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  3. Most head-slapping feature in a language

Most head-slapping feature in a language

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  • C Chris Maunder

    @Forogar and I were having a chat about unintended programming features (ahem) due to things like: Javascript's truthy: "1" == 1 is true Rexx: " Hello " == "Hello" and 0.0 == 0 is not the same as 0 == 0.0 SQL: Len("hello") = Len("hello ") I'm just wondering what other family favourites there are out there. (Edited because clearly I’ve lost track of what’s up and what’s down)

    cheers Chris Maunder

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    Asday
    wrote on last edited by
    #25

    >`"1" === 1 is true` What? `is` is not a keyword in js, and `"1" === 1` evaluates as `false`. What's going on here?

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    • C Chris Maunder

      @Forogar and I were having a chat about unintended programming features (ahem) due to things like: Javascript's truthy: "1" == 1 is true Rexx: " Hello " == "Hello" and 0.0 == 0 is not the same as 0 == 0.0 SQL: Len("hello") = Len("hello ") I'm just wondering what other family favourites there are out there. (Edited because clearly I’ve lost track of what’s up and what’s down)

      cheers Chris Maunder

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      Kirk 10389821
      wrote on last edited by
      #26

      In the old fortran stuff: 3 = 9 And change the value of 3 to 9 (Because some nimrod decided to declare numeric constants as variables?) LMAO. But they fix everything by adding an =, so we get =, ==, ===... I am waiting to read some code:

      if (x ======= y) // equal on 7 planes of existence

      and

      if (x ======== y) // A fuzzy version of the above allowing for LESS Equality to be Equal, LMAO

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      • C Chris Maunder

        @Forogar and I were having a chat about unintended programming features (ahem) due to things like: Javascript's truthy: "1" == 1 is true Rexx: " Hello " == "Hello" and 0.0 == 0 is not the same as 0 == 0.0 SQL: Len("hello") = Len("hello ") I'm just wondering what other family favourites there are out there. (Edited because clearly I’ve lost track of what’s up and what’s down)

        cheers Chris Maunder

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        jfren484
        wrote on last edited by
        #27

        "1" === 1 is true

        Umm, this statement is false. Put "1" === 1 into the dev tools console and it will output false.

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        • M markchagers

          erm, typo?

          "1" === 1 is false
          "1" == 1 is true (truthy rather)

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          Chris Maunder
          wrote on last edited by
          #28

          I don’t even know anymore. I’m so confused.

          cheers Chris Maunder

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          • B BryanFazekas

            Re-read the OP. Chris didn't state he was going to slap his own head .... :laugh:

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            MacSpudster
            wrote on last edited by
            #29

            Y'all need to re-read my comment. Never did imply nor explicitly express Chris did or would do that. :doh:

            The best way to improve Windows is run it on a Mac. The best way to bring a Mac to its knees is to run Windows on it. ~ my brother Jeff

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            • C Chris Maunder

              @Forogar and I were having a chat about unintended programming features (ahem) due to things like: Javascript's truthy: "1" == 1 is true Rexx: " Hello " == "Hello" and 0.0 == 0 is not the same as 0 == 0.0 SQL: Len("hello") = Len("hello ") I'm just wondering what other family favourites there are out there. (Edited because clearly I’ve lost track of what’s up and what’s down)

              cheers Chris Maunder

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              Timothy Purdy
              wrote on last edited by
              #30

              I just loved seeing C/C++ code from colleagues too lazy to comment out a block of code (and letting it sit there for years) via: #if 0 ... #endif I should just go back to clean it out, but now it's nostalgic for me. :-)

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              • C Chris Maunder

                I don’t even know anymore. I’m so confused.

                cheers Chris Maunder

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                MikeTheFid
                wrote on last edited by
                #31

                Wait 5 years. It will be:

                "1" ============== 1

                As in, "I really really really really really really really really really want to know if it's really really really really really really really really somewhat mildly truthy."

                Cheers, Mike Fidler "I intend to live forever - so far, so good." Steven Wright "I almost had a psychic girlfriend but she left me before we met." Also Steven Wright "I'm addicted to placebos. I could quit, but it wouldn't matter." Steven Wright yet again.

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                • P Peter_in_2780

                  I had a colleague who insisted on occasionally writing the (perfectly valid but ummm counter-intuitive) form

                  index[array]

                  in C. He also worked out some multi-dimensional extensions, which my marginal brain is too small to contain. And yes, he did have a shot at the The International Obfuscated C Code Contest[^] Cheers, Peter

                  Software rusts. Simon Stephenson, ca 1994. So does this signature. me, 2012

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                  Alister Morton
                  wrote on last edited by
                  #32

                  Yes, I was (long ago) proudly shown char c = i["Some string"];

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                  • P Peter_in_2780

                    I had a colleague who insisted on occasionally writing the (perfectly valid but ummm counter-intuitive) form

                    index[array]

                    in C. He also worked out some multi-dimensional extensions, which my marginal brain is too small to contain. And yes, he did have a shot at the The International Obfuscated C Code Contest[^] Cheers, Peter

                    Software rusts. Simon Stephenson, ca 1994. So does this signature. me, 2012

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                    A Offline
                    Alister Morton
                    wrote on last edited by
                    #33

                    Yes, I was (long ago) proudly shown char c = i["Some string"]; - perfectly valid if not immediately obvious to the beginner.

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                    • P Peter_in_2780

                      I had a colleague who insisted on occasionally writing the (perfectly valid but ummm counter-intuitive) form

                      index[array]

                      in C. He also worked out some multi-dimensional extensions, which my marginal brain is too small to contain. And yes, he did have a shot at the The International Obfuscated C Code Contest[^] Cheers, Peter

                      Software rusts. Simon Stephenson, ca 1994. So does this signature. me, 2012

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                      englebart
                      wrote on last edited by
                      #34

                      I had never thought about pointer arithmetic being commutative before... seems consistent at least. int index = 1; char *address = "String"; index[address] is the same as *(index + address) address[index] is the same as *(address + index) + implicitly includes the size of the base data type. (char) If this was attempted with variables instead of constants, you might end up with memory protection issues. Most OSes would not want you to start a loop by loading memory address 1 into a register. They would let you load the memory address of "String"

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                      • C Chris Maunder

                        @Forogar and I were having a chat about unintended programming features (ahem) due to things like: Javascript's truthy: "1" == 1 is true Rexx: " Hello " == "Hello" and 0.0 == 0 is not the same as 0 == 0.0 SQL: Len("hello") = Len("hello ") I'm just wondering what other family favourites there are out there. (Edited because clearly I’ve lost track of what’s up and what’s down)

                        cheers Chris Maunder

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                        D Offline
                        Dan Neely
                        wrote on last edited by
                        #35

                        On Error Resume Next

                        /thread

                        Did you ever see history portrayed as an old man with a wise brow and pulseless heart, weighing all things in the balance of reason? Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful? --Zachris Topelius Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies. -- Sarah Hoyt

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                        • C Christian Graus

                          I remember being frustrated by the fact C# 1.0 had a default container called ArrayList. Is it an Array, or a List? These are very different things. Is it a fancy container that somehow has worked out how to get the benefits of both? The documentation never said.

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                          Gary Wheeler
                          wrote on last edited by
                          #36

                          Christian Graus wrote:

                          The documentation never said

                          The very reason I never used the stupid thing.

                          Software Zen: delete this;

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