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  3. Code comments: How do you comment your code?

Code comments: How do you comment your code?

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  • D Dalek Dave

    /// Here is my Comment about function Here is my Code /// here is any extraneous explanation

    ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

    D Offline
    D Offline
    Dalek Dave
    wrote on last edited by
    #8

    Sometimes I don't comment. I do not wish others to change jack about things and hate it when this happens. I have 'My Version' (with comments) and the version I distribute (sans comments). Is this Paranoia?

    ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

    N 1 Reply Last reply
    0
    • OriginalGriffO OriginalGriff

      Harvey Saayman wrote:

      how do you comment your code?

      Accurately. :laugh:

      All those who believe in psycho kinesis, raise my hand.

      M Offline
      M Offline
      Mark_Wallace
      wrote on last edited by
      #9

      OriginalGriff wrote:

      Harvey Saayman wrote: how do you comment your code? Accurately.

      You keep the crayon within the lines?

      I wanna be a eunuchs developer! Pass me a bread knife!

      OriginalGriffO N 2 Replies Last reply
      0
      • OriginalGriffO OriginalGriff

        Harvey Saayman wrote:

        how do you comment your code?

        Accurately. :laugh:

        All those who believe in psycho kinesis, raise my hand.

        D Offline
        D Offline
        Dalek Dave
        wrote on last edited by
        #10

        We all know the story about the CS teacher who asked his pupils to comment their code. It was full of things like "This is slick Code" and "This works well".

        ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

        1 Reply Last reply
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        • D Dalek Dave

          Sometimes I don't comment. I do not wish others to change jack about things and hate it when this happens. I have 'My Version' (with comments) and the version I distribute (sans comments). Is this Paranoia?

          ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

          N Offline
          N Offline
          Nelek
          wrote on last edited by
          #11

          I have done it as well. But not only deleting comments, sometimes editing function names (search and replace) with some cryptic / not easy names as well (of course having a relation of the equivalences just in case to be able to reverse it)

          Regards. -------- M.D.V. ;) If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about? Help me to understand what I'm saying, and I'll explain it better to you Rating helpfull answers is nice, but saying thanks can be even nicer.

          D M 2 Replies Last reply
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          • M Mark_Wallace

            Nagy Vilmos wrote:

            I am trying to get the monkeys developers here to get in the habbit of writting comments BEFORE code. This might aseem stupid but it is very effective.

            Seems anything but stupid, to me. Some of us remember the days when writing code from pseudocode was the norm. It's amazing the number of improvements you can come up with (and logical errors you can spot) by writing down what things will do before writing the code for them.

            I wanna be a eunuchs developer! Pass me a bread knife!

            D Offline
            D Offline
            Dalek Dave
            wrote on last edited by
            #12

            When trying to work out what needs to be done, before I actually write any proper code I do a brief Comment and Pseudo code excercise. I find that puts things into a logical order and speeds up work when I get to the nitty-gritty.

            ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

            1 Reply Last reply
            0
            • N Nelek

              I have done it as well. But not only deleting comments, sometimes editing function names (search and replace) with some cryptic / not easy names as well (of course having a relation of the equivalences just in case to be able to reverse it)

              Regards. -------- M.D.V. ;) If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about? Help me to understand what I'm saying, and I'll explain it better to you Rating helpfull answers is nice, but saying thanks can be even nicer.

              D Offline
              D Offline
              Dalek Dave
              wrote on last edited by
              #13

              < Dalek Voice> Obfusticate! Obfusticate! < /Dalek Voice>

              ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

              1 Reply Last reply
              0
              • M Mark_Wallace

                OriginalGriff wrote:

                Harvey Saayman wrote: how do you comment your code? Accurately.

                You keep the crayon within the lines?

                I wanna be a eunuchs developer! Pass me a bread knife!

                OriginalGriffO Offline
                OriginalGriffO Offline
                OriginalGriff
                wrote on last edited by
                #14

                Mark Wallace wrote:

                You keep the crayon within the lines?

                Spraycan and a stencil - much easier!

                All those who believe in psycho kinesis, raise my hand.

