All new articles have been archived or deleted.
Introduction to JSON and PHP
Introduction to Computer Storage and Memory
Cross Browser CSS Opacity and the JavaScript Fade / Fading Effect96%
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Installing Subversion and Trac as Apache Virtual Hosts on Windows
By Andrew Johnson (archived 3 days ago)
Are you a developer in need of version control and a web-based project management solution? Subversion and Trac may be the answer. This guide details the Windows installation and setup of Subversion and Trac to run on Apache (mod_wsgi), optionally as Virtual Hosts.
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Encrypting Passwords with PHP for Storage Using the RSA PBKDF2 Standard
By Andrew Johnson (archived Oct 3, 2009)
When creating password hashes for storage, many programmers will run a password through MD5 once and call it a day, rendering those hashes very susceptible to attack if they're discovered. In this article, you'll learn how to create stronger hashes with PHP by using the RSA ...
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Introduction to Computers (The Basics)
By Andrew Johnson (archived Sep 24, 2009)
This is the first installment to the "Introduction to Computers" series, intended for people with little to no computer knowledge. Readers will learn various computer terms and acquire a very basic knowledge of computer history, the varying types of computers, computer hardw...
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Generating Session IDs and Random Passwords with PHP
By Andrew Johnson (archived Jun 16, 2009)
Whether it's session ids, passwords or tokens in general, in the world of web development the ability to generate random alpha-numeric strings is a necessity. In this article I present a few simple yet effective PHP functions that can be used to generate strong alpha, numeri...
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PHP Encryption / Decryption Using the MCrypt Library (libmcrypt)
By Andrew Johnson (archived Jun 3, 2009)
The ability to encrypt and safeguard data is an essential ability that every serious web developer should have in their arsenal. In this article we'll explore encrypting data with PHP and MCrypt (libmcrypt), storing it in a database, retrieving it from a database and decrypt...
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Cross Browser CSS Opacity and the JavaScript Fade / Fading Effect
By Andrew Johnson (archived May 17, 2009)
Using CSS and JavaScript to modify the opacity (transparency) of HTML elements and images can really open the doors when it comes to improving the functional attractiveness of web applications. In this article, I'll be exploring interoperable CSS opacity setups and the JavaS...
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Creating the Smooth Scroll Effect with JavaScript
By Andrew Johnson (archived May 12, 2009)
Looking for something a little more elegant than simple HTML anchors? In this easy to follow guide you'll learn how to implement the "smooth scroll" effect using JavaScript that falls back to simple anchoring when clients have JavaScript disabled.
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Guide to JavaScript Timers with setTimeout() and setInterval()
By Andrew Johnson (archived May 9, 2009)
JavaScript timers allow us to add the dimension of time to our scripts. You can use the setTimeout method to execute code once, when a specified period of time passes, or setInterval if you wish to create a loop where the code runs over and over at the interval you specify.
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Getting Started with GIMP (GNU Image Manipulation Program)
By Andrew Johnson (archived Mar 31, 2009)
The GIMP (GNU Image Manipulation Program) is a free, open source and extensible graphics editor. There are versions available for Linux, Windows and Mac OS X. This article is geared toward people with little to no experience working with a graphics program and serves as a ba...
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Comprehensive Guide to PHP / MySQL Tag Clouds (Includes Demo)
By Andrew Johnson (archived Mar 5, 2009)
Tags are a great way to organize user content such as photos, videos, articles and so on. This guide covers the necessary MySQL tables, SQL queries, PHP scripts, XHTML and CSS for adding tag support to your website. Apache mod_rewrite rules are also covered for search engine...