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  4. new bool()

new bool()

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pythoncomlearning
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  • M Offline
    M Offline
    Marc Clifton
    wrote on last edited by
    #1

    bool isOffset = new bool();
    if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
    isOffset = true;
    else
    isOffset = false;

    I'll stop now. Marc

    V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

    D D Sander RosselS J B 7 Replies Last reply
    0
    • M Marc Clifton

      bool isOffset = new bool();
      if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
      isOffset = true;
      else
      isOffset = false;

      I'll stop now. Marc

      V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

      D Offline
      D Offline
      Dave Kreskowiak
      wrote on last edited by
      #2

      Please, for the love of bacon, STOP POSTING THIS CRAP! :-D

      A guide to posting questions on CodeProject

      Click this: Asking questions is a skill. Seriously, do it.
      Dave Kreskowiak

      M 1 Reply Last reply
      0
      • M Marc Clifton

        bool isOffset = new bool();
        if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
        isOffset = true;
        else
        isOffset = false;

        I'll stop now. Marc

        V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

        D Offline
        D Offline
        David ONeil
        wrote on last edited by
        #3

        Too bad he/she(it?) didn't have "bar" in the initial quotes. Then you could have replaced the construct with

        bool isProgrammerCompleteFnIdiot(true);

        Sudden Sun Death Syndrome (SSDS) is a very real concern which we should be raising awareness of. 156 billion suns die every year before they're just 1 billion years old. While the military are doing their part, it simply isn't enough to make the amount of nukes needed to save those poor stars. - TWI2T3D (Reddit)

        Z 1 Reply Last reply
        0
        • D Dave Kreskowiak

          Please, for the love of bacon, STOP POSTING THIS CRAP! :-D

          A guide to posting questions on CodeProject

          Click this: Asking questions is a skill. Seriously, do it.
          Dave Kreskowiak

          M Offline
          M Offline
          Marc Clifton
          wrote on last edited by
          #4

          Dave Kreskowiak wrote:

          Please, for the love of bacon, STOP POSTING THIS CRAP!

          :laugh: It's about the only way that I can stay sane. Thank goodness I have TW&TW as an outlet for my pain. Marc

          V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

          D 1 Reply Last reply
          0
          • M Marc Clifton

            Dave Kreskowiak wrote:

            Please, for the love of bacon, STOP POSTING THIS CRAP!

            :laugh: It's about the only way that I can stay sane. Thank goodness I have TW&TW as an outlet for my pain. Marc

            V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

            D Offline
            D Offline
            Dave Kreskowiak
            wrote on last edited by
            #5

            Marc Clifton wrote:

            It's about the only way that I can stay sane.

            Cheech and Chong may have something to help with that. Wait a minute. For some reason I can hear Tommy Chong's voice when I read that code. Sounds about right.

            A guide to posting questions on CodeProject

            Click this: Asking questions is a skill. Seriously, do it.
            Dave Kreskowiak

            1 Reply Last reply
            0
            • D David ONeil

              Too bad he/she(it?) didn't have "bar" in the initial quotes. Then you could have replaced the construct with

              bool isProgrammerCompleteFnIdiot(true);

              Sudden Sun Death Syndrome (SSDS) is a very real concern which we should be raising awareness of. 156 billion suns die every year before they're just 1 billion years old. While the military are doing their part, it simply isn't enough to make the amount of nukes needed to save those poor stars. - TWI2T3D (Reddit)

              Z Offline
              Z Offline
              ZurdoDev
              wrote on last edited by
              #6

              David O'Neil wrote:

              bool isProgrammerCompleteFnIdiot(true) || isProgrammerNew()

              FTFY

              There are two kinds of people in the world: those who can extrapolate from incomplete data. There are only 10 types of people in the world, those who understand binary and those who don't.

              T 1 Reply Last reply
              0
              • Z ZurdoDev

                David O'Neil wrote:

                bool isProgrammerCompleteFnIdiot(true) || isProgrammerNew()

                FTFY

                There are two kinds of people in the world: those who can extrapolate from incomplete data. There are only 10 types of people in the world, those who understand binary and those who don't.

                T Offline
                T Offline
                TheGreatAndPowerfulOz
                wrote on last edited by
                #7

                Syntax error: expecting '{' after ')'

                #SupportHeForShe Government can give you nothing but what it takes from somebody else. A government big enough to give you everything you want is big enough to take everything you've got, including your freedom.-Ezra Taft Benson You must accept 1 of 2 basic premises: Either we are alone in the universe or we are not alone. Either way, the implications are staggering!-Wernher von Braun

                Z 1 Reply Last reply
                0
                • T TheGreatAndPowerfulOz

                  Syntax error: expecting '{' after ')'

                  #SupportHeForShe Government can give you nothing but what it takes from somebody else. A government big enough to give you everything you want is big enough to take everything you've got, including your freedom.-Ezra Taft Benson You must accept 1 of 2 basic premises: Either we are alone in the universe or we are not alone. Either way, the implications are staggering!-Wernher von Braun

                  Z Offline
                  Z Offline
                  ZurdoDev
                  wrote on last edited by
                  #8

                  Please post your question in Quick Answers.

