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    It's said that with polymorphism, we can access a derived class member field with it's base class object like this: ... take Tool as it's type? See Question&Answers more detail:os...
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    I am banging my head on this one for a while so I figure I will post. I have two library projects where ... .h': No such file or directory See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to get the model from my SQlite Database, when I set the query in the QSqlQueryModel I can get the ... fill: parent text: nombre } } See Question&Answers more detail:os...
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    I need to copy the full filepath, without filename, into a QString from QFileDialog below. QString fileName = QFileDialog: ... Files (*.apk)")); See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have been having the following problem: std::tuple<Ts...> some_tuple = std::tuple<Ts...>(); for (int i = 0; i < ... = i; vs. const int j = 1; See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    TL;DR On multiprocessors/multicores engines, more than one RT SCHED_FIFO threads may be scheduled on more than one execution ... (); return 0; } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I made a game using SDL and OpenGL in C++, which is of course common for games. Windows 10 should be able to ... Windows 10 detect it as a game? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have tried fallowing this tutorial and it did not work. I do not know why it is not working. I'm using ... : error: ld returned 1 exit status See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to display a list of ActiveX controls for the user to choose. It needs to show the control ... controls from COM automation servers? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    When I run the example code, the wordLength is 7 (hence the output 7). But my char array gets some really weird ... And how did it end up there? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to talk to a an usb device connected to an EasySync USB2-H-5004-M USB to RS485 converter at ... device using the FTDI D2XX library ? See Question&Answers more detail:os...
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    I'm working in Android, writing some JNI code, and I'm looking for a way to query the Mobile Equipment ... . Dumpsys permission denial in java See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    There are numerous example on SO regarding the use of placeholders however I am still a little bit confused and ... need of a placeholder ? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to compile a project I recently started working on, and was asked to compile the code in clang ... info. Many thanks in advance! See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to avoid the situation described in this Stackoverflow entry: Debugging core files generated on a Customer' ... . Edit: fixed typo. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    say I have a std::vector with N elements. I would like to copy every n-th element of it to a new ... to use external libraries such as boost. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am new to COM and have to create a COM wrapper for a C++ dll, to make some functionality in it ... DLL that tblimp.exe generates from it? See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    i have something like while(playAgain==true) { cout<<"new game"<<endl; //i know 'using namespace std;' is ... break out of both of the loops See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    So I just had a question, In c++11 why do I have to specify the type of a static member to assign ... being already declared? Thanks in advance. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am creating a keystroke logger for my personal interest, as well wanting to know how to capture and use them ... E to make the program exit. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to use AES-256 encryption/decryption in my C++ code to do that I use cryptoPP library, I have ... : invalid PKCS #7 block padding found See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I need to free the bitpointer, because this function is executed multiple times and memory usage is growing for a ... []bitPointer; ///Error } See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to build a project by cmake 2.8.12 with visual studio 10 in 32bit architecture. ... find PkgConfig (missing: PKG_CONFIG_EXECUTABLE) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    What I wish to do is, after creating a dialog box with DoModal() and pressing OK in the box to exit it, ... the user would input in the dialog. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am trying to write a program to solve a quadratic equation whose coefficients' values do not exceed 100 by absolute ... t believe it's a bug. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have problems linking against boost python. I am using Visual Studio 2017 and compiled the boost 1_64 package ... ..lib as linker dependency. See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a strange problem with a calculator made using boost::spirit. This calculator is supposed to take a ... this error comes from? Thanks See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have an in-memory sqlite database which I want to convert to a simple blob, and I want to do this ... (Development is done using C++) See Question&Answers more detail:os...
asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)
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