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oddly specific

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  • N [email protected]
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    J This user is from outside of this forum
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    wrote last edited by
    #9

    Since you start counting from zero, the byte limit should be 255 = 2^8 - 1.

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    • N [email protected]
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      chozo@fedia.ioC This user is from outside of this forum
      chozo@fedia.ioC This user is from outside of this forum
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      wrote last edited by
      #10

      Source.

      This isn't a "tech article", it's an article about tech. This is a normie article from a normie news outlet for normie readers.

      Also from the article:

      A previous version of this article said it was "not clear why WhatsApp settled on the oddly specific number." A number of readers have since noted that 256 is one of the most important numbers in computing, since it refers to the number of variations that can be represented by eight switches that have two positions - eight bits, or a byte. This has now been changed. Thanks for the tweets. DB

      M 1 Reply Last reply
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      • N [email protected]
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        mr_satan@lemmy.zipM This user is from outside of this forum
        mr_satan@lemmy.zipM This user is from outside of this forum
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        wrote last edited by
        #11

        Wouldn't max value for 8 bit (unsigned) integer be 255? Like the number has 256 distinct values, but that includes 0.

        S 1 Reply Last reply
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        • chozo@fedia.ioC [email protected]

          Source.

          This isn't a "tech article", it's an article about tech. This is a normie article from a normie news outlet for normie readers.

          Also from the article:

          A previous version of this article said it was "not clear why WhatsApp settled on the oddly specific number." A number of readers have since noted that 256 is one of the most important numbers in computing, since it refers to the number of variations that can be represented by eight switches that have two positions - eight bits, or a byte. This has now been changed. Thanks for the tweets. DB

          M This user is from outside of this forum
          M This user is from outside of this forum
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          wrote last edited by
          #12

          That weird ass explanation with switches and "one of the most important numbers" still sounds absolutely clueless.

          M 1 Reply Last reply
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          • N [email protected]
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            wrote last edited by
            #13

            Yep very weird, should have been 255.

            D 1 Reply Last reply
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            • mr_satan@lemmy.zipM [email protected]

              Wouldn't max value for 8 bit (unsigned) integer be 255? Like the number has 256 distinct values, but that includes 0.

              S This user is from outside of this forum
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              wrote last edited by
              #14

              If this is about a counter for users in the chat, sure. But if this is an array of users indexed by an 8-bit number, then it will fit 256 slots with the first slot being numbered 0.

              J 1 Reply Last reply
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              • P [email protected]

                Yep very weird, should have been 255.

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                wrote last edited by
                #15

                No, you can't have a group of zero, so the counter doesn't need to waste a position counting zero.

                jackbydev@programming.devJ 1 Reply Last reply
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                • N [email protected]
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                  wrote last edited by
                  #16

                  Numbers guy here, I can confirm 256 is an evenly specific number, and not an oddly specific number.

                  C buboscandiacus@mander.xyzB Q banazir@lemmy.mlB B 5 Replies Last reply
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                  • N [email protected]
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                    wrote last edited by
                    #17

                    Shout out to Castlevania II, where you can hold anywhere from 0 to 256 laurels. Yes, you read that right -- 256, not 255. I inspected RAM to double check. It's a 16-bit word on an 8-bit system with a maximum value of 0x100. They could have used 8 bits instead of 16. But no, they really did choose this arbitrary number.

                    N jackbydev@programming.devJ J 3 Replies Last reply
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                    • P [email protected]

                      Numbers guy here, I can confirm 256 is an evenly specific number, and not an oddly specific number.

                      C This user is from outside of this forum
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                      wrote last edited by
                      #18

                      Oh yeah well if you're some sort of numbers guy, answer me this: I think you're name is super cool, and makes me wonder, is there a largest prime you can make listing digits of pi starting from the beginning. There's gotta be infinite right?

                      addie@feddit.ukA 1 Reply Last reply
                      0
                      • P [email protected]

                        Numbers guy here, I can confirm 256 is an evenly specific number, and not an oddly specific number.

                        buboscandiacus@mander.xyzB This user is from outside of this forum
                        buboscandiacus@mander.xyzB This user is from outside of this forum
                        [email protected]
                        wrote last edited by
                        #19

                        Oh you are the numbers guy ? Name every number

                        K 1 Reply Last reply
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                        • J [email protected]

                          Shout out to Castlevania II, where you can hold anywhere from 0 to 256 laurels. Yes, you read that right -- 256, not 255. I inspected RAM to double check. It's a 16-bit word on an 8-bit system with a maximum value of 0x100. They could have used 8 bits instead of 16. But no, they really did choose this arbitrary number.