                  There are two kinds of people in the world: those who can extrapolate from incomplete data. There are only 10 types of people in the world, those who understand binary and those who don't.

                  1 Reply Last reply
                  0
                  • M Marc Clifton

                    bool isOffset = new bool();
                    if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
                    isOffset = true;
                    else
                    isOffset = false;

                    I'll stop now. Marc

                    V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                    Sander RosselS Offline
                    Sander RosselS Offline
                    Sander Rossel
                    wrote on last edited by
                    #9

                    Just in case your bools give you a NullReferenceException. And your BaR s have trailing spaces and lower cases. And you really need those if else statements... Just out of curiosity, are you sure Trim() also trims uppercased spaces? :D

                    Best, Sander arrgh.js - Bringing LINQ to JavaScript SQL Server for C# Developers Succinctly Object-Oriented Programming in C# Succinctly

                    L 1 Reply Last reply
                    0
                    • Sander RosselS Sander Rossel

                      Just in case your bools give you a NullReferenceException. And your BaR s have trailing spaces and lower cases. And you really need those if else statements... Just out of curiosity, are you sure Trim() also trims uppercased spaces? :D

                      Best, Sander arrgh.js - Bringing LINQ to JavaScript SQL Server for C# Developers Succinctly Object-Oriented Programming in C# Succinctly

                      L Offline
                      L Offline
                      Lost User
                      wrote on last edited by
                      #10

                      You joke, but I've seen code that "uppercased" spaces to \0

                      J 1 Reply Last reply
                      0
                      • M Marc Clifton

                        bool isOffset = new bool();
                        if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
                        isOffset = true;
                        else
                        isOffset = false;

                        I'll stop now. Marc

                        V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                        J Offline
                        J Offline
                        Jon McKee
                        wrote on last edited by
                        #11

                        A little pointless but not too crazy. bool is just an alias for System.Boolean. The else was the silly part.

                        Boolean isOffset = new Boolean(); //default false
                        if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
                        isOffset = Boolean.Parse(Boolean.TrueString);

                        Though I suspect unlike above that true and false are probably aliases for pre-defined constants. Couldn't find documentation on how they're created; above was just a guess using public Boolean members. Also true and false are operators that can be overloaded to create nullable types prior to .NET 2.0 (Nullable). Of course it's still silly to do it this way. bool is shorter to write and using true and false is both clearer and shorter.

                        L M 3 Replies Last reply
                        0
                        • L Lost User

                          You joke, but I've seen code that "uppercased" spaces to \0

                          J Offline
                          J Offline
                          Jon McKee
                          wrote on last edited by
                          #12

                          That is legitimately frightening :wtf:

                          1 Reply Last reply
                          0
                          • J Jon McKee

                            A little pointless but not too crazy. bool is just an alias for System.Boolean. The else was the silly part.

                            Boolean isOffset = new Boolean(); //default false
                            if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
                            isOffset = Boolean.Parse(Boolean.TrueString);

                            Though I suspect unlike above that true and false are probably aliases for pre-defined constants. Couldn't find documentation on how they're created; above was just a guess using public Boolean members. Also true and false are operators that can be overloaded to create nullable types prior to .NET 2.0 (Nullable). Of course it's still silly to do it this way. bool is shorter to write and using true and false is both clearer and shorter.

                            L Offline
                            L Offline
                            Lost User
                            wrote on last edited by
                            #13

                            This goes well with a comment such as // deep copy of true

                            1 Reply Last reply
                            0
                            • J Jon McKee

                              A little pointless but not too crazy. bool is just an alias for System.Boolean. The else was the silly part.

                              Boolean isOffset = new Boolean(); //default false
                              if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
                              isOffset = Boolean.Parse(Boolean.TrueString);

                              Though I suspect unlike above that true and false are probably aliases for pre-defined constants. Couldn't find documentation on how they're created; above was just a guess using public Boolean members. Also true and false are operators that can be overloaded to create nullable types prior to .NET 2.0 (Nullable). Of course it's still silly to do it this way. bool is shorter to write and using true and false is both clearer and shorter.

