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    Dev Genius

    medium.com/dev-genius · Publication · on HN since 2020

    A Medium publication collecting developer articles on Python, web development, cloud tools, testing, and assorted programming topics from many authors.

    Visit blogHN submissions
    ProgrammingWeb Development
    What HN says

    Commenters mostly link to individual articles here, such as the webcam heart rate piece and one on test-driven development, rather than discussing the publication.

    Stats for nerds
    36HN people shared it
    48linked in comments
    134story points
    Jan 2026last shared
    2020people per year2026

    Top posts on HN

    1. 1
      A principled approach to GraphQL query cost analysis
      1 person · 46 points · first shared 2020 · 11 comments on HN
    2. 2
      All about Parameters and Widgets in Databricks Workflows (2024)
      1 person · 9 points · first shared 2025 · Discussion on HN
    3. 3
      Remote Heart Rate Detection Using Webcam and 50 Lines of Code
      2 people · 7 points · first shared 2021 · 2 comments on HN
    4. 4
      Are 14 people looking at that product? (2020)
      2 people · 6 points · first shared 2020 · Discussion on HN
    5. 5
      New String Methods to Remove Prefixes and Suffixes in Python 3.9
      1 person · 4 points · first shared 2021 · Discussion on HN
    6. 6
      Versioned Cache Keys Can Save You During Rolling Deployments
      2 people · 3 points · first shared 2025 · 1 comments on HN
    7. 7
      Well-Known Locations: A Reserved URI Path Prefix, an Introduction and Its Uses
      1 person · 3 points · first shared 2020 · Discussion on HN
    8. 8
      Programmers Are Also Artists
      1 person · 3 points · first shared 2020 · Discussion on HN
    9. 9
      Landings over Launches – how Google thinks about building successful products
      1 person · 2 points · first shared 2020 · Discussion on HN
    10. 10
      Quick Pieces of Programming Advice You Never Asked For
      1 person · 2 points · first shared 2020 · Discussion on HN

    What HN people wrote when they linked it

    • javawizardJan 2026

      Plenty of sources suggest it is:

      https://github.com/giladoved/webcam-heart-rate-monitor

      https://medium.com/dev-genius/remote-heart-rate-detection-using-webcam-and-50-lines-of-code-2326f6431149

      The Reddit comments on that second one have examples of people doing it with low quality webcams: https://www.reddit.com/r/programming/comments/llnv93/remote_heart_rate_detection_using_webcam_and_50/

      It's honestly amazing that this is doable.

    • CharlieDigitalNov 2025

      Yes, I am very aware of this and have spent a lot of time/effort trying to dispel some of these myths and mis-understandings through writing.

      - TypeScript is like C#: https://typescript-is-like-csharp.chrlschn.dev/

      - 6 .NET Myths Dispelled: https://medium.com/dev-genius/6-net-myths-dispelled-celebrating-21-years-of-net-652795c2ea27

      - The Case for C# and .NET: https://itnext.io/the-case-for-c-and-net-72ee933da304

    • chandrasetaAug 2020

      sorry, i thought i shared the paywall-free link, here it is https://medium.com/dev-genius/what-to-do-after-accidental-rm-rf-ba544a6b2564?source=friends_link&sk=aa27829ff396797f1f86d73d1e4a1059

    • dchackeJun 2020

      No, because commas suck: https://medium.com/dev-genius/the-case-against-commas-and-operators-22d50010ca33?source=friends_link&sk=6ea2de496d5216ab07fe4db43dbe856e

    • greenyodaJan 2021

      This article explains it: https://medium.com/dev-genius/detroit-and-london-schools-of-test-driven-development-3d2f8dca71e5

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