D:/Qt/Qt5.9.0/Tools/mingw530_32/bin/../lib/gcc/i686-w64-mingw32/5.3.0/../../../../i686-w64-mingw32/bin/ld.exe: cannot open output file debug\nh_03testCallPy.exe: Permission denied collect2.exe: error: ld returned 1 exit status 原因目前可能有如下: 1.程序已经在运行,进入任务...
QT cannot open output file debug\OpencvTest.exe: Permission denied 问题:调试运行QT的时候遇到这个问题,发现时是由于没有正常关闭程序所致,导致后台有之前运行的程序在跑(电脑环境win7 64 Qt5.2.1 opencv2.4.6)。 目前解决办法:手动关闭已在运行的程序,然后再跑QT creator,成功! 不过这种方法不大好,希望有好...
这说明之前打开的窗口还开着,关掉之前的窗口重新运行一下
QT 中 Permission denied_qt permission denied Qt Permission denied问题_cannot open output file debug:permission denied Qt报错 :-1: error: cannot open xxx: Permission denied_qt mysql :-1: error: cannot find permission denied qt报错permission denied_winddows qt ld.exe: cannot find f:\code\tq2.0...
qfile.cpp qtemporaryfile.cpp qabstractfileengine.cpp qfsfileengine_win.cpp qfileinfo.cpp qiodevice.cpp qdebug.cpp qsettings.cpp qsettings_win.cpp cl -Yuqmake_pch.h -FIqmake_pch.h -Fpqmake_pch.pch -c -Fo./ -Fdqmake.pdb -W2 -nologo -O2 /MP /wd4577 -IC:\Users\HCKTest\projects\...
Cannot create window:no screens available 6. 更多记录 6.1. ZCU106 BSP 2020.2 Log 下面log中的“^C”,表示图像软件正常运行,用户使用Ctrl+C, 也就是“^C”,终止了图像软件。 代码语言:javascript 复制 xilinx-zcu106-2020_2login:rootPassword:root@xilinx-zcu106-2020_2:~# uname-a Linux xilinx-zcu106...
source\repos\qt5-temp\qBittorrent\build\qbittorrent.exe 64 bit, dependent libraries: 23, debug Unable to find dependent libraries of C:\vcpkg\installed\x64-windows\bin\Qt5Widgetsd.dll :Cannot open 'C:/vcpkg/installed/x64-windows/bin/Qt5Widgetsd.dll': The system cannot find the file ...
QTCaptureFileOutputDelegate QTCaptureFileOutputDelegate_Extensions QTCaptureFileSampleEventArgs QTCaptureFileUrlEventArgs QTCaptureImageEvent QTCaptureInput QTCaptureLayer QTCaptureMovieFileOutput QTCaptureMovieFileOutput 构造函数 属性 QTCaptureOutput QTCaptureSession QTCaptureSession.Notifications QTCaptureVideoDropped...
Dir(); if (!dir.exists()) { QString path = dir.absolutePath(); dir.mkpath(path); } m_pLogfile = new QFile(fileName); if (m_pLogfile->open(QIODevice::WriteOnly)) { qDebug() << "创建日志文件成功" << fileName; } else { qDebug() << "创建日志文件失败" << fileName; }...
用QFile读写文件的时候,推荐用QTextStream文件流的方式来读写文件,速度快很多,基本上会有30%的提升,文件越大性能区别越大。 //从文件加载英文属性与中文属性对照表 QFile file(":/propertyname.txt"); if (file.open(QFile::ReadOnly)) { //QTextStream方法读取速度至少快百分之30 #if 0 while(!file.at...