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  3. Once more unto the C++, dear friends, once more

Once more unto the C++, dear friends, once more

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  • P pelnor

    I have not written any C++ code since 2001. Now I'm dragging one of my old dll's out of mothballs to add some new features. Some where in those 8 absent years the garbage collector or my brain declared C++ syntax of no use and deleted it for me. Now I'm staring at my code wondering what all the hieroglyphics are for. Let's see there's this * guy. He's got something to do with pointers. It's attached or next to some of my variables. Then there's ::, <<, >>, wait.... wait, it's coming back to me.... "<<" is super less than. Got it moving on. Then I run into ^. Oh come on! Who thought ^ was a good idea? Linker? what is that? You mean I have to tell this linker of yours where to look for things just so I can compile? There isn't just a magic "make it go button"? This is going to be a long day. Better load up on the caffeine.

    Latest toy built for fun: Web Lens Best feature: Full size images when using Google image search.

    A Offline
    A Offline
    Anthony Mushrow
    wrote on last edited by
    #3

    What have you been working with instead?

    My current favourite word is: Delicious!

    -SK Genius

    Game Programming articles start -here[^]-

    P 1 Reply Last reply
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    • P pelnor

      I have not written any C++ code since 2001. Now I'm dragging one of my old dll's out of mothballs to add some new features. Some where in those 8 absent years the garbage collector or my brain declared C++ syntax of no use and deleted it for me. Now I'm staring at my code wondering what all the hieroglyphics are for. Let's see there's this * guy. He's got something to do with pointers. It's attached or next to some of my variables. Then there's ::, <<, >>, wait.... wait, it's coming back to me.... "<<" is super less than. Got it moving on. Then I run into ^. Oh come on! Who thought ^ was a good idea? Linker? what is that? You mean I have to tell this linker of yours where to look for things just so I can compile? There isn't just a magic "make it go button"? This is going to be a long day. Better load up on the caffeine.

      Latest toy built for fun: Web Lens Best feature: Full size images when using Google image search.

      I Offline
      I Offline
      Ian Shlasko
      wrote on last edited by
      #4

      I remember that syntax! << = Move left >> = Move right ^ = Jump :: = Run * = Shoot a fireball

      pelnor wrote:

      Oh come on! Who thought ^ was a good idea?

      Well what fun is a platformer if you can't jump?

      Proud to have finally moved to the A-Ark. Which one are you in? Developer, Author (Guardians of Xen)

      1 Reply Last reply
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      • P pelnor

        I have not written any C++ code since 2001. Now I'm dragging one of my old dll's out of mothballs to add some new features. Some where in those 8 absent years the garbage collector or my brain declared C++ syntax of no use and deleted it for me. Now I'm staring at my code wondering what all the hieroglyphics are for. Let's see there's this * guy. He's got something to do with pointers. It's attached or next to some of my variables. Then there's ::, <<, >>, wait.... wait, it's coming back to me.... "<<" is super less than. Got it moving on. Then I run into ^. Oh come on! Who thought ^ was a good idea? Linker? what is that? You mean I have to tell this linker of yours where to look for things just so I can compile? There isn't just a magic "make it go button"? This is going to be a long day. Better load up on the caffeine.

        Latest toy built for fun: Web Lens Best feature: Full size images when using Google image search.

        R Offline
        R Offline
        Rama Krishna Vavilala
        wrote on last edited by
        #5

        pelnor wrote:

        Then I run into ^. Oh come on! Who thought ^ was a good idea?

        Are you talking about C++/CLI? Then I agree with you.

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        • R Rama Krishna Vavilala

          pelnor wrote:

          Then I run into ^. Oh come on! Who thought ^ was a good idea?

          Are you talking about C++/CLI? Then I agree with you.

          D Offline
          D Offline
          Dan Neely
          wrote on last edited by
          #6

          ^ is XOR in C++, vs exponentiation in arithmetic. It's retarded.

          The latest nation. Procrastination.

