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Cheng Lou
8,476 posts
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Cheng Lou
@_chenglou
Worked on: @reactjs, @messenger, @reasonml, @rescriptlang Currently: @midjourney, Pretext
California, USA
chenglou.me
Joined January 2015
454
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69K
Followers
  • Pinned
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    Cheng Lou
    @_chenglou
    Mar 14
    I’m very happy to present my toy research project: Sotaku! It's a neural net that automatically discovered the rules of sudoku and learned to solve them, achieving a new state-of-the-art score of 98.9% on one of the hardest sudoku datasets, while being agnostic to the game, and
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    231K
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    Cheng Lou
    @_chenglou
    Jan 25, 2025
    When your date sends you the simplest message
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    690K
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    Cheng Lou
    @_chenglou
    Oct 22, 2025
    It finally happened. I've got a giant merge conflict and both sides were vibe coded and I don't recognize either. Now I'm vibe merging the conflicts too
    469K
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    Cheng Lou
    @_chenglou
    Sep 24, 2025
    How's nobody talking about the hand-rolled Apple UI
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    Riley Walz
    @rtwlz
    Sep 23, 2025
    I reverse engineered the San Francisco parking ticket system. I can see every ticket seconds after it's written So I made a website. Find My Friends? AVOID THE PARKING COPS.
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    1.1M
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    Cheng Lou
    @_chenglou
    Feb 7, 2025
    Worst thing to do when you're full of agency is to wake up and browse Twitter
    255K
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    Cheng Lou
    @_chenglou
    Feb 24, 2025
    Only $0.08 to show the files in my folders! Checkmate programmers
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    263K
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    Cheng Lou
    @_chenglou
    Oct 29, 2025
    As someone with a bit of insider info (sorry for baiting), I can tell you that the current trajectory for Apple would likely have been better off if he ended up CEO. Look up his background and interests I’ll forever be a Forstall simp. The guy can code & coded the right things
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    Aaron
    @aaronp613
    Oct 29, 2025
    Scott Forstall was fired from Apple 13 years ago today after the disastrous launch of Apple Maps
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    720K
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    Cheng Lou
    @_chenglou
    Dec 30, 2024
    Btw airbus uses the CompCert, a formally verified C compiler written in Cow and OCaml, by by the creator of OCaml himself. Basically zero bug
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    @levelsio
    @levelsio
    Dec 29, 2024
    The ONLY planes left with ZERO fatal accidents now: 🇪🇺 Airbus A350 🇪🇺 Airbus A380 🇨🇳 Comac C919 🇪🇺 Airbus A319/A320/A321 Neo 🇪🇺 Airbus A340 🇺🇸 Boeing 717 (MD-95) 🇺🇸 Boeing 747-8 🇪🇺 Airbus A300 Beluga 🇺🇸 Boeing 787 Dreamliner 🇺🇸 SpaceX Crew Dragon From my site
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    402K
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    Cheng Lou
    @_chenglou
    Jan 7, 2022
    Using React
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    Cheng Lou
    @_chenglou
    Aug 30, 2024
    - Owns VSCode - Owns GitHub - Owns OpenAI (basically) - Owns npm - Pioneered in-editor AI with a 3-year lead - Drops the ball on editor autocompletion to indies Is Copilot ok
    253K
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    Cheng Lou
    @_chenglou
    Nov 6, 2025
    Midjourney runs fully on Bun Server side routing: Bun Runtime: Bun Client side bundling: Bun Scripts: Bun Real-time generation previews: Bun No framework beside vanilla React and no data management library. This enabled us to scale the site to millions with only ~5 full-timers.
    530K
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    Cheng Lou
    @_chenglou
    Jan 2, 2023
    Happy new year! Here's a new, mini cards demo, using the same architecture as my previous image gallery (chenglou.me), with extra UX details: spring, flicks, perf, etc. Try it at chenglou.me/demo_drag/ Code at github.com/chenglou/cheng… ~150 lines of core logic!
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    00:00
    293K
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    Cheng Lou
    @_chenglou
    Nov 13, 2025
    > because of politics, management wants to shut down PyTorch Sigh. I wish we had pushed through ReasonML/ReScript back at Facebook. But I was spoiled and stupid and ran out of steam against the barrage of internal politics. Kept wondering why things didn't work out. Turned out
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    Deedy
    Menlo Ventures
    @deedydas
    Nov 13, 2025
    If you feel like giving up, you must read this never-before-shared story of the creator of PyTorch and ex-VP at Meta, Soumith Chintala. > from hyderabad public school, but bad at math > goes to a "tier 2" college in India, VIT in Vellore > rejected from all 12 universities for
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    297K
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    Cheng Lou
    @_chenglou
    Nov 13, 2025
    Impression from a >2h Waymo trip: - Good luck uber. Hopefully you can leverage your logistic prowess elsewhere, but coordinating drivers will no longer be a relevant problem in the future - I didn’t go through highway, and Waymo’s a bit slow on local road, but it was an
    user avatar
    Cheng Lou
    @_chenglou
    Nov 13, 2025
    Waymo’s now available across the bay, so the logical thing to do is to ride it from the edge of SF to the edge of Sunnyvale, no highway A 2:30h trip. The longest possible to date. Wish me luck!
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    489K

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