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Daniel Brain

Personal blog · bluepnume.medium.comprogrammingeconomics

Daniel Brain's personal blog at bluepnume.medium.com covers programming and economics. Since 2021, 3 different Hacker News readers have linked it 21 times, most often “The shortest, strangest engineering interview I've ever done”. It is still writing: the last post was on 2026-05-27, and you can follow it by feed.

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21mentions?
3HN people?
2021–2026first – last linked?
Links on Hacker News per year · peak 9 in 2021

Most-linked posts?

  1. The shortest, strangest engineering interview I've ever done
    2 people · 2 mentions · first linked 2024-08-16

What Hacker News says?

  1. bluepnume · 2022-02-10
    Classes are fine so long as: - They're small and single-purposed - They don't inherit (or at the very least, extremely light inheritance) - There's a very clear relationship between the state and the methods (e.g. a counter class, or a future/promise) For example in JavaScript, I think you can still uses classes and end up with functional-ish code: https://bluepnume.medium.com/functional-ish-javascript-205c0...

    Comment linking /functional-ish-javascript-205c05d0ed08

    on “Case against OOP is understated, not overstated (2020)”
  2. bluepnume · 2022-08-25

    Submitted Subscriptions are out, refills are in as a story · 152 points

    HN discussion
  3. bubblehack3r · 2024-08-16

    Submitted The shortest, strangest engineering interview I've ever done as a story · 82 points

    HN discussion
  4. bluepnume · 2022-08-05

    Submitted You don't know jack about SMS as a story · 28 points

    HN discussion
  5. bluepnume · 2024-08-16

    Submitted The shortest, strangest engineering interview I've ever done as a story · 22 points

    HN discussion
  6. bluepnume · 2021-06-22

    Submitted Learning about Bitcoin by building it in JavaScript as a story · 6 points

    HN discussion
  7. bluepnume · 2021-06-21

    Submitted Fooled by Certainty: A short counter of Taleb's Bitcoin analysis as a story · 5 points

    HN discussion
  8. bluepnume · 2021-06-13

    Submitted Bitcoin: Cutting Through the Bullshit as a story · 4 points

    HN discussion
  9. bluepnume · 2022-10-19

    Submitted I’m interviewing a little differently this time round as a story · 3 points

    HN discussion
  10. bluepnume · 2022-10-08

    Submitted It’s not actually supposed to be difficult. as a story · 3 points

    HN discussion
  11. bluepnume · 2022-09-12

    Submitted DTC brands have a blind spot: vaulting as a story · 3 points

    HN discussion
  12. bluepnume · 2022-12-15

    Submitted Nine terrible ways to use TypeScript enums, and one good way as a story · 2 points

    HN discussion
  13. bluepnume · 2021-05-21

    Submitted Building Bitcoin in JavaScript as a story · 2 points

    HN discussion
  14. donutloop · 2021-02-01

    Submitted Show HN: The next chapter of BrainBlocks: open-source as a story · 2 points

    HN discussion
  15. bluepnume · 2026-05-27

    Submitted TypeScript's number type is a lie as a story · 1 points

    HN discussion
  16. bluepnume · 2025-06-10

    Submitted A slighly better useState as a story · 1 points

    HN discussion
  17. bluepnume · 2022-12-02

    Submitted The only kind of test I write as a story · 1 points

    HN discussion
  18. bluepnume · 2021-09-19

    Submitted The Magic of Serializing Functions as a story · 1 points

    HN discussion
  19. bluepnume · 2021-07-10

    Submitted Functional-Ish JavaScript as a story · 1 points

    HN discussion
  20. bluepnume · 2021-06-16

    Submitted You don’t need S2F to value Bitcoin as a story · 1 points

    HN discussion
  21. bluepnume · 2021-03-31

    Submitted Why Bitcoin? as a story · 1 points

    HN discussion

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