qt5

Actually, so far, a little clumsy method has come to mind: BYTE GetAvailableMemory(){ llu MaxMemory = Settings: ... e this clumsy memory counter and whether it will also work on Linux and mac, as on Windows (not will it put the system down)?

I write a small player using QMediaPlayer. There is a signal that is triggered every 1000 milliseconds. I'm wondering, is it ... time like 2:23 (2 minutes twenty-three seconds), or do I need to make 2 widgets; one for minutes and the second for seconds?

I have a QByteArray containing the following JSON: { "response": { "count": 2, "items": [ {" ... emObject, the second debag outputs nothing. Tell me, maybe you need to parse differently or why this method does not work?

Now I'm writing a data exchange program in QT Creator 5.12 through, let's say, a specific data network. The "modems" of this ... y message) { if (serial->isWritable() == false) { return 0; } return serial->write(message); }

I want to make a thread controller that will run the same object Worker several times. How do I do this? Below is an example ... d, this, [] (int i) { qDebug() << "finish" << i; }); _c.start(); } MainWindow::~MainWindow() { delete ui; }

There is a problem. I decided to do a static compilation on Qt 5.15.0 MinGW Windows 10. I decided to spend on an empty projec ... f collect2.exe: error: ld returned 1 exit status mingw32-make[1]: *** [Makefile.Release:74: release/Test_Static.exe] Error 1

How do I make a relative path to a dll? File structure: - root - myProg * myProg.exe - myLib * myLi ... b.dll UDP: I still don't understand how to make a manifest file where you need to specify the relative path to the library?

You need to write a script that will install the file from the Internet by clicking on the button, but it should be a progres ... orka.zip' file_name = 'sborka.zip' thread = Thread(target=download_file, args=(url, file_name)) thread.start()

I worked with the Qt libraries that I compiled from the source code in Windows 7. Built with the following configuration: . ... t libraries without cygwin and mingw. Something like this: .\configure.bat -debug-and-release -platform win-x64-msvc2015 …

Created the Qt Quick app in QtCreator. I need to remove the title of the window with the name and the close, minimize buttons ... Url) QCoreApplication::exit(-1); }, Qt::QueuedConnection); engine.load(url); return app.exec(); }

How can I change the background-color QComboBox without using styleSheet? Using this code: QComboBox *cmb = new QComboBox(th ... ins the standard color - how do I change the color of the comboBox completely? (I attach a screenshot of the current result)

Using Qt 5.6.1 C++ In general, I need to change the existing value of the parameter, before checking it. But first I decided ... \VirtualStore\Machine\Software\Wow6432Node\Myprogram What is this path, where did it come from? I pointed it out another way.

I3wm (or rather i3wm-gaps) does not correctly display Qt5 applications, namely, it makes widgets disproportionately large. I tried to change something via qt5ct, but it closes when I click on "style sheet"

Greetings to all. It is not possible to collect jom from isodniki. I am in the directory c:\jom\jom-build, and in the directo ... ment, but the nmake utility works in 1 thread, so I wanted to install jom to deal with the installation of Qt5 itself faster.

I created QTableWidget, hung my QHeaderView on it, and it turned out like this: Code: TableViewer = new QTableWidget(1, 2, t ... h their own labels, how to do this? Well, or even hide the header, so that only the cells are displayed in the widget window.

In the files panel, I don't see any files and the original standard project doesn't compile. I just go through the initial vi ... d not determine which "make" command to run. Check the "make" step in the build configuration. Where can I see it? Thank you

After building the project release, I moved the exe file to a separate directory. Threw all the dlls that he asked for to run ... rt because it could not find or load the Qt platform plugin "windows". How do I get rid of this? How to compile correctly?

Please correct the regular schedule here: QRegExp PIDRegExp(attr + "Rev_(.+)[&\\]"); It is necessary that from this: G&Rev_1100\1 this is drawn out: 1100 instead of the symbol \ there can be another symbol & so I put [&\\]

Hello everyone How to put an image on a button - I did this: Button { id: btn width: 250 height: 100 anchor ... all day, and now I'm asking for your help. This is a standard button (btn_state) This is the pressed button (btn_pressed)

When adding the code JSParse *jsp = new JSParse(); jsp->sendRequest(); In main.cpp #include "mainwindow.h" #include "s ... rse.cpp HEADERS += mainwindow.h \ glscene.h \ sql.h \ jsparse.h FORMS += mainwindow.ui What is the problem?