https://okiemute.cv/blog Full-stack engineer building complete products end to end — Next.js, NestJS, Flutter, PostgreSQL. Based in Nigeria, working UTC+1. Open to remote roles in Europe and the US. en Thu, 20 Aug 2026 09:00:00 GMT https://okiemute.cv/blog/pigeonhole-principle-id-collisions https://okiemute.cv/blog/pigeonhole-principle-id-collisions Thu, 20 Aug 2026 09:00:00 GMT A short random ID looks unique until traffic catches up with the math. Here is the birthday-bound calculation that tells you when, and how to size an ID space so it never happens. mathematicsdistributed-systemstypescript