Plurrrr

If you have hung out in Haskell communities, you might have heard people mentioning concepts from the mathematical field of category theory, perhaps even claiming that Haskell is built upon category-theoretic foundations.

There is some truth to this, but I think it is more accurate to say that certain abstractions in Haskell are inspired by category theory. When learning Haskell, I took this connection too literally and ended up confusing the hell out of myself. This post is aimed at my former self and aims to clear up some confusions I came across while trying to make sense of it all.

It took me 2 years, but I think now I love tcpdump. Before we go into why – what’s tcpdump?

tcpdump is a tool that will tell you about network traffic on your machine. I was scared of it for a long time and refused to learn how to use it. Now I am wiser and I am here to show you that tcpdump is awesome and there is no need to be scared of it. Let’s go!

How to modernize C arrays for greater memory safety: a case-study in refactoring the Linux kernel and a look to the future