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cpa

HN member
Joined
Tue, Jul 05, 2011, 12:42 PM UTC
HN karma
1,026
Public activity
193 items

About cpa

meet.hn/city/fr-Paris @charlespierre@piaille.fr

Recent public activity

  1. comment
    Comment #49197670

    At $JOB, I use the Pareto frontier all the time. If one option is at least as good on every relevant dimension and better on one, just pick it. That's not really a trade-off, and i…

  2. comment
    Comment #48934385

    https://en.wikipedia.org/wiki/Corv%C3%A9e

  3. comment
    Comment #48852437

    It's nice to be rich.

  4. comment
    Comment #48834534

    This space is very active. I work at the French mapping agency, and we're currently building MCPs to work with our data. See: https://github.com/ignfab/geocontext (French) Beta MCP…

  5. comment
    Comment #48707469

    Something something AI

  6. comment
    Comment #48602163

    https://terrytao.wordpress.com/career-advice/theres-more-to-...

  7. comment
    Comment #48477434

    Super cool! I did something similar (in terms of visualisation) a few years back, a map of cities by their birthdate on wikipedia: https://cpa.github.io/wiki-cities-birthdates/

  8. comment
  9. comment
    Comment #48161312

    For those wondering what it's for: it's basically NumPy + a JIT compiler with standard Haskell syntax (you mostly just need to change the type signatures, not the code). It can vec…

  10. story
  11. story
    Show HN: Multiplayer Voronoi

    A multiplayer hommage to Jean-Michel Sanejouand's Jeu de Topo (1963), a game with no winner or loser where partners arrange stones until both points of view are satisfied. Here, st…

  12. comment
    Comment #47959103

    Pretty cool! I've spent a lot of time wrapping my head around monads; whenever I thought I "got it," I would come across some exotic monad that completely blew my mind. The best wa…

  13. comment
    Comment #47922289

    I thought it'd be the male version of https://www.thehairpin.com/women-laughing-alone-with-salad/

  14. comment
    Comment #47803056

    Top comment of a frontpage post, you're not doing that bad at marketing.

  15. comment
    Comment #47552464

    Interesting, but how is the trust signal measured? I couldn’t find this information

  16. comment
    Comment #47309170

    As member of OSCE, they have observers although it’s fairly light. https://odihr.osce.org/odihr/elections/usa/580111

  17. comment
    Comment #47178666

    Another good read: https://www.scu.edu/ethics/focus-areas/business-ethics/resou...

  18. comment
    Comment #47022411

    Pretty cool to have a first-class tracing mechanism. Obviously... it's a monad! Haskell has had a MonadTrace monad for a long time, that can be switched on or off depending on your…

  19. comment
    Comment #46936708

    It reminds me of when I used to write lisp, where code is data. You can abuse reflection (and macros) to great effect, but you never feel safe. See also: string interpolation and S…

  20. comment
    Comment #46923428

    To add to sibling comment, if you have streaming data you have to update the whole index every time with r/kd trees whereas with H3 you just compute the bin, O(1) instead of O(log …

  21. comment
    Comment #46922679

    The big reason is that H3 is data independant. You put your data in predefined bins and then join on them, whereas kd/r trees depend on the data and building the trees may become p…

  22. story
  23. comment
    Comment #46565341

    Absolutely true. It's even the subject of many memes! search for "c15 memes".

  24. comment
    Comment #46486745

    Am I reading an AI trying to trick me into becoming its subordinate?

  25. comment
    Comment #46309683

    Companies don’t have a legal obligation to publicly disclose revenue in many countries, so if you’re selling business insights you’re always on the lookout for indicators that can …