Geographically isolated bugs

I find it interesting how a certain class of programming problems may be so common in one geographical location, that are considered to be common knowledge, yet completely unknown in the rest of the world. Consider this piece of code in C/C++ // ロボット機能 if (robotRequired) { CreateRobot(); } See anything wrong with it? No? […]

How to do UDP hole punching

I will now show you how to do UDP hole punching, with code in C. Hole punching is an advanced networking concept, so you’re expected to at least know how to compile/run this code. I have written lots of comments inside the code to explain what is happening. To use this, run the server code […]