Umang Sinha
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Writing Archive
5 Posts
A collection of essays, notes, and technical deep-dives on the systems I'm building.
8 Mar 2026
how spaced repetition actually works: the sm-2 algorithm
25 May 2025
Probabilistic Data Structures in Go: Building and Benchmarking a Bloom Filter
18 May 2025
PostgreSQL UUID Performance: Benchmarking Random (v4) and Time-based (v7) UUIDs
14 Sep 2024
Beyond JavaScript: Why 0.1 + 0.2 Doesn't Equal 0.3 in Programming
22 Jun 2024
The CORS Conundrum