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The current scope of the advanced C++ exam. What do you think?

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    Franzk
    wrote on last edited by
    #15

    [quote author="Taamalus" date="1288919489"]
    I think STL is standard C++, and comes with QT Creator, or at least with my MinGW. I understand QT developers promoting QT and to omit Boost in exams, but I believe the exam under Miscellaneous Topic calls for templates and QTContainers, that looks very close to STL. ;)[/quote]
    In that case anything that uses templates looks like STL. Nice one. STL should not considered C++ basics because of the simple fact that you can completely do without STL. That would of course mean you would have to implement a lot yourself.

    "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

    http://www.catb.org/~esr/faqs/smart-questions.html

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      Taamalus
      wrote on last edited by
      #16

      @@[quote author="Franzk" date="1289058858"] [quote author="Taamalus" date="1288919489"] I think STL is standard C++, and comes with QT Creator, or at least with my MinGW. I understand QT developers promoting QT and to omit Boost in exams, but I believe the exam under Miscellaneous Topic calls for templates and QTContainers, that looks very close to STL. ;)[/quote] In that case anything that uses templates looks like STL. Nice one. STL should not considered C++ basics because of the simple fact that you can completely do without STL. That would of course mean you would have to implement a lot yourself.[/quote]
      Not sure, if to respond or not, but since it's a direct quote, my closing arguments ... ;)

      The QT reference library I have has a Qvector.h
      I quote QT's own sample:

      QVector<int> integerVector;
      QVector<QString> stringVector;

      I stand behind what I wrote, "it looks very close to STL", in case <vector>

      Btw. What is considered valid components in C++ is determined by the
      http://www.open-std.org/jtc1/sc22/wg21/docs/standards

      ... time waits for no one. - Henry

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        Franzk
        wrote on last edited by
        #17

        In that case, consider QString versus std::string. And don't forget the STL vector is one with default template arguments.

        "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

        http://www.catb.org/~esr/faqs/smart-questions.html

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          IrQX
          wrote on last edited by
          #18

          My opinion is, boost shouldn't be included to Qt exams. If you needed boost specialist you should ask him for boost certification. Qt is not a part of boost library, and boost isn't part of Qt. Yes, it implemets some methods, that arleardy implemented in boost. But it is another technology.

          BTW, we can think of adding following points too…
          QFlag{s}, standart templates, such as singleton.

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            IrQX
            wrote on last edited by
            #19

            BTW, I wrote wiki page about using QFlags. But, I've created it not in learning category. Plase move it.
            "QFlags":http://developer.qt.nokia.com/wiki/QFlags_tutorial

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              tobias.hunger
              wrote on last edited by
              #20

              IrQX: I put your page into the "snippets" category. Feel free to change that if you like (the Category is just a tag in the page which can be edited like the rest of the text).

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                giesbert
                wrote on last edited by
                #21

                I think the scope of the exam is fine as it is. STL (from my point of view) is an extension to C++ and can be used as it is standard, but it's not an integral part of C++. Same to Boost, it is good, I also use it, but it's not part of raw C++. And even not of Qt. So for this exam, both should not be considered.

                Nokia Certified Qt Specialist.
                Programming Is Like Sex: One mistake and you have to support it for the rest of your life. (Michael Sinz)

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                  IrQX
                  wrote on last edited by
                  #22

                  [quote author="Tobias Hunger" date="1290588895"]IrQX: I put your page into the "snippets" category. Feel free to change that if you like (the Category is just a tag in the page which can be edited like the rest of the text).[/quote]

                  Thanks. I've lost a lot of time searched how to move topic.

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                    Wolf P.
                    wrote on last edited by
                    #23

                    The keyword volatile should be known and the new operator overloading --
                    this should be interesting to those who think C++ cannot be used in embedded programming. As I learned when programming a game with min-max-trees: calling new does not automatically mean "digging the heap".

                    And - how could I forget about this! - exception handling should be included.

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                      Wolf P.
                      wrote on last edited by
                      #24

                      [quote author="Denis Kormalev" date="1290689759"] Wolf P., operator new overloading is a really specific thing and I'm not
                      sure it should be included.
                      Exceptions are not a common practice in current Qt library design, so no
                      sure they should be in this exam (exam is about Qt all in all, not about
                      generic C++)[/quote]

                      Exception handling is an integral part of the C++ standard for decades,
                      although often misunderstood or misused.
                      Imagine you are about to use existing excellent C++ sources in your Qt
                      project that make use of exceptions, should you avoid it? In this it
                      will be better to know how to catch them the right way and transform them.

