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PQOTD

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  • K Keith Barrow

    Though Nish's and OG's examples will work, I think it is symantically better to do this:

    bool more = ProcessFlyouts();
    bool foo = ProcessCarrierAnimations();
    more = more || foo;

    Less terse code (normally bad) - but explicit in calling ProcessCarrierAnimations.

    PB 369,783 wrote:

    I just find him very unlikeable, and I think the way he looks like a prettier version of his Mum is very disturbing.[^]

    P Offline
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    PIEBALDconsult
    wrote on last edited by
    #30

    "Eliminate needless local variables." :-D

    You'll never get very far if all you do is follow instructions.

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    • R Rage

      MISRA[^] Rule 33 & 34:

      The right hand operand of a || shall not contain side effects
      The operands of a logical || shall be primary expressions

      The example you gave is the very reason for the above two rules.

      ~RaGE();

      I think words like 'destiny' are a way of trying to find order where none exists. - Christian Graus Entropy isn't what it used to.

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      PIEBALDconsult
      wrote on last edited by
      #31

      I never follow other peoples' rules. :cool:

      You'll never get very far if all you do is follow instructions.

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      • Kornfeld Eliyahu PeterK Kornfeld Eliyahu Peter

        You have to! Otherwise you may end up with some mess if updating C/C++ to C# (what I'm doing just now)...

        I'm not questioning your powers of observation; I'm merely remarking upon the paradox of asking a masked man who he is. (V)

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        Forogar
        wrote on last edited by
        #32

        Nah! As long as it compiles...

        - I would love to change the world, but they won’t give me the source code.

        Kornfeld Eliyahu PeterK 1 Reply Last reply
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        • F Forogar

          Nah! As long as it compiles...

          - I would love to change the world, but they won’t give me the source code.

          Kornfeld Eliyahu PeterK Offline
          Kornfeld Eliyahu PeterK Offline
          Kornfeld Eliyahu Peter
          wrote on last edited by
          #33

          Yeah! It compiles. After then you can rub your head to find where the bug is!

          I'm not questioning your powers of observation; I'm merely remarking upon the paradox of asking a masked man who he is. (V)

          "It never ceases to amaze me that a spacecraft launched in 1977 can be fixed remotely from Earth." ― Brian Cox

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          • M Marc Clifton

            Programming Quiz of the day. I just wrote this code (C#), which did something very unexpected. What was it that it unexpectedly did?

            		bool more = ProcessFlyouts();
            		more = more || ProcessCarrierAnimations();
            

            How would you change it to "do the right thing?" Marc

            Richard Andrew x64R Offline
            Richard Andrew x64R Offline
            Richard Andrew x64
            wrote on last edited by
            #34

            How about:

            more &= ProcessCarrierAnimations();

            The difficult we do right away... ...the impossible takes slightly longer.

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            • M Marc Clifton

              Programming Quiz of the day. I just wrote this code (C#), which did something very unexpected. What was it that it unexpectedly did?

              		bool more = ProcessFlyouts();
              		more = more || ProcessCarrierAnimations();
              

              How would you change it to "do the right thing?" Marc

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              Jorgen Andersson
              wrote on last edited by
              #35

              Is it just me that would have done it as a oneliner?

              Wrong is evil and must be defeated. - Jeff Ello[^]

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              • J Jorgen Andersson

                Is it just me that would have done it as a oneliner?

                Wrong is evil and must be defeated. - Jeff Ello[^]

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                PIEBALDconsult
                wrote on last edited by
                #36

                That could make setting a breakpoint on the second call difficult. :shrug:

                You'll never get very far if all you do is follow instructions.

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                • P PIEBALDconsult

                  That could make setting a breakpoint on the second call difficult. :shrug:

                  You'll never get very far if all you do is follow instructions.

                  J Offline
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                  Jorgen Andersson
                  wrote on last edited by
                  #37

                  No big deal to change if necessary. :shrug: But I actually find it easier to read on one line.

                  Wrong is evil and must be defeated. - Jeff Ello[^]

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                  • M Marc Clifton

                    Programming Quiz of the day. I just wrote this code (C#), which did something very unexpected. What was it that it unexpectedly did?

                    		bool more = ProcessFlyouts();
                    		more = more || ProcessCarrierAnimations();
                    

                    How would you change it to "do the right thing?" Marc

                    E Offline
                    E Offline
                    Ennis Ray Lynch Jr
                    wrote on last edited by
                    #38

                    -|

                    Need custom software developed? I do custom programming based primarily on MS tools with an emphasis on C# development and consulting. "And they, since they Were not the one dead, turned to their affairs" -- Robert Frost "All users always want Excel" --Ennis Lynch

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                    • M Marc Clifton

                      Programming Quiz of the day. I just wrote this code (C#), which did something very unexpected. What was it that it unexpectedly did?

                      		bool more = ProcessFlyouts();
                      		more = more || ProcessCarrierAnimations();
                      

                      How would you change it to "do the right thing?" Marc

                      R Offline
                      R Offline
                      Ravi Bhavnani
                      wrote on last edited by
                      #39

                      There's a risk that ProcessCarrierAnimations() may never be invoked, so the right thing (IMHO) would be to do something like this:

                      bool processFlyouts = ProcessFlyouts();
                      bool processCarrierAnimations = ProcessCarrierAnimations();
                      bool more = processFlyouts || processCarrierAnimations;

                      /ravi

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

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                      • M Marc Clifton

                        Kornfeld Eliyahu Peter wrote:

                        you have to switch the order

                        Yes indeed. Or use the bitwise operator. Marc

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                        dan sh
                        wrote on last edited by
                        #40

                        Marc Clifton wrote:

                        bitwise operator

                        So boolean is foolish?

