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Programming@programming.devbylearnbyexample@programming.dev
2 years

The code worked differently when the moon was full

www.hanselman.com English
10
    I love a good bug, especially ones that are initially hard to explain but then ...
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    • mox@lemmy.sdf.org
      2 years

      “We can’t send mail farther than 500 miles from here…”

      http://www.ibiblio.org/harris/500milemail.html

        • hallettj@leminal.spaceEnglish
          2 years

          I love these stories! There’s also,

          • radioactive cows
          • the high-tide bug
          • OpenOffice does not print on Tuesdays

          And now that I’ve gone searching for these I see that they’ve all been helpfully collected on http://beza1e1.tuxen.de/lore/index.html

            • Pantrygheist@programming.dev
              2 years

              Those are great stories, thanks for sharing!

              • jkrtn@lemmy.ml
                2 years

                http://www.penzba.co.uk/GreybeardStories/TheBlackTeam.html

                  • gravitas_deficiency@sh.itjust.worksEnglish
                    2 years

                    Apparently, back in the days when a hard drive was the size of a clothes dryer, some enterprising engineering students would hack the device drivers so they could make the thing gradually scoot itself across the room using nothing but well-timed drive head thrashing.

                      • jkrtn@lemmy.ml
                        2 years

                        That’s awesome. What a student thing to do, as well!

                • perviouslyiner@lemmy.world
                  2 years

                  tldr: the code worked differently when a signed version of gettickcount was negative, giving a change that repeats over 49.7 days

                  • Hector_McG@programming.dev
                    2 years

                    The moon phase cycle is 29.5 days. The reported bug cycle is 49 days. Yet somehow, “Not strictly the cycle of the moon but close”.

                    With that sort of logical analysis ability, no wonder this guy struggles with stupid bugs.

                    • WalrusByte@lemmy.worldEnglish
                      2 years

                      That code has a werewolf in it!

                      • anti-idpol action@programming.dev
                        2 years

                        impure functions and their consequences

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