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propensive's profile
Jon Pretty
Jon Pretty
Jon Pretty
@propensive

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Jon Pretty

@propensive

Supporting Scala through professional training and open-source software. Responsible for Magnolia, Fury, Scala World and Functional Africa.

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propensive.com
Joined July 2010

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    1. Jon Pretty‏ @propensive 26 Jun 2019

      Ok, Twitter, what's your best explanation for why I'm seeing `5.100ms` ping times?pic.twitter.com/mIdok50NaB

      5 replies 2 retweets 1 like
    2. Rúnar‏ @runarorama 26 Jun 2019
      Replying to @propensive

      printf("%.*f", 3, pingTime)

      2 replies 0 retweets 1 like
      Jon Pretty‏ @propensive 26 Jun 2019
      Replying to @runarorama

      I'm seeing ping-times of both 6.00ms and 5.100ms. I suspect one is rounding up from 5.995 and one is rounding down from 6.005. It's a little concerning, though.

      5:39 AM - 26 Jun 2019
      2 replies 0 retweets 0 likes
        1. New conversation
        1. Rúnar‏ @runarorama 26 Jun 2019
          Replying to @propensive

          The format string is asking for a maximum of 3 significant digits after the decimal point.

          1 reply 0 retweets 0 likes
        2. Rúnar‏ @runarorama 26 Jun 2019
          Replying to @runarorama @propensive

          5.100 is almost certainly rounded down from a number between 5.1 and 5.1005 exclusive.

          1 reply 0 retweets 0 likes
        3. Show replies
        1. Rúnar‏ @runarorama 26 Jun 2019
          Replying to @propensive

          Mathematica has this behaviourpic.twitter.com/k5fcKLA6CC

          0 replies 0 retweets 2 likes
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