          R J 2 Replies Last reply
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          • D Dan Neely

            ^ is XOR in C++, vs exponentiation in arithmetic. It's retarded.

            The latest nation. Procrastination.

            R Offline
            R Offline
            Rama Krishna Vavilala
            wrote on last edited by
            #7

            Yep! I know that:) but never had any problem with it. But ^ in C++/CLI, also called hat or cap, looks just plain ugly.

            S 1 Reply Last reply
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            • R Rama Krishna Vavilala

              Yep! I know that:) but never had any problem with it. But ^ in C++/CLI, also called hat or cap, looks just plain ugly.

              S Offline
              S Offline
              Single Step Debugger
              wrote on last edited by
              #8

              For some odd reason ^ replaced the _gc in the first CLI.

              The narrow specialist in the broad sense of the word is a complete idiot in the narrow sense of the word. Advertise here – minimum three posts per day are guaranteed.

              R 1 Reply Last reply
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              • S Single Step Debugger

                For some odd reason ^ replaced the _gc in the first CLI.

                The narrow specialist in the broad sense of the word is a complete idiot in the narrow sense of the word. Advertise here – minimum three posts per day are guaranteed.

                R Offline
                R Offline
                Rama Krishna Vavilala
                wrote on last edited by
                #9

                Deyan Georgiev wrote:

                replaced the _gc

                Which was even worse :).

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                • R Rama Krishna Vavilala

                  Deyan Georgiev wrote:

                  replaced the _gc

                  Which was even worse :).

                  N Offline
                  N Offline
                  Nemanja Trifunovic
                  wrote on last edited by
                  #10

                  Rama Krishna Vavilala wrote:

                  Which was even worse

                  I dissagree. Underscores are a standard-sanctioned way to extend the language. There was really no reason to break compatibility with Managed C++ and introduce "C++/CLI".

                  utf8-cpp

                  R 1 Reply Last reply
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                  • D Dan Neely

                    ^ is XOR in C++, vs exponentiation in arithmetic. It's retarded.

                    The latest nation. Procrastination.

                    J Offline
                    J Offline
                    John M Drescher
                    wrote on last edited by
                    #11

                    Dan Neely wrote:

                    It's retarded.

                    Agreed. Although, in the 600K to 800K lines of C++ I have produced I do not recall ever using that one time. I would have had to look it up if I saw it..

                    John

                    D S 2 Replies Last reply
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                    • P pelnor

                      I have not written any C++ code since 2001. Now I'm dragging one of my old dll's out of mothballs to add some new features. Some where in those 8 absent years the garbage collector or my brain declared C++ syntax of no use and deleted it for me. Now I'm staring at my code wondering what all the hieroglyphics are for. Let's see there's this * guy. He's got something to do with pointers. It's attached or next to some of my variables. Then there's ::, <<, >>, wait.... wait, it's coming back to me.... "<<" is super less than. Got it moving on. Then I run into ^. Oh come on! Who thought ^ was a good idea? Linker? what is that? You mean I have to tell this linker of yours where to look for things just so I can compile? There isn't just a magic "make it go button"? This is going to be a long day. Better load up on the caffeine.

                      Latest toy built for fun: Web Lens Best feature: Full size images when using Google image search.

                      M Offline
                      M Offline
                      Maximilien
                      wrote on last edited by
                      #12

                      pelnor wrote:

                      Then I run into ^. Oh come on! Who thought ^ was a good idea?

                      It's a chinese pointer.

                      This signature was proudly tested on animals.

                      1 Reply Last reply
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                      • P pelnor

                        I have not written any C++ code since 2001. Now I'm dragging one of my old dll's out of mothballs to add some new features. Some where in those 8 absent years the garbage collector or my brain declared C++ syntax of no use and deleted it for me. Now I'm staring at my code wondering what all the hieroglyphics are for. Let's see there's this * guy. He's got something to do with pointers. It's attached or next to some of my variables. Then there's ::, <<, >>, wait.... wait, it's coming back to me.... "<<" is super less than. Got it moving on. Then I run into ^. Oh come on! Who thought ^ was a good idea? Linker? what is that? You mean I have to tell this linker of yours where to look for things just so I can compile? There isn't just a magic "make it go button"? This is going to be a long day. Better load up on the caffeine.