                "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

                1 Reply Last reply
                0
                • M Mark_Wallace

                  OriginalGriff wrote:

                  Harvey Saayman wrote: how do you comment your code? Accurately.

                  You keep the crayon within the lines?

                  I wanna be a eunuchs developer! Pass me a bread knife!

                  N Offline
                  N Offline
                  Nagy Vilmos
                  wrote on last edited by
                  #15

                  [camp] Ooh! Get you! [/camp]


                  Panic, Chaos, Destruction. My work here is done.

                  1 Reply Last reply
                  0
                  • M Mark_Wallace

                    Nagy Vilmos wrote:

                    I am trying to get the monkeys developers here to get in the habbit of writting comments BEFORE code. This might aseem stupid but it is very effective.

                    Seems anything but stupid, to me. Some of us remember the days when writing code from pseudocode was the norm. It's amazing the number of improvements you can come up with (and logical errors you can spot) by writing down what things will do before writing the code for them.

                    I wanna be a eunuchs developer! Pass me a bread knife!

                    N Offline
                    N Offline
                    Nagy Vilmos
                    wrote on last edited by
                    #16

                    I find anybody who was coding [professionally] more than 15-20 years ago is pretty good on pre-commenting. It's the low order primates that cause me grief.


                    Panic, Chaos, Destruction. My work here is done.

                    1 Reply Last reply
                    0
                    • H Harvey Saayman

                      I'm busy writing a high load TCP server from absolute scratch in C# I've just started to implement the protocol I've been designing over the past few weeks and I really want to make an effort to comment this well because its quite complex and maintenance will be much easier that way, especially if other programmers need to maintain it a few years down the line. I've decided to make use of regions more than inline code comments although the in-lines are still there (usually explaining why your in a specific part of an if statement) So how do you comment your code?

                      Harvey Saayman - South Africa Software Developer .Net, C#, SQL you.suck = (you.Occupation == jobTitles.Programmer && you.Passion != Programming) 1000100 1101111 1100101 1110011 100000 1110100 1101000 1101001 1110011 100000 1101101 1100101 1100001 1101110 100000 1101001 1101101 100000 1100001 100000 1100111 1100101 1100101 1101011 111111

                      realJSOPR Offline
                      realJSOPR Offline
                      realJSOP
                      wrote on last edited by
                      #17

                      Regions aren't an adequate replacement for comments. I comment the code profusely, and in the event that there is a sufficiently complex implementation, I write a separate "How It Works" document in Word, and make check that document into source control with the rest of the project.

                      .45 ACP - because shooting twice is just silly
                      -----
                      "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
                      -----
                      "The staggering layers of obscenity in your statement make it a work of art on so many levels." - J. Jystad, 2001

                      D D 2 Replies Last reply
                      0
                      • realJSOPR realJSOP

                        Regions aren't an adequate replacement for comments. I comment the code profusely, and in the event that there is a sufficiently complex implementation, I write a separate "How It Works" document in Word, and make check that document into source control with the rest of the project.

                        .45 ACP - because shooting twice is just silly
                        -----
                        "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
                        -----
                        "The staggering layers of obscenity in your statement make it a work of art on so many levels." - J. Jystad, 2001

                        D Offline
                        D Offline
                        Dalek Dave
                        wrote on last edited by
                        #18

                        John Simmons / outlaw programmer wrote:

                        I comment the code profusely, and in the event that there is a sufficiently complex implementation, I write a separate "How It Works" document in Word, and make check that document into source control with the rest of the project.

                        That seems very concise, but I, unfortunately, have never written anything so complex as to warrent that. However, I shall bear it in mind if ever I do.

                        ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

                        realJSOPR 1 Reply Last reply
                        0
                        • H Harvey Saayman

                          I'm busy writing a high load TCP server from absolute scratch in C# I've just started to implement the protocol I've been designing over the past few weeks and I really want to make an effort to comment this well because its quite complex and maintenance will be much easier that way, especially if other programmers need to maintain it a few years down the line. I've decided to make use of regions more than inline code comments although the in-lines are still there (usually explaining why your in a specific part of an if statement) So how do you comment your code?

