Search across blog posts and diary entries
Blog/Tag
5 posts
Every C programmer calls malloc, but few know what happens after the call disappears into the standard library. The allocator is managing a heap of raw memory, carving it into chunks, tracking what's free, and trying to do all of that fast enough that you never notice the overhead. Here's how it actually works.
Most developers use these words interchangeably. They shouldn't. Concurrency and parallelism solve different problems, and mixing them up leads to code that's either over-engineered or broken in subtle ways.
We rely on massive frameworks to handle web traffic every day. But what happens when you strip all of that away? Here is a look at building a high-performance, event-driven web server from scratch in C using macOS system calls.
We interact with compilers every single day, but the linker is the true unsung hero of the toolchain. Here is a deep dive into object files, symbol resolution, and the magic that turns text into a running program.
Reddit serves billions of pageviews a month, hosts millions of communities, and handles some of the most unpredictable traffic spikes on the internet. Here is how they built it, what broke along the way, and what the architecture looks like today.