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  3. how many times in your life have you implemented recursive methods

how many times in your life have you implemented recursive methods

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  • V Vasily Tserekh

    I can count with the fingers of my hand the times I had to implement recursive methods in my life, so what was the fuzz all about when you are in school ant programming teachers tell you that that is the holy grail of programming!!! ps: i know that is important but most of recursive functions are implememnted and you only have to use them.

    L Offline
    L Offline
    lewax00
    wrote on last edited by
    #7

    I've done it a few times...but who really needs to learn about them are the people who write the instructions on shampoo. I get stuck doing lather, rinse, repeat until I stack overflow because they forgot an end condition...

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    • R realJSOP

      It seems like I do it over and over again... JSOP's Recursive Rule of Recursion: "No matter where you are, that's where you're at."

      ".45 ACP - because shooting twice is just silly" - JSOP, 2010
      -----
      You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
      -----
      "Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass." - Dale Earnhardt, 1997

      Mike HankeyM Offline
      Mike HankeyM Offline
      Mike Hankey
      wrote on last edited by
      #8

      Where ever you go, there you are.

      VS2010/Atmel Studio 6.0 ToDo Manager Extension
      Version 3.0 now available. There is no place like 127.0.0.1

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      • V Vasily Tserekh

        I can count with the fingers of my hand the times I had to implement recursive methods in my life, so what was the fuzz all about when you are in school ant programming teachers tell you that that is the holy grail of programming!!! ps: i know that is important but most of recursive functions are implememnted and you only have to use them.

        Mike HankeyM Offline
        Mike HankeyM Offline
        Mike Hankey
        wrote on last edited by
        #9

        Quite often, recursion is very handy.

        VS2010/Atmel Studio 6.0 ToDo Manager Extension
        Version 3.0 now available. There is no place like 127.0.0.1

        R 1 Reply Last reply
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        • Mike HankeyM Mike Hankey

          Where ever you go, there you are.

          VS2010/Atmel Studio 6.0 ToDo Manager Extension
          Version 3.0 now available. There is no place like 127.0.0.1

          D Offline
          D Offline
          Dr Walt Fair PE
          wrote on last edited by
          #10

          When you go back, it's deja vu all over again.

          CQ de W5ALT

          Walt Fair, Jr., P. E. Comport Computing Specializing in Technical Engineering Software

          R Mike HankeyM 2 Replies Last reply
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          • V Vasily Tserekh

            I can count with the fingers of my hand the times I had to implement recursive methods in my life, so what was the fuzz all about when you are in school ant programming teachers tell you that that is the holy grail of programming!!! ps: i know that is important but most of recursive functions are implememnted and you only have to use them.

            D Offline
            D Offline
            Dr Walt Fair PE
            wrote on last edited by
            #11

            Lots!! If you use Prolog or any of the functional languages, it's extremely useful, fast and efficient to use (tail) recursion. In fact, I can hardly imagine programming anything in those languages without recursion.

            CQ de W5ALT

            Walt Fair, Jr., P. E. Comport Computing Specializing in Technical Engineering Software

            V 1 Reply Last reply
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            • D DaveAuld

              Good question, check out the thread here[^].

              Dave Find Me On: Web|Facebook|Twitter|LinkedIn


              Folding Stats: Team CodeProject

              V Offline
              V Offline
              Vasily Tserekh
              wrote on last edited by
              #12

              ahahaha , that was a very good joke I understood it when I clicled at the link nice man!!

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              • V Vasily Tserekh

                I can count with the fingers of my hand the times I had to implement recursive methods in my life, so what was the fuzz all about when you are in school ant programming teachers tell you that that is the holy grail of programming!!! ps: i know that is important but most of recursive functions are implememnted and you only have to use them.

                S Offline
                S Offline
                Steve Mayfield
                wrote on last edited by
                #13

                Just make sure you get paid for number of lines executed instead of number of lines written! :thumbsup:

                Steve _________________ I C(++) therefore I am

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                • L lewax00

                  I've done it a few times...but who really needs to learn about them are the people who write the instructions on shampoo. I get stuck doing lather, rinse, repeat until I stack overflow because they forgot an end condition...

                  A Offline
                  A Offline
                  AspDotNetDev
                  wrote on last edited by
                  #14

                  if (head.IsBloodyAndHairIsScrubbedOff) return BaseCase.Reached;

                  Thou mewling ill-breeding pignut!

                  1 Reply Last reply
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                  • V Vasily Tserekh

                    I can count with the fingers of my hand the times I had to implement recursive methods in my life, so what was the fuzz all about when you are in school ant programming teachers tell you that that is the holy grail of programming!!! ps: i know that is important but most of recursive functions are implememnted and you only have to use them.

                    A Offline
                    A Offline
                    AspDotNetDev
                    wrote on last edited by
                    #15

                    I imagine some developers come across recursion more often than others. For example, I sometimes deal with recursion when writing code that traverses the file system, but I don't do that very often. Video game developers might do it when they handle BSP, closest path algorithms, collision detection, and so on. And just because you don't use it often does not mean it's not incredibly useful. Some problems might seem insurmountable without recursion. You might also seldom use trigonometry, but when you need it you really need it.

                    Thou mewling ill-breeding pignut!

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                    • D Dr Walt Fair PE

                      When you go back, it's deja vu all over again.

                      CQ de W5ALT

                      Walt Fair, Jr., P. E. Comport Computing Specializing in Technical Engineering Software

                      R Offline
                      R Offline
                      Ravi Bhavnani
                      wrote on last edited by
                      #16

                      That reminds me... /ravi

                      My new year resolution: 2048 x 1536 Home | Articles | My .NET bits | Freeware ravib(at)ravib(dot)com

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                      • D Dr Walt Fair PE

                        Lots!! If you use Prolog or any of the functional languages, it's extremely useful, fast and efficient to use (tail) recursion. In fact, I can hardly imagine programming anything in those languages without recursion.

