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    A Hacker's Tale The date is 12/02/10. The days before Christmas are dripping away and I've pretty much ... fail to perform any useful service. See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am wondering how i can access an sqlite database that is sitting a remote server.I have read threads discouraging it ... to connect." ); } See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm trying to use a JPEG image in a QImage object from a Python script, with PyQt4. The script itself works perfectly ... OS X or Linux. Will I? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to declare a global property in a config file and use it in other files. for example declare mainbg in: ... How can I do this work? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I'm using Qt4.6 and I have a QComboBox with a QCompleter in it. The usual functionality is to provide ... not really sure where I should be looking... Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    How can I copy a file from my project to the output directory with qmake? I'm compiling on Linux but in the future I'll compile it on Mac and Windows. Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to override mouseReleaseEvent with a bunch of QActions and QMenus... connect(action1, SIGNAL(triggered()), this, SLOT( ... . Do you know how I can do it? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    in my project i use a EventFilter for widgets, that are in a QHBoxLayout. If i clicked on an a widget, i ... widget. Is there a way to implement this? greetings Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a Qt project and I would like to output compilation files outside the source tree. I currently have the following ... can I do that using a .pro file? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I repeatedly see people having problems with slots not being called. I would like to collect some of the most ... working? How can such problems be avoided? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have the following hierarchy in my Qt Application: QMainWindow > QWidget (centralWidget) > QWidget (subclassed) ... label after the initialization is done ? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Let's say property 'x' has an immidiate value in QML, and another property 'y' is bound to 'x' Text { id: ... it-legal-to-assign-to-property-that-already-has-binding-defined-in-qml...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have a Qt/QML program that runs on Ubuntu and on a Raspberry Pi 3B+. The program runs fine on both ... /questions/65836687/qml-canvas-improperly-rendered-with-qt-scale-factor-set...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I would like to know the portion of a QML item that is visible on the screen. For example, ... ://stackoverflow.com/questions/65837981/qwidgetvisibleregion-equivalent-for-qml-items...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    i have created an app with the help of following command on terminal ./linuxdeployqt-7-x86_64.AppImage ... /linuxdeployqt-appimage-created-successfully-doesnt-run-on-double-click...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Right now, all I have is my QML file, with the button. /*PlasmaComponents.*/ToolButton { id: shutdownButton text: i18n(" ... -a-sh-file-or-a-bash-command-on-a-qt4-button-click...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Qt 5.12 quick ,i scaling a image by two fingers touch event, image's Y position not correct when second point ... image-by-touch-event-image-y-not-correct-when-the-second-poin...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    As per https://doc.qt.io/qtcreator/qtquick-placeholder-data.html#creating-dummy-context I want to add a dummy ... questions/65862757/howto-resolve-qml-module-not-found-qml-designer...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    How to prevent typing whitespace in TextEdit? QML TextEdit { width: 240 text: "123" font.pointSize: 20 ... /questions/65867156/how-to-prevent-typing-whitespace-in-textedit-qml...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I just want to know what this QtObject elements does, its seems that is reactive, because in the tutorial that ... .com/questions/65867624/how-the-qtobject-element-works-in-qml...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I am a beginner with signal & slots in QtCreator. I would like to know how to connect a signal declared in mainwindow ... -to-link-a-slot-in-the-code-with-a-qwidget-in-mainwindow...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    New Qt user here (also not an avid C++ programmer, so excuse me if my terminology isn't spot on). I am ... (_hEnabled == hEnabled) return; _hEnabled = hEnabled; update(); e...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I have simple QML GridLayout with several QML rectangles layouted in it: import QtQuick 2.15 import QtQuick. ... .com/questions/65879669/get-coordinates-screen-of-gridlayout-items...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I develop with QT 5.12. To organize one of my application view I create a QWidget class " ... stackoverflow.com/questions/65882805/reorganize-a-qgridlayout-in-derived-class...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    i want to send the dynamic image to qml and display on Qt gui i read online image provider is way to ... /how-to-display-png-image-using-image-provider-with-detail-explanation...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    Is it possible to change the colour/line style of a QMenu tearoff subcontrol ? I would like to change ... /questions/65887577/styling-qmenu-tearoff-sub-control-using-a-stylesheet...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    I want to add a 2D surface of a static image to a 3DScatter graph as shown below. I can achieve this using ... .com/questions/65891996/how-to-add-2d-surface-to-a-qml-scatter3d...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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    This question already has answers here: question from:https://stackoverflow.com/questions/65894955/cv2-destroyallwindows-is-not-implemented-when-installing-opencv-python-headles...
asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)
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