Writing

27/08/2026 When atomic isn't atomic New
A duplicate-alert bug in a Redis-backed metering service, and why MULTI didn't prevent it. 27/08 5 min read

20/03/2026 Prompt engineering, interactively
Few-shot, chain-of-thought, personas, with a builder you can try as you read. 20/03 2 min read

10/04/2023 The journey of a URL, demystified
DNS, TCP, TLS, HTTP — everything between enter and paint. 10/04 4 min read

09/04/2023 Beyond divs and spans
Semantic HTML as a free win for SEO and accessibility. 09/04 3 min read