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A collection of articles on topics I am passionate about.

2026

September 11, 2026 · 26 min read

Sockets, Buffers, and the Stream

From the wire to async/await: what the network actually delivers, what a socket is, where the bytes wait on both sides of it, and how async I/O grew out of all that.
July 04, 2026 · 4 min read

No Magnets, No Forks: How I Pick Restaurants While Traveling

An ever-evolving list of my heuristics for dodging tourist traps and eating where the locals do.

2025

February 09, 2025 · 5 min read

Decoding Angular’s null: A Journey Through Its Dart Origins

Angular returns null where you’d expect undefined. It’s not a bug - it’s a fossil from when the framework was built to also run on Dart, which has no concept of undefined at all.

© 2026 • Dumitru Cușnir

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