Show HN: I open sourced the QR designer from my failed startup
553 by koch | 58 comments on Hacker News.
My designer is somewhat special, if I do say so myself, as it allows you to put arbitrary designs in the middle area of the QR while still being totally scannable.
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U.S. Postal Service starts nationwide electric vehicle fleet, buying 9,250 EVs 444 by lxm | 336 comments on Hacker News.
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Learn Postgres at the Playground – Postgres compiled to WASM running in browser 543 by samwillis | 144 comments on Hacker News.
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Show HN: Tetris in a PDF 962 by ThomasRinsma | 173 comments on Hacker News. I realized that the PDF engines of modern desktop browsers (P...