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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,969 posts.

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2026
5674

What it takes to transpose a matrix

Classical CPU architecture is a poor choice for performing matrix-oriented computations. Developers have to spend much effort to create efficient algorithms even for the problems appearing trivial on the surface. Matrix transpose is probably the most striking representative of such problems. It exposes numerous…

5687

Can Claude Fly a Plane?

I asked Claude to look up the X-Plane 12 API and try to fly a Cessna from Hainan to somewhere nearby. It kept a pilot's log. Everything below is Claude's own notes from during the flight. I occasionally had to remind it to keep the pilot log running, and had to tell it when it crashed as xplane would quickly restart…

5699

Felix and I

He is young – twenty four – sitting at the black computer table by the wall of his living room. I’m looking at him side-on. He’s silhouetted by the huge window with a gorgeous view of the neighbourhood church. Green trees outside. The sun is shining brightly. It’s summer. Probably “The Hot Summer”, when our friends G…