Zacharias Dyna Knudsen

I build things for the web. Mostly Ruby/Rails.

E-mail | GitHub profile

Blog posts

• Stripe Webhooks Without System Dependencies. Apr 8, 2025
• Rails & Cloudflare IP Country. Mar 7, 2025
• SQLite Daily Backups in Rails. Sep 12, 2024
• SQLite Full-text Search in Rails. Sep 9, 2024

Hobby projects

• Cellm. Use LLMs in Excel formulas
• zachasme/ft. Danish Parliament open data epxlorer
• dr-podcast.vercel.app. Danish public-service radio RSS service

Open-source contributions

• basecamp/rails#52354. Support SQLite3 full-text-search
• zachasme/stripe-cli-ruby. A self-contained Stripe CLI executable, wrapped up in a ruby gem.
• zachasme/h3-pg. PostgreSQL extension for Uber's H3 Hexagonal Hierarchical Geospatial Indexing System