                          N This user is from outside of this forum
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                          wrote last edited by
                          #20

                          Maybe they keep some other data in the same space using bitmask?

                          J 1 Reply Last reply
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                          • buboscandiacus@mander.xyzB [email protected]

                            Oh you are the numbers guy ? Name every number

                            K This user is from outside of this forum
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                            wrote last edited by
                            #21

                            0, 1, 2, 3, 4, 5, 6, 7, 8, 9

                            O V 2 Replies Last reply
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                            • C [email protected]

                              Oh yeah well if you're some sort of numbers guy, answer me this: I think you're name is super cool, and makes me wonder, is there a largest prime you can make listing digits of pi starting from the beginning. There's gotta be infinite right?

                              addie@feddit.ukA This user is from outside of this forum
                              addie@feddit.ukA This user is from outside of this forum
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                              wrote last edited by
                              #22

                              Well, three is prime and pi starts with a three, therefore, even if there's larger primes, there is one which is the largest. QED.

                              C 1 Reply Last reply
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                              • addie@feddit.ukA [email protected]

                                Well, three is prime and pi starts with a three, therefore, even if there's larger primes, there is one which is the largest. QED.

                                C This user is from outside of this forum
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                                wrote last edited by
                                #23

                                Unless there isn't one that's the largest because there are infinite primes.

                                jackbydev@programming.devJ 1 Reply Last reply
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                                • N [email protected]
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                                  wrote last edited by
                                  #24

                                  A previous version of this article said it was "not clear why WhatsApp settled on the oddly specific number." A number of readers have since noted that 256 is one of the most important numbers in computing, since it refers to the number of variations that can be represented by eight switches that have two positions - eight bits, or a byte.

                                  Lol, weird way to say that 256 is a power of two, and computers operate in base two.

                                  jackbydev@programming.devJ O 2 Replies Last reply
                                  27
                                  • P [email protected]

                                    Numbers guy here, I can confirm 256 is an evenly specific number, and not an oddly specific number.

                                    Q This user is from outside of this forum
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                                    wrote last edited by
                                    #25

                                    As the numbers guy. Do you remember the name of the site that can tell you the what a given number is often associated with?

                                    P jackbydev@programming.devJ 2 Replies Last reply
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                                    • N [email protected]
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                                      wrote last edited by
                                      #26

                                      I remember being puzzled by this and many other numbers that kept cropping up. 32, 64, 128, 256, 1024, 2048... Why do programmers and electronic engineers hate round numbers? The other set of numbers that was mysterious was timber and sheet materials. They cut them to 1220 x 2440mm and thicknesses of 18 and 25mm. Are programmers and the timber merchants part of some diabolical conspiracy?

                                      S jackbydev@programming.devJ 2 Replies Last reply
                                      10
                                      • B [email protected]

                                        I remember being puzzled by this and many other numbers that kept cropping up. 32, 64, 128, 256, 1024, 2048... Why do programmers and electronic engineers hate round numbers? The other set of numbers that was mysterious was timber and sheet materials. They cut them to 1220 x 2440mm and thicknesses of 18 and 25mm. Are programmers and the timber merchants part of some diabolical conspiracy?

                                        S This user is from outside of this forum
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                                        wrote last edited by
                                        #27

                                        They just do it to look cool in front of their developer friends.

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                                        • Q [email protected]

                                          As the numbers guy. Do you remember the name of the site that can tell you the what a given number is often associated with?

                                          P This user is from outside of this forum
                                          P This user is from outside of this forum
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                                          wrote last edited by
                                          #28

                                          Wikipedia often has disambiguation pages for numbers that may be helpful in a search like this (https://en.m.wikipedia.org/wiki/71).

                                          WolframAlpha is good for identifying numerical properties of numbers (https://www.wolframalpha.com/input?i=71).

                                          OEIS has a searchable set of sequences (https://oeis.org/search?q=71&language=english&go=Search)

                                          I fear that none of these is what you're looking for, though. My attempts to find something that sounds like what you want mostly turned up resources on numerology, and at least one article apparently about how the meaning of numbers is radically different between cultures.

                                          Q 1 Reply Last reply
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