Joy of Computing

Wesley put a 4GB file in a 232KB file system by making some clever modifications to the FAT. — davidbalbert

An explanation of some of the difficulties in private information retrieval, along with an interesting scheme to make using bloom filters more tenable. — wesleyac

This post shows that TLA+ can be used for things you might not expect, like modeling autoscaling and load balancing with off-the-shelf tools. — porterjamesj

The PDF specification includes a JavaScript interpreter, and Chrome's PDF reader implements some of its API. This PDF has a game of Breakout embedded inside it. The README describes the clever hacks used to make it work. — davidbalbert

A gentle introduction to the world of image processing, accessible to anyone who's familiar with Python. — nicholasbs

A tiling window manager, written from scratch. Miles used it as his main window manager for a year after writing it. — davidbalbert

A clever use of augmented reality to overlay the New York City subway map over a MetroCard. — nicholasbs

A fun exploration of how to use generic types in Rust to write code that feels more Lisp-like. — nicholasbs

A quirky, object-oriented standard library for OCaml. — porterjamesj

Visualizing algorithms is the most fun way to teach, learn, and comprehend them! I had an actual use case for this at work, and it was gratifying to make a fun visual explanation for it. — Alec