PoExtras is a pre-compiled AutoHotkey script (also available raw) that introduces some useful features to the game and foremost it's controls.
Recently, I came around a problem with the Disqus comment system while fixing a random WordPress theme. The theme had individual blog posts where the Disqus module loaded as intended, but the top level blog listing (blog homepage so to say), which pulled 3 full posts per page, seemed to load only the default WordPress comments.
This guide is meant to introduce the average player of Source engine based games (Left 4 Dead, Team Fortress 2, Counter Strike: Source and many others) to the world of the engine's spray feature and it's transparency and animation options.
There is a lot of misconception going around the Left 4 Dead series about the "best" rate and interpolation settings. This article aims to explain the problem in detail and suggest tweaks to improve your game.
V-sync (aka vertical synchronization) was introduced to synchronize frame rendering frequency to the screen refresh rate, which also prevents the "screen tearing" effect when a specific application (game) renders faster than the screen's native refresh rate allows, resulting in multiple frames being drawn during a single screen refresh.