What actually is a Docker container?
Not a small virtual machine: a container is an ordinary Linux process that the kernel shows a different world. I rebuild one by hand, flag by flag.
Hi, I'm Paul.
I'm a Computer Engineering student at RWTH Aachen and a software engineer. This site is where I write down answers to technical questions I keep coming back to - in my own words, from my own head (though, yes, I use LLMs to polish the articles). I try to always introduce the concepts, I write about high-level and then going into the details, requiring little to no background knowledge. More about me →
How can plain Wi-Fi see you move through a wall?
Two 5-euro chips, one talking and one listening, and a laptop that can tell which corner of the room you are walking in. Even through a wall. Here is the whole chain, from radio waves to a random forest.
Why did the jump from Intel MacBooks to Apple Silicon feel that huge?
It was not just a faster chip: Apple changed how the whole computer is built, and you could feel it on day one.