Adding a Chat Section to your Site
We will show you how to expand your web site by adding another section to it. Despite what you might already have (besides your on-line community) this guide will use the example of adding a chat channel for your users to get real-time contact with other members, or live-support for your customers.

Submitted By Floris

Introduction to PayPal and vBulletin Paid Subscriptions System
You can use PayPal and vBulletin together to get the most out of your members and web site by setting up (for example) Donation links, Premium member subscriptions or pay them for contributing articles or other content, or allow users to pay you for services you offer on your site. This is why DanielP and I have decided to write out an introduction to PayPal and vBulletin paid subscriptions.

Submitted By Floris

eBay's New Grid
eBay changed its systems from a centralized database that served several Web servers data (view this as a wagon wheel: with the database being the hub and the spokes being the individual Web server clusters serving the world). This has very obvious drawbacks, the biggest of which was made apparent during some of the Nets bigger disasters, such as the SOBIG Worm and the massive power outage on the northeast coast of the U.S. So eBay began making changes. They changed how the entire infrastructure of their website and database is built, putting everything in a much more stable environment.

Submitted By Aaronzwebworkz

3D Ball (Using Lens Flare and Polar Coordinates)

Submitted By abdylas