@artem1997262 said in QMYSQL driver not loaded on Ubuntu: Although below shows found that file Where is it located? And did you check whether it is 64bit this time?

Well I feel a bit silly, but I thought I had tried that. Seems to work now though.

Hi, Not knowing the FreeBase API it's hard to answer. Do you have a link of it ? In any case, the worst case scenario would be to fetch the whole data, change the fields you want and then send again the whole data.

@Christian-Ehrlicher thank you for your help :)

@FPEY said in QSortFilterProxyModel: Reset model shows ghost items: EDIT: Nevermind, my issue was also a stupid mistake: I was simply not calling the function to make the whole reset model stuff when I had multiple lines selected ^^ Glad to hear that you managed to resolve your issue :) I'm not exactly sure where the problem I was facing originated from hence I didn't leave any details as I don't want people to be mislead. This was my first time working with QStandardItemModel. So far I have always implemented models directly by deriving from QAbstractItemModel. When using the QStandardItemModel with the proxy model, the proxy's state was not invalidated when rows were inserted or removed (again, I don't know (yet) why). The quick fix without actually understanding the problem was to invoke the QStandardItemModel::invalidate slot whenever rows were either inserted or removed: connect(m_model, &model::rowsInserted, m_proxy_model, &QSortFilterProxyModel::invalidate); connect(m_model, &model::rowsRemoved, m_proxy_model, &QSortFilterProxyModel::invalidate); Where: m_model is of type QStandardItemModel* m_proxy_model is of type QSortFilterProxyModel*

It looks like a warning rather than an error per se. You might have to configure something on the X server side.

I took a look with the ListDLLs tool but couldn't actually find the plugin being used by the 32-bit version, maybe some other DLL is handling that? Anyway, my problem is now solved so I'll mark this topic as solved.

@J-Hilk said in Installed Qt 5.15.0, but I got Qt 6.2.2: @JKSH in the about Qt CREATOR window of QtCreator of cause, like most other misunderstandings regarding "Qt versions" :P Ah, of course... I should've known better 😅 @Joshika_Namani said in Installed Qt 5.15.0, but I got Qt 6.2.2: after installation its showing its version as 6.2.2 The Qt Creator's "About" box shows the version of Qt that was used to build Qt Creator. It does not show the version(s) of Qt that you use to build your projects. in tools->options->kits its showing Qt 5.15.0 GCC 64 bit. Then your projects will be built using Qt 5.15.0. Note: You can install multiple versions of Qt and use them all in a single version of Qt Creator. Does this make sense?

@jsulm @Christian-Ehrlicher signal/slot method working connect(this,&MainWindow::starting,onethread,&myThread::recvNum); onethread->start(); for(int i=1;i<5;i++) { emit starting(i); }

@Vivek_A I note that all your questions are about mongodb, its performance, and so on. Have you tried joining some mongodb forum where these might be better answered?

@timob256 Cross-referenced from your other thread at https://forum.qt.io/topic/132655/how-to-embed-ogre3d-in-qt5-as-a-widget. A QWindow is not derived from a QWidget, so, no, you cannot put a QLayout on it. Docs say: The QWindow class represents a window in the underlying windowing system. So you do not set extra buttons or charts or whatever on a QWindow. You may know better than I, and I don't know how it relates to your "Ogre" situation, but you may want to read through What is the difference between a QWindow and QWidget and maybe Introducing QWidget::createWindowContainer() too. Qt: layouts with a Qwidget window container talks about layouts too.

Yup. You can find the packages under Pi Menu > Preferences > Add/Remove Software. Doing a search there will eventually bring up the needed modules. I am still curious as how one builds the modules separately though. Thanks again!

@raven-worx doing a shadow build in a parallel directory (instead of build inside the source folder), the tslib support has been added succesfully (the reason is a mistery for now). The make process gives other errors, but the tslib subject is solved. Thank you.

@duckrae List your client with id, when you are getting new incomingConnection. server can reply as per client id to a specific client or reply to all.

Hello, I want to know how to add a suffix to a file after saving it on filedialog in qml and I came here in hope to find my answer. But It makes me sad when I can't find it. I tried filePath = filePath + '.txt' but isn't working for me. Can anyone share a website with me in which I can find the solution? I will be very much thankful to you.

Simply two QPainter::drawArc() calls with a different color.

