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  3. What to call array indexing starting at 0 vs. 1 ?

What to call array indexing starting at 0 vs. 1 ?

Scheduled Pinned Locked Moved The Lounge
c++delphidatabasevisual-studiodata-structures
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  • M Maximilien

    Is there a technical term to say if an array starts at index 0 (e.g. C/C++) or 1 (e.g. pascal) ? Is it simply "0-based array" and "1 based array" ? Thanks.

    I'd rather be phishing!

    L Offline
    L Offline
    Lost User
    wrote on last edited by
    #9

    Yes.

    1 Reply Last reply
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    • M Maximilien

      Is there a technical term to say if an array starts at index 0 (e.g. C/C++) or 1 (e.g. pascal) ? Is it simply "0-based array" and "1 based array" ? Thanks.

      I'd rather be phishing!

      P Offline
      P Offline
      PIEBALDconsult
      wrote on last edited by
      #10

      Maximilien wrote:

      "0-based array" and "1 based array"

      That's about right.

      Maximilien wrote:

      1 (e.g. pascal)

      Pascal allows you to specify the range. And with OOP you can define a class that implements arbitrary indexing, e.g. new MyArray ( -5 , 10 ) .

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      • V vonb

        Ying and Yang :)

        The signature is in building process.. Please wait...

        M Offline
        M Offline
        MarkTJohnson
        wrote on last edited by
        #11

        Yin and Yang :-O

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        • M MarkTJohnson

          Yin and Yang :-O

          V Offline
          V Offline
          vonb
          wrote on last edited by
          #12

          My Chineese spelling is not so good... But Ying and Yang exist, it's a music band (Hip Hop duo) https://www.google.ch/#q=ying+yang+twins&safe=images[^]

          The signature is in building process.. Please wait...

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          • N Nicholas Marty

            at least thats what the .NET Framework uses in its documentation ;P

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            Pete OHanlon
            wrote on last edited by
            #13

            Wimp. Real coders don't read documentation. ;P

            Chill _Maxxx_
            CodeStash - Online Snippet Management | My blog | MoXAML PowerToys | Mole 2010 - debugging made easier

            N 1 Reply Last reply
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            • M Maximilien

              Is there a technical term to say if an array starts at index 0 (e.g. C/C++) or 1 (e.g. pascal) ? Is it simply "0-based array" and "1 based array" ? Thanks.

              I'd rather be phishing!

              E Offline
              E Offline
              Espen Harlinn
              wrote on last edited by
              #14

              In a separate millenium I wrote a 1 based C++ string class - I think that was the best argument for zero based code I've ever seen.

              Espen Harlinn Principal Architect, Software - Goodtech Projects & Services AS Projects promoting programming in "natural language" are intrinsically doomed to fail. Edsger W.Dijkstra

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              • M Maximilien

                Is there a technical term to say if an array starts at index 0 (e.g. C/C++) or 1 (e.g. pascal) ? Is it simply "0-based array" and "1 based array" ? Thanks.

                I'd rather be phishing!

                E Offline
                E Offline
                Eytukan
                wrote on last edited by
                #15

                '0' based one- Just called it Orray. :-D

                Starting to think people post kid pics in their profiles because that was the last time they were cute - Jeremy.

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                • P Pete OHanlon

                  Wimp. Real coders don't read documentation. ;P

                  Chill _Maxxx_
                  CodeStash - Online Snippet Management | My blog | MoXAML PowerToys | Mole 2010 - debugging made easier

                  N Offline
                  N Offline
                  Nicholas Marty
                  wrote on last edited by
                  #16

                  I only have seen that in the Intellisense popup of some .NET function. Intellisense is all the documentation that I need. :laugh:

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                  • M MarkTJohnson

                    Yin and Yang :-O

                    L Offline
                    L Offline
                    Lost User
                    wrote on last edited by
                    #17

                    The spelling is inbalanced? That seems fundamentally wrong..

                    M 1 Reply Last reply
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                    • L Lost User

                      The spelling is inbalanced? That seems fundamentally wrong..

                      M Offline
                      M Offline
                      MarkTJohnson
                      wrote on last edited by
                      #18

                      It's an imperfect world, screws fall out all the time.