                        CQ de W5ALT

                        Walt Fair, Jr., P. E. Comport Computing Specializing in Technical Engineering Software

                        V Offline
                        V Offline
                        Vasily Tserekh
                        wrote on last edited by
                        #17

                        Hate prolog at so many levels that I thank god I dont need to use it in my normal life

                        1 Reply Last reply
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                        • D Dr Walt Fair PE

                          When you go back, it's deja vu all over again.

                          CQ de W5ALT

                          Walt Fair, Jr., P. E. Comport Computing Specializing in Technical Engineering Software

                          Mike HankeyM Offline
                          Mike HankeyM Offline
                          Mike Hankey
                          wrote on last edited by
                          #18

                          In my case it's veja du. Someplace I've never been and never want to go!

                          VS2010/Atmel Studio 6.0 ToDo Manager Extension
                          Version 3.0 now available. There is no place like 127.0.0.1

                          1 Reply Last reply
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                          • A AspDotNetDev

                            I imagine some developers come across recursion more often than others. For example, I sometimes deal with recursion when writing code that traverses the file system, but I don't do that very often. Video game developers might do it when they handle BSP, closest path algorithms, collision detection, and so on. And just because you don't use it often does not mean it's not incredibly useful. Some problems might seem insurmountable without recursion. You might also seldom use trigonometry, but when you need it you really need it.

                            Thou mewling ill-breeding pignut!

                            L Offline
                            L Offline
                            lewax00
                            wrote on last edited by
                            #19

                            Linear algebra is another one. Don't use it at all for most things, but good luck doing 3D graphics without it. It's good to have a varied tool kit, just in case.

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                            • Mike HankeyM Mike Hankey

                              Where ever you go, there you are.

                              VS2010/Atmel Studio 6.0 ToDo Manager Extension
                              Version 3.0 now available. There is no place like 127.0.0.1

                              R Offline
                              R Offline
                              realJSOP
                              wrote on last edited by
                              #20

                              I feel more like I do now than I did a while ago.

                              ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                              -----
                              You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                              -----
                              "Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass." - Dale Earnhardt, 1997

                              1 Reply Last reply
                              0
                              • V Vasily Tserekh

                                I can count with the fingers of my hand the times I had to implement recursive methods in my life, so what was the fuzz all about when you are in school ant programming teachers tell you that that is the holy grail of programming!!! ps: i know that is important but most of recursive functions are implememnted and you only have to use them.

                                L Offline
                                L Offline
                                Lost User
                                wrote on last edited by
                                #21

                                Vasily Tserekh wrote:

                                I can count with the fingers of my hand the times I had to implement recursive methods in my life

                                You're twenty? :) I ran out of fingers at my first employer.

                                Bastard Programmer from Hell :suss:

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                                • L lewax00

                                  Linear algebra is another one. Don't use it at all for most things, but good luck doing 3D graphics without it. It's good to have a varied tool kit, just in case.

                                  A Offline
                                  A Offline
                                  AspDotNetDev
                                  wrote on last edited by
                                  #22

                                  I don't get to use that very often, as I took a class called "Linear Algebra" in college and now I have no idea what linear algebra is. :)

                                  Thou mewling ill-breeding pignut!

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                                  • A AspDotNetDev

                                    I don't get to use that very often, as I took a class called "Linear Algebra" in college and now I have no idea what linear algebra is. :)

                                    Thou mewling ill-breeding pignut!

                                    L Offline
                                    L Offline
                                    lewax00
                                    wrote on last edited by
                                    #23

                                    Well the name makes no sense to me (I guess its because it has to do with linear systems or something like that) but that's the one with the matrices. Very necessary for 3D applications. But most apps aren't 3D, and outside of that and scientific simulation I don't think it gets used for anything.

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                                    • V Vasily Tserekh

                                      I can count with the fingers of my hand the times I had to implement recursive methods in my life, so what was the fuzz all about when you are in school ant programming teachers tell you that that is the holy grail of programming!!! ps: i know that is important but most of recursive functions are implememnted and you only have to use them.

                                      P Offline
                                      P Offline
                                      Paul M Watt
                                      wrote on last edited by
                                      #24

                                      Many times, it's a useful type of solution to know that it exists. One of the key concepts they really focused on when I was in college was the "Divide and Conquer" approach in programming. It is very simple to illustrate this concept with recursion and I think that is why it's demonstration is so pronounced. One thing to consider, is that a tail-recursive algorithm can be re-written into a loop that resides in a single function. How many functions have you written that only contain a loop and could have just as easily started out as a recursive implementation?

                                      All of my software is powered by a single Watt.

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                                      • V Vasily Tserekh

                                        I can count with the fingers of my hand the times I had to implement recursive methods in my life, so what was the fuzz all about when you are in school ant programming teachers tell you that that is the holy grail of programming!!! ps: i know that is important but most of recursive functions are implememnted and you only have to use them.

                                        M Offline
                                        M Offline
                                        Member 4194593
                                        wrote on last edited by
                                        #25

                                        Many. Dave.

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                                        • V Vasily Tserekh

                                          I can count with the fingers of my hand the times I had to implement recursive methods in my life, so what was the fuzz all about when you are in school ant programming teachers tell you that that is the holy grail of programming!!! ps: i know that is important but most of recursive functions are implememnted and you only have to use them.

                                          P Offline
                                          P Offline
                                          PIEBALDconsult
                                          wrote on last edited by
                                          #26

                                          I don't think I ever have in the real world, but maybe once. Certainly did in college, and in some games.

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