39 questions
Hello, I'm a student currently programming on Qt. Now, I'm going to use the server-side program and the client-side program to take a picture taken with the computer's webcam. I'm writing the code to ...
klusters:symbol lookup error: /usr/local/Trolltech/Qt-4.8.6/lib/libQtNetwork.so.4: undefined symbol:_ZN16QIODevicePrivate4peakEPcxlrwxrwxrwx1 root root 21 May 12 16:03/usr/local/Trolltech/Qt-4.8.6/lib...
I'm trying to build a distributed program using VS2015 x64 Native Tools Command Prompt.cd buildqmakenmake releaseInstructions are written as follows:Apparently using OpenCV and Qt.As a precaution, it ...
sample.txtThe contents of are Apple=150range=300grape=200when I would like to, but with the code below, I will get stuck in else if(key!=grape) whether there is a scrap or not.If there is a scrap, how...
If you run the Qt5 Gui application for a long time (30 minutes, 2 hours, etc.) on Windows 10, an error such as Application has stopped working will occur.A program is a program that serializes with Ar...
I am a beginner who has never used IDE before.I've been working on C++ challenges in recent months.Up until now, I have compiled and run on MacOS terminals, but debugging takes time, so I thought I wo...
Could you tell me how to create a GUI application using QtCreator?I would like to use the Qt GUI application project to create Notepad in Qt. I am troubled that there is no project with that name in t...
I don't know how to run the program below and finish it properly when I close win1,win2 in the window I created.I'd like to write a code like the so-called event handler in pyqtgraph, so please tell m...
Host OS: ubuntu-desktop 18.04 running bareharddocker image: Installation of development tools and libraries you want to use for ubuntu-desktop 18.04In this configuration, I cannot input Japanese in th...
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