Author: ACMer

My first website steakovercooked.com started at 2006 (9 years ago). And at that time, I didn’t know much about the file encoding/charset and also, the UTF-8 was not so …

3D vector operations are quite useful and common in the math world, especially when it involves the geometry. The following is a simple class made in PHP that encapsulates …

I wrote these PHP functions to compute matrix determinant for 2×2 and 3×3 matrices long time ago and I share these three simple functions here just in case someone …

The Tweeter is not good at displaying all tweets. I have more than 600 tweets so far (most of them are sent by PHP script at VPS). If you …

This tutorial will show you how to create and run unit tests under Visual Studio. We use C# but the same principle can be applied to other programming languages …