                        My CP workspace: Incredibly trivial and probably useless code samples[^]

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                        • M Marc Clifton

                          Programming Quiz of the day. I just wrote this code (C#), which did something very unexpected. What was it that it unexpectedly did?

                          		bool more = ProcessFlyouts();
                          		more = more || ProcessCarrierAnimations();
                          

                          How would you change it to "do the right thing?" Marc

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                          D Offline
                          dan sh
                          wrote on last edited by
                          #41

                          No it did not do anything unexpected. || operator uses short-circuit evaluation. I would assume the intent was to call ProcessCarrierAnimations only if more was false.

                          My CP workspace: Incredibly trivial and probably useless code samples[^]

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                          • Kornfeld Eliyahu PeterK Kornfeld Eliyahu Peter

                            Yeah! It compiles. After then you can rub your head to find where the bug is!

                            I'm not questioning your powers of observation; I'm merely remarking upon the paradox of asking a masked man who he is. (V)

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                            JimmyRopes
                            wrote on last edited by
                            #42

                            Kornfeld Eliyahu Peter wrote:

                            It compiles. After then you someone else will can rub your their head to find where the bug is!

                            FTFY :-D

                            The report of my death was an exaggeration - Mark Twain
                            Simply Elegant Designs JimmyRopes Designs
                            I'm on-line therefore I am. JimmyRopes

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                            • M Marc Clifton

                              Programming Quiz of the day. I just wrote this code (C#), which did something very unexpected. What was it that it unexpectedly did?

                              		bool more = ProcessFlyouts();
                              		more = more || ProcessCarrierAnimations();
                              

                              How would you change it to "do the right thing?" Marc

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                              Chris Quinn
                              wrote on last edited by
                              #43

                              It compiled?

                              ========================================================= I'm an optoholic - my glass is always half full of vodka. =========================================================

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                              • P PIEBALDconsult

                                I never follow other peoples' rules. :cool:

                                You'll never get very far if all you do is follow instructions.

                                S Offline
                                S Offline
                                SortaCore
                                wrote on last edited by
                                #44

                                It's my rule that people have to breathe (or die trying).

                                1 Reply Last reply
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                                • M Marc Clifton

                                  Programming Quiz of the day. I just wrote this code (C#), which did something very unexpected. What was it that it unexpectedly did?

                                  		bool more = ProcessFlyouts();
                                  		more = more || ProcessCarrierAnimations();
                                  

                                  How would you change it to "do the right thing?" Marc

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                                  Adam Tibi
                                  wrote on last edited by
                                  #45

                                  This is JavaScript style, the developer meant, if "more" is "undefined" then try the other option ProcessCarrierAnimations(). But obviously, this doesn't work in C#.

                                  Make it simple, as simple as possible, but not simpler.

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                                  • M Marc Clifton

                                    Programming Quiz of the day. I just wrote this code (C#), which did something very unexpected. What was it that it unexpectedly did?

                                    		bool more = ProcessFlyouts();
                                    		more = more || ProcessCarrierAnimations();
                                    

                                    How would you change it to "do the right thing?" Marc

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                                    Gary Wheeler
                                    wrote on last edited by
                                    #46

                                    Just to be contrary:

                                    bool more = false;
                                    if (ProcessFlyouts()) more = true;
                                    if (ProcessCarrierAnimations()) more = true;

                                    Software Zen: delete this;

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                                    • N Nish Nishant

                                      |

                                      Regards, Nish


                                      Blog: voidnish.wordpress.com Latest article: C++ 11 features in Visual C++ 2013 Preview

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                                      Gary Wheeler
                                      wrote on last edited by
                                      #47

                                      Yuck. One of my least favorite things when reading someone else's C/C++ code is when they mix logical and bit-wise operators in an expression. In this case, using a bit-wise operator on bool values just seems wrong.

                                      Software Zen: delete this;

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                                      • G Gary Wheeler

                                        Yuck. One of my least favorite things when reading someone else's C/C++ code is when they mix logical and bit-wise operators in an expression. In this case, using a bit-wise operator on bool values just seems wrong.

                                        Software Zen: delete this;

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                                        Nish Nishant
                                        wrote on last edited by
                                        #48

                                        I agree, it's not something I'd use myself. I was only answering Marc's academic question :-)

                                        Regards, Nish


                                        Blog: voidnish.wordpress.com Latest article: C++ 11 features in Visual C++ 2013 Preview

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                                        • N Nish Nishant

                                          I agree, it's not something I'd use myself. I was only answering Marc's academic question :-)

                                          Regards, Nish


                                          Blog: voidnish.wordpress.com Latest article: C++ 11 features in Visual C++ 2013 Preview

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                                          G Offline
                                          Gary Wheeler
                                          wrote on last edited by
                                          #49

                                          I thought that was the case - your response just seemed rather unNish-like :laugh:.

                                          Software Zen: delete this;

                                          N 1 Reply Last reply
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