                        Latest toy built for fun: Web Lens Best feature: Full size images when using Google image search.

                        S Offline
                        S Offline
                        Single Step Debugger
                        wrote on last edited by
                        #13

                        And if you put “&” before some variable, it will returns a strange combination of letters and numbers. I usually use this cute property for getting random numbers in runtime – works great!

                        The narrow specialist in the broad sense of the word is a complete idiot in the narrow sense of the word. Advertise here – minimum three posts per day are guaranteed.

                        1 Reply Last reply
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                        • N Nemanja Trifunovic

                          Rama Krishna Vavilala wrote:

                          Which was even worse

                          I dissagree. Underscores are a standard-sanctioned way to extend the language. There was really no reason to break compatibility with Managed C++ and introduce "C++/CLI".

                          utf8-cpp

                          R Offline
                          R Offline
                          Rama Krishna Vavilala
                          wrote on last edited by
                          #14

                          Nemanja Trifunovic wrote:

                          Underscores are a standard-sanctioned way to extend the language

                          I agree with that. But there was no need for that (_gc keyword) in the first place. The whole thing could have been a lot simpler. The code simply looked ugly.

                          Nemanja Trifunovic wrote:

                          There was really no reason to break compatibility with Managed C++ and introduce "C++/CLI".

                          Managed C++ was ugly so was C++/CLI. So no arguments there.

                          N 1 Reply Last reply
                          0
                          • P pelnor

                            I have not written any C++ code since 2001. Now I'm dragging one of my old dll's out of mothballs to add some new features. Some where in those 8 absent years the garbage collector or my brain declared C++ syntax of no use and deleted it for me. Now I'm staring at my code wondering what all the hieroglyphics are for. Let's see there's this * guy. He's got something to do with pointers. It's attached or next to some of my variables. Then there's ::, <<, >>, wait.... wait, it's coming back to me.... "<<" is super less than. Got it moving on. Then I run into ^. Oh come on! Who thought ^ was a good idea? Linker? what is that? You mean I have to tell this linker of yours where to look for things just so I can compile? There isn't just a magic "make it go button"? This is going to be a long day. Better load up on the caffeine.

                            Latest toy built for fun: Web Lens Best feature: Full size images when using Google image search.

                            D Offline
                            D Offline
                            Dave Parker
                            wrote on last edited by
                            #15

                            It's even better now. As well as pointers and references you now have handles. :) Not that I've ever worked with managed C++ or whatever its called now but I bet it's fun trying to get a handle on pointers to references of pointers to handles. Thing*&^thingy=&somethingNasty; (A while since I did C++ so the above is probably wrong.....)

                            1 Reply Last reply
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                            • P pelnor

                              I have not written any C++ code since 2001. Now I'm dragging one of my old dll's out of mothballs to add some new features. Some where in those 8 absent years the garbage collector or my brain declared C++ syntax of no use and deleted it for me. Now I'm staring at my code wondering what all the hieroglyphics are for. Let's see there's this * guy. He's got something to do with pointers. It's attached or next to some of my variables. Then there's ::, <<, >>, wait.... wait, it's coming back to me.... "<<" is super less than. Got it moving on. Then I run into ^. Oh come on! Who thought ^ was a good idea? Linker? what is that? You mean I have to tell this linker of yours where to look for things just so I can compile? There isn't just a magic "make it go button"? This is going to be a long day. Better load up on the caffeine.

                              Latest toy built for fun: Web Lens Best feature: Full size images when using Google image search.

                              R Offline
                              R Offline
                              RugbyLeague
                              wrote on last edited by
                              #16

                              I am converting a compiler and language runtime written in C++ into C# - that's fun :^)

                              J J 2 Replies Last reply
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                              • E Electron Shepherd

                                pelnor wrote:

                                There isn't just a magic "make it go button"?

