General and Desktop

@SGaist said in Qt Creator (Qt 5.8) does not start (OS: windows 7 32x): Hi, What kind of graphic card do you have on your system ? Lately some people had problem do to the requirements of the Welcome plugin. You can try starting Qt Creator with it disabled. Thank you, solved! QtCreator.ini [Plugins] Ignored=Welcome

Hi and welcome to devnet, I'm not aware of such a feature currently available in Qt's help system. I'd recommend bringing this question to the interest mailing list. You'll find there Qt's developers/maintainers. This forum is more user oriented.

That's right, I misunderstood your idea using the channel count

Thanks guys for replies, generally my app isn't well designed because it's for education purpose. Anyway thank you very much.

http://www.cplusplus.com/doc/tutorial/classes2/

I got it. I needed to add completerModel = new QStringListModel(); Prior setting the string list.

Well, it's "invented" not to make you less careful about memory, but exactly because deleteing an object that's referenced in a queued event in the event loop is pretty nasty - I'd segfault.

QStringList list = str.split(QRegularExpression("\s+(?=[0-9]|RO|LEG1)"));

Yet another weird way of doing it (requires C99 compliance for unions): union { qint32 i32bit; struct { qint8 byte1, byte2, byte3, byte4; } bytes; } data; data.bytes.byte1 = 0b00000010; data.bytes.byte2 = 0b00000100; data.bytes.byte3 = 0b00001100; data.bytes.byte4 = 0b00001110; qint32 result = data.i32bit; Warning: Code doesn't take into account endianness.

Move the Qn to solved state. This helps others as well

Here you can see: table devices, table clients and the combo in the form: [image: Tables_combo.png] In the form, when I select 'Daniel" from the list (which has an id=4), I want number 4 to be assigned to devices.client_id. (devices.client_id to be stored with value equal to 4)

OK, no leak. I have also recognized this in further tests. And if you stop the timer after 10000 ticks you can see that the memory is somehow decreasing. Perhaps the garbage collector is doing his job with a loooong delay.

@jsulm and @koahnig : Thanks for your reply. You were correct it was not issue related to qt. Still would like to answer for any other user doing the same. Qt connects to any external database if it does with the local. Here in case of aws there was issue in access rights of the database which does not allowed any other application remotely to connect, so in that case we have to allow that users to allow external application to connect to the database.

@Devopia53 said in Unresolved external symbols: Which compiler version are you using? If it is an MSVC version, like this: [image: 1486543841321-capture-resized.png] image url)

I have modified my application to work with QGLWidget if I can't create an QOpenGLContext. It works quite well (on my pc) if I force my application to use QGLWidget. But If I try on TSE server my QGLWidget is never refreshed, it seems paintGL is never called, worse I think QGLContext can't be created. (I'm not sure because I can't debug on TSE for now). That's weird because an old MFC application uses openGL 1.1 on this server. What I've missed ? thanks, Sorry for my horrible english.

@JNorth Yes, it is possible. Use QLineEdit to enter a string (name for a radio button). If user finishes entering the text use the text from this QLineEdit and set it in QRadioButton (see http://doc.qt.io/qt-5.8/qabstractbutton.html#text-prop).

@ARASHz4 Could be a bug, you should check https://bugreports.qt.io/secure/Dashboard.jspa

I apologise if I wasn't clear, I am asking how can I get the opened windows, the currently running programs with an UI, the ones that should be shown in a taskbar or a dock (Firefox, qt creator, mail clients etc) on a Linux system with Qt. Thanks for your suggestion but unfortunately QDesktopServices doesn't seem to have what I'm looking for.