Andrew Healey.

Hey, I'm Andrew Healey. I'm a software engineer at Vercel, and I'm interested in the joy of computing. I've written 141,281 words on this open source website.

Recent (110 articles)

Compiling Lisp to Bytecode and Running It

Extending my Lisp compiler and adding a fast virtual machine.

Generating Mazes

Visualizations and techniques for different maze generation algorithms.

Making Python Less Random

Using ptrace to intercept and modify a process's getrandom syscall.

Popular

Lisp Compiler Optimizations

Smaller programs that do less work.

My Time At The Recurse Center

Thoughts and reflections on my six week batch.

Building My Own Chess Engine

Exploring the computational complexity of chess. Code snippets in Python so you can do the same.