Jack LaFond

jack.bio

Jack LaFond's personal website

Popular posts: 3
Total points: 694
HN comments: 508
Rank: #3,503 personal

Visit jack.bio → RSS feedOn Hacker News May 2025 – Aug 2026

Tools & Productivity 2 Life, Learning & Writing 2 Society, Policy & Culture 1 Software Engineering 1

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Using TypeScript to obtain one of the rarest license plates

2025197 points206 comments Software Engineering details

Using TypeScript and some DMV API digging, I chased down and claimed one of the rarest available license plate combinations.

Tracking Costco gas prices

2026129 points115 comments Life, Learning & Writing details

I reverse-engineered Costco's gas price API and built a live tracker covering every US warehouse, right as a Strait of Hormuz scare sent fuel prices climbing.