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                        DenisKormalev
                        wrote on last edited by
                        #25

                        Wolf P., as for me it is somewhere close to boost. Of course good developer should know how to work with both of them, but not sure it is good part of Qt exam.

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                          giesbert
                          wrote on last edited by
                          #26

                          Same for overloading new. I agree, that custom memory management is sometimes needed, buts The exam is for C** with Qt. And I'm not pretty sure, if overloading new is really relevant for most Qt projects...

                          Nokia Certified Qt Specialist.
                          Programming Is Like Sex: One mistake and you have to support it for the rest of your life. (Michael Sinz)

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                            goetz
                            wrote on last edited by
                            #27

                            [quote author="Gerolf Reinwardt" date="1290695575"]And I'm not pretty sure, if overloading new is really relevant for most Qt projects...[/quote]

                            It's questionable if it is relevant to most C++ projects at all :-) Knowing that something is possible, does not necessarily mean that a relevant bunch of programmers do need it regularly.

                            http://www.catb.org/~esr/faqs/smart-questions.html

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                              Wolf P.
                              wrote on last edited by
                              #28

                              Ok -- what about the following?

                              Classes

                              • know when to "forbid" copy constructor and assignment operator

                              Miscellaneous Topics

                              • know the "pimpl" idiom

                              Advanced Topics

                              • how to create APIs that make good code looking good and bad code looking bad
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                                DenisKormalev
                                wrote on last edited by
                                #29

                                Last one is something that I can't imagine how to put it into exam format.

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                                  IrQX
                                  wrote on last edited by
                                  #30

                                  agreed with Denis. Last one is redundant.

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                                    Wolf P.
                                    wrote on last edited by
                                    #31

                                    [quote author="IrQX" date="1290934467"][...] Last one is redundant.[/quote] redundant? In what sense?

                                    I would say you can check it with multiple choice tests. Unexperienced developers tend to look only on their class instead of checking its usability. For instance, in the development of an API they often prefer to add additional parameters to existing methods instead of adding new methods.
                                    I think good API design can be tested in an exam.

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                                      goetz
                                      wrote on last edited by
                                      #32

                                      [quote author="Wolf P." date="1290946037"]
                                      I think good API design can be tested in an exam.[/quote]

                                      IMOH, "good API design" is, at least to a big part, a matter of taste, it's hard to be tested in an exam.

                                      http://www.catb.org/~esr/faqs/smart-questions.html

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                                        IrQX
                                        wrote on last edited by
                                        #33

                                        [quote author="Wolf P." date="1290946037"][quote author="IrQX" date="1290934467"][...] Last one is redundant.[/quote] redundant? In what sense?

                                        I would say you can check it with multiple choice tests. Unexperienced developers tend to look only on their class instead of checking its usability. For instance, in the development of an API they often prefer to add additional parameters to existing methods instead of adding new methods.
                                        I think good API design can be tested in an exam.[/quote]

                                        Any suggestions, how it can be implemeted in exam? I means example qustions for it.
                                        There are no method, that allows estimate quality of design. How you can say that "this design is bad" and "this design is good"? It will be only yours humble opition, no more.
                                        That is formal mathimatics problem, which is impossible to prove, yet. Anyway, "good API design" shouldn't be included in "advaced c++ exam". Designing good API is modeling problem. Basics of "API designing in C++" - virtual functions is already included in cirriculum block.

                                        P.S. I'm suspecting, that I made some errors in text. I appologize for it. English isn't my native language. Have a good day.

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                                          IrQX
                                          wrote on last edited by
                                          #34

                                          Today, I took this exam. I must told to you next thing.
                                          I answer on question for 32-34 minutes. Next I wrote comments for about 15-20 minutes. Then test-system said, that time is over. 33 + 17 = 50 minutes, no 60!. When I took Qt Essentails exam this problem also was present. And in first exam was no extra-time for non-english people.

                                          As for me, exams was almost easy, and that time more then enough. But this issue not seems to be good. So, I guess, is this problem of testing center, or something other?

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