                              M Offline
                              M Offline
                              Marc Clifton
                              wrote on last edited by
                              #14

                              Well, the whole thing could be reduced to

                              bool isOffset = reader["foo"].ToString().ToUpper().Trim() == "BAR";

                              Why couldn't the programmer see that? Why didn't someone in the 2+ years that this code has been in production fix it? Marc

                              V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                              J J L 3 Replies Last reply
                              0
                              • M Marc Clifton

                                Well, the whole thing could be reduced to

                                bool isOffset = reader["foo"].ToString().ToUpper().Trim() == "BAR";

                                Why couldn't the programmer see that? Why didn't someone in the 2+ years that this code has been in production fix it? Marc

                                V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                                J Offline
                                J Offline
                                Jon McKee
                                wrote on last edited by
                                #15

                                Very true! :thumbsup: I was just pointing out that new bool() isn't as crazy as it looks at first glance :)

                                M 1 Reply Last reply
                                0
                                • J Jon McKee

                                  Very true! :thumbsup: I was just pointing out that new bool() isn't as crazy as it looks at first glance :)

                                  M Offline
                                  M Offline
                                  Marc Clifton
                                  wrote on last edited by
                                  #16

                                  Jon McKee wrote:

                                  I was just pointing out that new bool() isn't as crazy as it looks at first glance

                                  Quite so. I don't usually even think about bool being shorthand for System.Boolean, and it's good to be reminded of the deeper nuances of the language. Marc

                                  V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                                  1 Reply Last reply
                                  0
                                  • J Jon McKee

                                    A little pointless but not too crazy. bool is just an alias for System.Boolean. The else was the silly part.

                                    Boolean isOffset = new Boolean(); //default false
                                    if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
                                    isOffset = Boolean.Parse(Boolean.TrueString);

                                    Though I suspect unlike above that true and false are probably aliases for pre-defined constants. Couldn't find documentation on how they're created; above was just a guess using public Boolean members. Also true and false are operators that can be overloaded to create nullable types prior to .NET 2.0 (Nullable). Of course it's still silly to do it this way. bool is shorter to write and using true and false is both clearer and shorter.

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

                                    FWIW while bool is "sort of a struct", like all primitive types instances of it are "created" (without any ctors being called) by MSIL instructions, eg `true` is created by ldc.i4.1 And `new bool()` *literally is* (not just sort of metaphysically/hypothetically according to an AS-IF rule but the literal compiler output) ldc.i4.0 I guess the moral of this story is that bool is int

                                    J 1 Reply Last reply
                                    0
                                    • L Lost User

                                      FWIW while bool is "sort of a struct", like all primitive types instances of it are "created" (without any ctors being called) by MSIL instructions, eg `true` is created by ldc.i4.1 And `new bool()` *literally is* (not just sort of metaphysically/hypothetically according to an AS-IF rule but the literal compiler output) ldc.i4.0 I guess the moral of this story is that bool is int

                                      J Offline
                                      J Offline
                                      Jon McKee
                                      wrote on last edited by
                                      #18

                                      Interesting. Looking at the CLI Specification[^] I.8.2.2 on page 46 that makes sense. Under all the abstraction it's an integer type.

                                      1 Reply Last reply
                                      0
                                      • M Marc Clifton

                                        bool isOffset = new bool();
                                        if (reader["foo"].ToString().ToUpper().Trim() == "BAR")
                                        isOffset = true;
                                        else
                                        isOffset = false;

                                        I'll stop now. Marc

                                        V.A.P.O.R.ware - Visual Assisted Programming / Organizational Representation Learning to code with python is like learning to swim with those little arm floaties. It gives you undeserved confidence and will eventually drown you. - DangerBunny Artificial intelligence is the only remedy for natural stupidity. - CDP1802

                                        B Offline
                                        B Offline
                                        Bernhard Hiller
                                        wrote on last edited by
                                        #19

                                        Well, look: a variable must be initialized before it can be used. Now just imagine: somehow a third possibility comes into existence which is not covered by that if ... else - now you'll run into an error when you access isOffset because it was not initialized. :^)

                                        OriginalGriffO 1 Reply Last reply
                                        0
                                        • B Bernhard Hiller

                                          Well, look: a variable must be initialized before it can be used. Now just imagine: somehow a third possibility comes into existence which is not covered by that if ... else - now you'll run into an error when you access isOffset because it was not initialized. :^)

                                          OriginalGriffO Offline
                                          OriginalGriffO Offline
                                          OriginalGriff
                                          wrote on last edited by
                                          #20

                                          So you want

                                          if (...)
                                          ...
                                          else
                                          ...
                                          maybe
                                          ...

                                          :laugh:

                                          Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...

                                          "I have no idea what I did, but I'm taking full credit for it." - ThisOldTony
                                          "Common sense is so rare these days, it should be classified as a super power" - Random T-shirt

                                          J 1 Reply Last reply
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