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posco

HN member
Joined
Wed, Jan 11, 2012, 5:55 PM UTC
HN karma
171
Public activity
14 items

About posco

https://twitter.com/posco

Recent public activity

  1. comment
    Comment #37470286

    The amazing page computes binary relations between pairs of regular expressions and shows a graphical representation of the DFA. It’s a really incredible demonstration of some high…

  2. story
  3. comment
    Comment #35905625

    Great implementation is genius.

  4. comment
    Comment #32504286

    But they are paying $2/kwhr aren’t they? They are socializing those costs. Am I misunderstanding something?

  5. comment
    Comment #31107864

    Perhaps they would remove it if they are concerned their platform could be incentivizing wrong, dangerous or stupid behavior and they worry about the brand damage that does or have…

  6. comment
    Comment #28739848

    Predicting 50% can be validated: if I say a coin will be heads 50% of the time, I know more than nothing: I know more than someone who incorrectly claims it will be heads 75% of th…

  7. comment
    Comment #28009677

    Somewhat related: this scala library I coauthored is named after the Paige compositor: https://github.com/typelevel/paiges

  8. comment
    Comment #23339852

    A big reason to use IO as a value (which IMO is a better name than IO monad), is the same in all languages: reasoning about immutable values is easier than side effects. If we can …

  9. comment
    Comment #22578608

    Having this with rust could be a very powerful combo.

  10. comment
    Comment #21546045

    “ In any case, the model makes a testable prediction. If the sunspots are less frequent over the coming 20 years, she was right!” Interesting goal posts: scientist working on carbo…

  11. comment
    Comment #20280692

    No, but surprisingly frequently this property holds: if your function is generic enough, there is only one (or a small number) of possible implementations that type check. Leveragi…

  12. comment
    Comment #7356276

    The global Mode is gone in 0.9.0. And there is an implicit from Grouped to TypedPipe, so you don't need to call .toTypedPipe (that directly seems less likely to cause problems, esp…

  13. comment
    Comment #7350501

    Quick point: 1) Scalding has a DObject like type: ValuePipe[+T]. 2) The reason you must explicitly call .group to go to a keyed type is that is costly to do a shuffle, this makes i…

  14. comment
    Comment #3768721

    If you're interested in scalding, Edwin Chen's awesome recommendation post can't be beat: http://blog.echen.me/2012/02/09/movie-recommendations-and-mo...