                          Harvey Saayman - South Africa Software Developer .Net, C#, SQL you.suck = (you.Occupation == jobTitles.Programmer && you.Passion != Programming) 1000100 1101111 1100101 1110011 100000 1110100 1101000 1101001 1110011 100000 1101101 1100101 1100001 1101110 100000 1101001 1101101 100000 1100001 100000 1100111 1100101 1100101 1101011 111111

                          D Offline
                          D Offline
                          dan sh
                          wrote on last edited by
                          #19

                          I prefer this: 1. Group related methods in a region. 2. XML style commenting for the methods. You can also keep each method in a region of its own. This removes the scrolling required in case of huge file. 3. If the method is huge, break that into regions as well (better to split it into smaller methods). 4. Every important line/block of code should have a comment before stating what it is doing. 5. In case there are nested if/else, keep footer comments to make sure you don't have to wonder where did you missed that closing "}". 6. In case you have written some "work around" (read weird stuff), do not forget to mention the reason for it or else the other guy would mess that curse you forever. 7. In the end, read the entire file and get rid of excessive commenting.

                          50-50-90 rule: Anytime I have a 50-50 chance of getting something right, there's a 90% probability I'll get it wrong...!!

                          1 Reply Last reply
                          0
                          • M Mark_Wallace

                            Nagy Vilmos wrote:

                            I am trying to get the monkeys developers here to get in the habbit of writting comments BEFORE code. This might aseem stupid but it is very effective.

                            Seems anything but stupid, to me. Some of us remember the days when writing code from pseudocode was the norm. It's amazing the number of improvements you can come up with (and logical errors you can spot) by writing down what things will do before writing the code for them.

                            I wanna be a eunuchs developer! Pass me a bread knife!

                            L Offline
                            L Offline
                            Lost User
                            wrote on last edited by
                            #20

                            Join the cool kids - Come fold with us[^]

                            M 1 Reply Last reply
                            0
                            • N Nelek

                              I have done it as well. But not only deleting comments, sometimes editing function names (search and replace) with some cryptic / not easy names as well (of course having a relation of the equivalences just in case to be able to reverse it)

                              Regards. -------- M.D.V. ;) If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about? Help me to understand what I'm saying, and I'll explain it better to you Rating helpfull answers is nice, but saying thanks can be even nicer.

                              M Offline
                              M Offline
                              Mark_Wallace
                              wrote on last edited by
                              #21

                              Nelek wrote:

                              editing function names (search and replace) with some cryptic / not easy names

                              Has anyone ever asked you what Function FormatCDrive() actually does?

                              I wanna be a eunuchs developer! Pass me a bread knife!

                              D 1 Reply Last reply
                              0
                              • M Mark_Wallace

                                Nelek wrote:

                                editing function names (search and replace) with some cryptic / not easy names

                                Has anyone ever asked you what Function FormatCDrive() actually does?

                                I wanna be a eunuchs developer! Pass me a bread knife!

                                D Offline
                                D Offline
                                Dalek Dave
                                wrote on last edited by
                                #22

                                hmm, let me just try th

                                ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

                                1 Reply Last reply
                                0
                                • H Harvey Saayman

                                  I'm busy writing a high load TCP server from absolute scratch in C# I've just started to implement the protocol I've been designing over the past few weeks and I really want to make an effort to comment this well because its quite complex and maintenance will be much easier that way, especially if other programmers need to maintain it a few years down the line. I've decided to make use of regions more than inline code comments although the in-lines are still there (usually explaining why your in a specific part of an if statement) So how do you comment your code?

                                  Harvey Saayman - South Africa Software Developer .Net, C#, SQL you.suck = (you.Occupation == jobTitles.Programmer && you.Passion != Programming) 1000100 1101111 1100101 1110011 100000 1110100 1101000 1101001 1110011 100000 1101101 1100101 1100001 1101110 100000 1101001 1101101 100000 1100001 100000 1100111 1100101 1100101 1101011 111111

                                  R Offline
                                  R Offline
                                  Ravi Bhavnani
                                  wrote on last edited by
                                  #23

                                  I've been using a simple yet effective rule for writing comments for decades:

                                  • Remove all code except for block boundaries (i.e. everything except stuff in conditional expressions and opening and closing curly braces).
                                  • Do the remaining comments and "code shell" represent the psuedocode fairly accurately?
                                  • If yes, you're done. Else, you need more comments.