                                F5 and a properly configured workspace?

                                Server and Network Monitoring

                                P Offline
                                P Offline
                                pelnor
                                wrote on last edited by
                                #17

                                Propery configured was the challenge. I way jumping the old project over several versions of VS. Things did not go as smooth as i hoped for. But with google by my side i can't fail.

                                Latest toy built for fun: Web Lens Best feature: Full size images when using Google image search.

                                1 Reply Last reply
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                                • A Anthony Mushrow

                                  What have you been working with instead?

                                  My current favourite word is: Delicious!

                                  -SK Genius

                                  Game Programming articles start -here[^]-

                                  P Offline
                                  P Offline
                                  pelnor
                                  wrote on last edited by
                                  #18

                                  Several years of VB got in the way. I mostly do c# now so it's not tooooo much culture shock. Just some head scratching.

                                  Latest toy built for fun: Web Lens Best feature: Full size images when using Google image search.

                                  S A 2 Replies Last reply
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                                  • J John M Drescher

                                    Dan Neely wrote:

                                    It's retarded.

                                    Agreed. Although, in the 600K to 800K lines of C++ I have produced I do not recall ever using that one time. I would have had to look it up if I saw it..

                                    John

                                    D Offline
                                    D Offline
                                    Dan Neely
                                    wrote on last edited by
                                    #19

                                    I know I've used it for something before, although I'm not sure what it was. Toggling a bitflag without knowing it's original value???

                                    The latest nation. Procrastination.

                                    P 1 Reply Last reply
                                    0
                                    • R Rama Krishna Vavilala

                                      Nemanja Trifunovic wrote:

                                      Underscores are a standard-sanctioned way to extend the language

                                      I agree with that. But there was no need for that (_gc keyword) in the first place. The whole thing could have been a lot simpler. The code simply looked ugly.

                                      Nemanja Trifunovic wrote:

                                      There was really no reason to break compatibility with Managed C++ and introduce "C++/CLI".

                                      Managed C++ was ugly so was C++/CLI. So no arguments there.

                                      N Offline
                                      N Offline
                                      Nemanja Trifunovic
                                      wrote on last edited by
                                      #20

                                      Rama Krishna Vavilala wrote:

                                      ugly

                                      I find all C-based languages to be ugly (some more than others). It is not about beauty, but usefulness. Managed C++ is useful for some scenarios and that's what matters. I'd rather use beautiful Haskell but it just does not let me get my job done.

                                      utf8-cpp

                                      1 Reply Last reply
                                      0
                                      • D Dan Neely

                                        I know I've used it for something before, although I'm not sure what it was. Toggling a bitflag without knowing it's original value???

                                        The latest nation. Procrastination.

                                        P Offline
                                        P Offline
                                        Peter Mulholland
                                        wrote on last edited by
                                        #21

                                        what about swapping 2 values without a temp variable:

                                        char\* start = str;
                                        char\* end = str + (strlen(str) - 1);
                                        
                                        while (start < end) 
                                        {
                                            \*start ^= \*end;
                                            \*end ^= \*start;
                                            \*start++ ^= \*end--;
                                        }
                                        return str;
                                        

                                        Pete

                                        J 1 Reply Last reply
                                        0
                                        • P Peter Mulholland

                                          what about swapping 2 values without a temp variable:

                                          char\* start = str;
                                          char\* end = str + (strlen(str) - 1);
                                          
                                          while (start < end) 
                                          {
                                              \*start ^= \*end;
                                              \*end ^= \*start;
                                              \*start++ ^= \*end--;
                                          }
                                          return str;
                                          

                                          Pete

                                          J Offline
                                          J Offline
                                          John M Drescher
                                          wrote on last edited by
                                          #22

                                          I remember that you can do this with XORs however for code readability I would never do that in a program.

                                          John

                                          N 1 Reply Last reply
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