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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,955 posts.

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2026
2647

What is malloc doing, anyway?

malloc has a very nice and simple interface: you ask for a certain amount of memory, and you’re given a void pointer to your block of contiguous bytes that’s been magicked into existence. Once you’re done with it, you call free with the same pointer and the memory disappears into the ether.

2650

CERN to host a new phase of Open Research Europe

In an important step for open science, CERN has been selected to host a new phase of Open Research Europe (ORE) , an initiative supported by the European Commission and a new funding consortium of European national funding agencies and research organisations. Aligned with the Action Plan for Diamond Open Access (2022)…

2654

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.

2658

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…