                                  It's amazing how well this rule works.  Without conciously trying, applying this rule caused me to move from writing few long-winded PhD thesis comment blocks to several small one-line phrases that increase readability many fold. /ravi

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

                                  1 Reply Last reply
                                  0
                                  • H Harvey Saayman

                                    I'm busy writing a high load TCP server from absolute scratch in C# I've just started to implement the protocol I've been designing over the past few weeks and I really want to make an effort to comment this well because its quite complex and maintenance will be much easier that way, especially if other programmers need to maintain it a few years down the line. I've decided to make use of regions more than inline code comments although the in-lines are still there (usually explaining why your in a specific part of an if statement) So how do you comment your code?

                                    Harvey Saayman - South Africa Software Developer .Net, C#, SQL you.suck = (you.Occupation == jobTitles.Programmer && you.Passion != Programming) 1000100 1101111 1100101 1110011 100000 1110100 1101000 1101001 1110011 100000 1101101 1100101 1100001 1101110 100000 1101001 1101101 100000 1100001 100000 1100111 1100101 1100101 1101011 111111

                                    S Offline
                                    S Offline
                                    Single Step Debugger
                                    wrote on last edited by
                                    #24

                                    I don’t comment my code, even the most complex parts. Nobody pays me for comments, they want functionality and reliability. What?

                                    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.

                                    D 1 Reply Last reply
                                    0
                                    • D Dalek Dave

                                      John Simmons / outlaw programmer wrote:

                                      I comment the code profusely, and in the event that there is a sufficiently complex implementation, I write a separate "How It Works" document in Word, and make check that document into source control with the rest of the project.

                                      That seems very concise, but I, unfortunately, have never written anything so complex as to warrent that. However, I shall bear it in mind if ever I do.

                                      ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

                                      realJSOPR Offline
                                      realJSOPR Offline
                                      realJSOP
                                      wrote on last edited by
                                      #25

                                      I do it mainly for myself so that I can remember the whats-and-whys more than anything else, and to provide a foundation of knowledge regarding the system, and the reasons for its existence.

                                      .45 ACP - because shooting twice is just silly
                                      -----
                                      "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
                                      -----
                                      "The staggering layers of obscenity in your statement make it a work of art on so many levels." - J. Jystad, 2001

                                      1 Reply Last reply
                                      0
                                      • S Single Step Debugger

                                        I don’t comment my code, even the most complex parts. Nobody pays me for comments, they want functionality and reliability. What?

                                        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.

                                        D Offline
                                        D Offline
                                        Dalek Dave
                                        wrote on last edited by
                                        #26

                                        And you want to keep the contract, right?

                                        ------------------------------------ No Good Deed Goes Unpunished Clare Boothe Luce

                                        S 1 Reply Last reply
                                        0
                                        • realJSOPR realJSOP

                                          Regions aren't an adequate replacement for comments. I comment the code profusely, and in the event that there is a sufficiently complex implementation, I write a separate "How It Works" document in Word, and make check that document into source control with the rest of the project.

                                          .45 ACP - because shooting twice is just silly
                                          -----
                                          "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
                                          -----
                                          "The staggering layers of obscenity in your statement make it a work of art on so many levels." - J. Jystad, 2001

                                          D Offline
                                          D Offline
                                          dan sh
                                          wrote on last edited by
                                          #27

                                          John Simmons / outlaw programmer wrote:

                                          I write a separate "How It Works" document in Word

                                          Cool! I also maintain a notepad file (just for myself) containing why I wrote the code block that way. I also try to maintain what I had tried and why it failed so that I don't end up doing same thing again.

                                          50-50-90 rule: Anytime I have a 50-50 chance of getting something right, there's a 90% probability I'll get it wrong...!!

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