Best of 2026

The blog posts Hacker News loved most in 2026. 5,929 posts.

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2641

Acme Weather

Over the years it went through numerous iterations — including more than one major redesign — as we worked our way through the process of learning what makes a great weather app. Eventually, in time, it was acquired by Apple, where the forecast and some core features were incorporated into Apple Weather.

2645

Who is vfmaddrnd231pd?

vfmaddrnd231pd is a unique instruction from the FMA instruction set. Most instructions in that set have mnemonics like vfmadd231pd, but here rnd means something very specific. The Intel Software Development Manual documents it as: VFMADDRND231PD – Fused Multiply-Add of Packed Double-Precision Floating-Point Values…