How to modify WordPress’ robots.txt file with PHP

In a default WordPress installation, the robots.txt file does not exist in your web site’s root directory. WordPress dynamically generates robots.txt content for your web site when it receives a request for the robots.txt file. The technique shown in this article will modify the contents of WordPress’ dynamically generated robots.txt contents.

Procedural Texture Programming for Imagine 3D

This tutorial will get the reader creating procedural textures for Imagine 3D without doing any Windows programming. Then a more in depth look is given into how to use and modify Property Pages. Details are also given on the location and function of important code within the sample texture provided by Imagine 3D. The tutorial assumes that the reader is familiar with Windows and has some knowledge of C and C++ programming.