your site.