#include "krug_qt.h" Krug_qt::Krug_qt(QWidget *parent) { } Should be: Krug_qt::Krug_qt(QWidget *parent) : QWidget(parent)

@duckrae said in How to write another Thread data in txt file?: How can I handle it? Simply emit the signal: QTimer *timer = new QTimer(this) timer->start(60000); emit myTimeoutSignal(text);

Guess you can give the string to RegExp constructor RegExpValidator {id:decimal_validator ; regExp: new RegExp(reg_expression)} Edit: Another point, I think you don't need to add extra "/" character if you define your regex using string. I think it should be either : property string reg_expression: "[0-9]+" or property RegExp reg_expression: /[0-9]+/ Note also you can use "\\d+" or /\d/ instead of "[0-9]+" for your regex You may also be interested by this great website for developing and testing regex: https://regex101.com Edit2: Correction of my stupid mistake of my first edit. regex for digit character is obviously \d and not \w

@vinaygopal according to the documentation: https://doc.qt.io/qt-5/qml-qtquick-controls-tableviewcolumn.html#delegate-prop this should do the trick: Component{ id:firstColumnComponent Item { id: toplevelItem property bool textpresent: true Row{ spacing: 10 TextField{ id:te width: 100 text: styleData.value maximumLength: 20 onAccepted:{ console.log("the editing is finished to",te.text) peopleTable.editfinished(te.text,styleData.value) } } Image { id: fav_image source: "qrc:/favourite_icon.png" height: 20 width: 40 MouseArea{ anchors.fill: parent onClicked: { console.log("the current index is",styleData.row) //Change happened here } } } } } }

@fcarney Got it thank you so much :)

still in mingw way problem not solved . so i choose msvc compiler to do that .. so iam closing this ...

my compiler is mingw32bit and mongocxx driver build in 64 bit . so thats make problem , i solved it by installing 64bit Qt.

@ralphtink said in How to flatten a TreeView to show only the leaf node items?: I don't want to import a whole library just for this I would strongly suggest you do but even if you want to go against my advice you can just: take kbihash_p.h, kdescendantsproxymodel.h and kdescendantsproxymodel.cpp add the files to your project replace #include "kitemmodels_export.h" with #define KITEMMODELS_EXPORT satisfy LGPL 2 requirement on the imported code

@Selvajothi I know nothing about this, but since you have received no other reply..... Since I do not see any "insert item" in QGraphicsPathItem Class, but I do see void QGraphicsPathItem::setPath(const QPainterPath &path) Sets the item's path to be the given path. See also path(). are you supposed to use QPainterPath QGraphicsPathItem::path() const to retrieve the current path (if you need that), manipulate to insert your extra element, and pass it back to QGraphicsPathItem::setPath() to reset the path as a whole?

@ben80 said in Use two QT5.x versions in parallel: @jeremy_k said in Use two QT5.x versions in parallel: What's the reason for using different versions of Qt 5? Going down this route opens up a class of problems involving incompatible intermingling. @jeremy_k said in Use two QT5.x versions in parallel: Option 4) Have you looked into using a virtualenv for the python program? Apt-get won't install into it, but pip will. This encapsulates the library path mangling, although the same environment pollution problem exists for child processes. It seems like there is so much that i can do wrong here. I am running this raspberry only at my home, so i am not distributing it. As long as i have a working solution (not too messy) it's ok for me. That's the best version of an unfortunate scenario. If you're careful about not executing other programs, the environment variable issue is manageable. Python modules that use external commands to discover bits of system configuration appears to be common. For example, https://github.com/pyinstaller/pyinstaller/issues/4657. QDesktopServices::openUrl() failing to work is another one to watch for. I cannot use pip on the raspberry, since there are no ARM packages for PySide2 provided. Therefore i am using apt-get. I am also using a pyenv virtualenv, but i need to copy the site-package files manually. Not nice, but it works. It might be reasonable to tell apt-get to install into the venv directory as an alternative root. For dpkg, the option appears to be --root=<alternative root>.

@Selvajothi You could create one QGraphicsWidget per design, then arrange them into one scene using QGraphicsLinearLayout.

Hi Well you ask the OS to open any app that is tied to the extension pdf. Its not really possible to ask it to close without using platform native api calls to find this window and try to close it. You could use https://doc.qt.io/qt-5/qtpdf-index.html to display the pdf yourself and hence be able to close the pdf view.

@Selvajothi There could be many causes. I suggest you Google for _dlopen specified procedure. Note that the error you show is on procedure, not on module.

@Selvajothi as I said - you need an instance of serverAuthentication passed to connect QObject::connect(networkaccess, SIGNAL(finished(QNetworkReply*)), __here__, SLOT(getcredential(QNetworkReply*))); ^ //you need a pointer to instance of serverAuthentication Where do you get it from? That's up to you. Also you're still leaking memory and have all the other issues I listed previously. Usually when working with C style libraries you have it organized kinda like this: void init(); // Creates instances of any "global" things you need, e.g. serverAuthentication and QNetworkAccessManager something doSomething(); // Does something with the global instances, like your AuthenticateServer function void shutdown(); // Destroys the global instances

thank you

solved the problem by adding self.end_index = len(self.existing_txt) in pathFromIndex after getting the text value from QLineEdit