Category: how a computer thing works
Go structs are copied on assignment (and other things about Go I'd missed) Notes on using a single-person Mastodon server Behind "Hello World" on Linux Implementing a toy version of TLS 1.3 How to use undocumented web APIs Some things about getaddrinfo that surprised me How to find a domain's authoritative nameservers How to use dig How do you tell if a problem is caused by DNS? Tools to explore BGP Quadratic algorithms are slow (and hashmaps are fast) How to look at the stack with gdb The OSI model doesn't map well to TCP/IP Why strace doesn't work in Docker Getting started with shaders: signed distance functions! "server" is hard to define How tracking pixels work How containers work: overlayfs SQL queries don't start with SELECT How does gdb call functions? How do groups work on Linux? Async IO on Linux: select, poll, and epoll Weird unix thing: 'cd //' ★ What happens when you start a process on Linux? How does gdb work? Should you be scared of Unix signals? I conquered thread pools! For today, at least. Thread pools! How do I use them? What is "the stack"? Why Ruby’s Timeout is dangerous (and Thread.raise is terrifying) ★ Why you should understand (a little) about TCP How the locate command works (and let's write a faster version in one minute!) ★ How gzip uses Huffman coding ★ Diving into concurrency: trying out mutexes and atomics How does SQLite work? Part 2: btrees! (or: disk seeks are slow don't do them!) ★ How does SQLite work? Part 1: pages! How is a binary executable organized? Let's explore it! ★ What happens if you write a TCP stack in Python? Diving into HDFS Three steps to learning GDB