Hi, I'm Alister.
I build backend systems for work, and run my own for fun.
// Latest
Feb 13, 2026 · 2 min read
Floyd's Cycle Detection: Visualizing LeetCode 287
An interactive explorer for Floyd's tortoise and hare algorithm, the trick behind solving 'Find the Duplicate Number' in O(1) space.
algorithms leetcode interactive
+1
Jun 2, 2025
Pokus
A focus timer I built to help my spouse pace through Long COVID — that I ended up using myself.
swift ios