在此文件夹下的lib文件夹下有qwtd.dll、qwt.dll、qwtd.a、qwt.a等文件,这样就证明编译成功了。 注意: QT5编译时有时会出现编译错误: QT_STATIC_CONST’ does not name a type. By defining QT_STATIC_CONST just before inserting Qwt file, 在Qt5 , QT_STATIC_CONST 在 qglobal.h - 中被移除了 Qw...
string>> { }; INSTANTIATE_TEST_SUITE_P( MyGroup, MyTestSuite, testing::Combine( testing::Values(MyType::VALUE_0, MyType::VALUE_1), testing::ValuesIn("", "")), [](const testing::TestParamInfo<MyTestSuite::ParamType>& info) { std::string name = absl::StrCat( std::get<0...
例： const int max = 20； // max是常量表达式 const int maxx = max+1； //maxx是常量表达...
33: error: ‘uint8_t’ has not been declared static QString toString(uint8_t* cUserId/*, uint16_t cUserIdSize*/); ^ ../src/core.hpp:57:9: error: ‘uint8_t’ does not name a type uint8_t* cUserId; ^ ../src/core.hpp:58:9: error: ‘uint16_t’ does not name a ty...
(axisX, Qt::AlignBottom); chart->addAxis(axisY, Qt::AlignLeft); const int seriesCount = 1; const int pointCount = 2048; chart->setTitle("OpenGL Accelerated Series"); QList<QXYSeries *> seriesList; for (int i = 0; i < seriesCount; i++) { QXYSeries *series = 0; int ...
GCType,v8::GCCallbackFlags)’}to ‘v8::Isolate::GCCallback’{aka ‘void(*)(v8::Isolate*,v8::GCType,v8::GCCallbackFlags)’}[-Wcast-function-type]10378|reinterpret_cast<Isolate::GCCallback>(callback));|^/home/rando/.node-gyp/9.6.1/include/node/v8.h:Instaticmemberfunction‘static...
QSize s = QProxyStyle::sizeFromContents(type, option, size, widget);if(type == QStyle::CT_TabBarTab) { s.transpose(); s.rwidth() =100;// 设置每个tabBar中item的大小s.rheight() =48; }returns; }voiddrawControl(ControlElement element,constQStyleOption* option, QPainter* painter,const...
template <typename T> static inline T *qGetPtrHelper(T *ptr) { return ptr; } #define Q_DECLARE_PRIVATE(Class) \ inline Class##Private* d_func() { return reinterpret_cast<Class##Private *>(qGetPtrHelper(d_ptr)); } \ inline const Class##Private* d_func() const { return reinterpre...
(QWidget*)’: ../Web/mainwindow.cpp:12:49: error: invalid use of non-static member function ‘void QWebEnginePage::featurePermissionRequested(const QUrl&, QWebEnginePage::Feature)’12| connect(ui->view->page(), ui->view->page()->featurePermissionRequested, this, this->onFeature...
QT 5.12.6 下调用FFMPEG android 4.2.2 出现“Decoder h264 does not support device type mediacodec”的问题 已经成功编译了 FFMPEG-ANDRIOD 4.2.2,编译的选项如下: #!/bin/bash export NDK=/home/sqm/ndk/android-ndk-r20b #NDK的路径 TOOLCHAIN=$NDK/toolchains/llvm/prebuilt/linux-x86_64...