Archive

Caching is THE magic solution when it comes to optimizing your web applications. There are a lot of caching strategies and applications outthere. Some prefer MySQL query caching, others use memcache …

Even though most of my work is done on Linux systems, my laptop and home-systems are installed with Microsoft’s Windows. Even though I don’t want that OS anywhere even remotely near my servers, I …

I’ve just finished my LPI-201 and LPI-202 exams, which you both need in order to receive your LPIC-2 certification. Even though I’ve used Linux professionally since before 1998, I still wasn’t as easy …

Although you probably never need it as much as a C-programmer would, it’s not a bad idea to know how bit manipulation works. This post will tell you a bit about what bit manipulation is, why you could …

Compression is used all around us every single day. You (or your girlfriend/wife most likely) folds your clothes nicely so they all fit in your closet. When recycling, you flatten the cardboard …

Developers are proud of their work. The best way to get unhappy developers is to force them to create and deploy some crappy software. Sales however, does not care about crap software.. it just needs …

When you visit PHP conferences nowadays, you’ll notice a lot of talk about the Joind.in website (http://joind.in). It’s basically a site where you can register a conference, all the lectures and as a …

Welcome to the first part of CybOS. We talk a bit about the bootsector. From part 2 on, everything is “kernel based”, which means we have setup the system and jumped to our main kernel. From there, …

Somewhere in 1998 or even earlier, I started my own little project in creating a - functional - Operating System from scratch. Not a linux clone and not a MS-DOS wannabe. Just a simple OS that is …

Cardinality and selectivity are two keywords that are very important when dealing with optimization in MySQL queries and indexes. This article will go a bit in depth on both terms and tries to let you …