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                      • N Nicholas Marty

                        I only have seen that in the Intellisense popup of some .NET function. Intellisense is all the documentation that I need. :laugh:

                        N Offline
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                        Nagy Vilmos
                        wrote on last edited by
                        #19

                        Meh! Real men code with edlin.

                        speramus in juniperus

                        R pkfoxP G J F 8 Replies Last reply
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                        • N Nagy Vilmos

                          Meh! Real men code with edlin.

                          speramus in juniperus

                          R Offline
                          R Offline
                          Ravi Bhavnani
                          wrote on last edited by
                          #20

                          Emacs. /ravi

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

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                          • M Maximilien

                            Is there a technical term to say if an array starts at index 0 (e.g. C/C++) or 1 (e.g. pascal) ? Is it simply "0-based array" and "1 based array" ? Thanks.

                            I'd rather be phishing!

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

                            Maximilien wrote:

                            Is there a technical term to say if an array starts at index 0 (e.g. C/C++) or 1 (e.g. pascal) ?

                            The term is "array", and they start at index 0. There's a difference when talking about strings, not arrays.

                            Bastard Programmer from Hell :suss: If you can't read my code, try converting it here[^]

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                            • M Maximilien

                              Is there a technical term to say if an array starts at index 0 (e.g. C/C++) or 1 (e.g. pascal) ? Is it simply "0-based array" and "1 based array" ? Thanks.

                              I'd rather be phishing!

                              G Offline
                              G Offline
                              glennPattonWork3
                              wrote on last edited by
                              #22

                              Standard & Mutant ? why was Pascal 1 based? anyone know if Delphi is has one based arrays as it might explain some error generated by a test application I have to use?

                              L 1 Reply Last reply
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                              • N Nagy Vilmos

                                Meh! Real men code with edlin.

                                speramus in juniperus

                                pkfoxP Offline
                                pkfoxP Offline
                                pkfox
                                wrote on last edited by
                                #23

                                Real men code with Emacs and vi.

                                We can’t stop here, this is bat country - Hunter S Thompson RIP

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                                • M Maximilien

                                  Is there a technical term to say if an array starts at index 0 (e.g. C/C++) or 1 (e.g. pascal) ? Is it simply "0-based array" and "1 based array" ? Thanks.

                                  I'd rather be phishing!

                                  L Offline
                                  L Offline
                                  Lost User
                                  wrote on last edited by
                                  #24

                                  Let's call them Zeray and Oneray.

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                                  • M Maximilien

                                    Is there a technical term to say if an array starts at index 0 (e.g. C/C++) or 1 (e.g. pascal) ? Is it simply "0-based array" and "1 based array" ? Thanks.

                                    I'd rather be phishing!

                                    R Offline
                                    R Offline
                                    Ravi Bhavnani
                                    wrote on last edited by
                                    #25

                                    Yes, zero-based and one-based indexing are correct terms. /ravi

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

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                                    • G glennPattonWork3

                                      Standard & Mutant ? why was Pascal 1 based? anyone know if Delphi is has one based arrays as it might explain some error generated by a test application I have to use?

                                      L Offline
                                      L Offline
                                      Lost User
                                      wrote on last edited by
                                      #26

                                      glennPattonWork wrote:

                                      why was Pascal 1 based?

                                      It's not, neither is Object-Pascal (Delphi). The type-definition of an array would contain the start-index and the end-index. One would use 0, obviously. Dynamic arrays start at 0. Even BASIC[^] starts at 0.

                                      Bastard Programmer from Hell :suss: If you can't read my code, try converting it here[^]

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                                      • N Nagy Vilmos

                                        Meh! Real men code with edlin.

                                        speramus in juniperus

                                        G Offline
                                        G Offline
                                        Gary Wheeler
                                        wrote on last edited by
                                        #27

                                        Real men code by staring intently at their powered-off, disconnected hard drive and visualize the magnetic bits into their proper alignment.

                                        Software Zen: delete this;

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                                        • N Nagy Vilmos

                                          Meh! Real men code with edlin.

                                          speramus in juniperus

                                          J Offline
                                          J Offline
                                          jeron1
                                          wrote on last edited by
                                          #28

                                          Nagy Vilmos wrote:

                                          Real men code with edlin.

                                          I said something like this to a younger colleague a few weeks ago, I got a 'deer in headlight' look as a response. God I'm old :(( .

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