在classA中include class B,然后定义成员变量的时候,报错unknown type name了。 一共有两种可能造成这种问题: 1.circle include,同时在classA中include ClassB;在ClassB中引用ClassA。 2.在ClassA中引用了其他跟ClassB的ifndef宏相同的头文件,也会导致编译器跳过ClassB的引用。
Qt Creator 工程出现 main.cpp:10:5: error: unknown type name ‘QApplication‘ 技术标签: 小问题 qt5 c++Qt Creator 工程出现 main.cpp:10:5: error: unknown type name ‘QApplication’ 安装完成能运行,但是编译程序出现错误如下:- 解决方案 帮助->关于插件->C++ 去掉Clang Code Model那个勾,然后重启Qt...
解决:mount: unknown filesystem type ‘ntfs’ 问题 使用$ mount /dev/sdb1 /mnt/usb 挂载U盘报错 mount: unknown filesystem type ‘ntfs’ 上网查询说是系统不支持ntfs文件。 解决方法: 使用 ntfs-3g 来解决。 打开ntfs-3g的下载点http://www.tuxera.com/community/ntfs-3g-download... ...
QModbusClient *modbus_client = nullptr;//mainwindow.h:32:5: error: unknown type name 'QModbusClient',记得前置申明
// 串口关闭事件,如果窗口关闭前串口未关闭,则关闭串口void MainWindow::closeEvent(QCloseEvent *event){ if (m_serial->isOpen()) m_serial->close(); event->accept();}// 波特率自定义void MainWindow::on_baudRCmb_currentIndexChanged(int index){ uint nCount = ui->...
{ //依赖类型枚举 Required, //必须的依赖 Optional //可选依赖 }; PluginDependency() : type(Required) {} QString name; //被依赖插件名字 QString version; //被依赖插件版本号 Type type; //依赖类型 bool operator==(const PluginDependency &other) const; }; uint qHash(const ExtensionSystem::...
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qCWarning(ozwmp) << "sendValueUpdate: Can't find CC for Value: " << vidKey; return false; } QT2JS::SetUInt64(*this->m_values[vidKey], "TimeStamp", QDateTime::currentSecsSinceEpoch()); this->m_client->publish(QMqttTopicName(getValueTopic(MQTT_OZW_VID_TOPI...
.arg((quintptr)exceptionInfo->ExceptionRecord->ExceptionAddress, 0, 16) .arg(exceptionInfo->ExceptionRecord->ExceptionCode, 0, 16); break; case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: crashLog += "Array bounds exceeded\n"; break; case EXCEPTION_FLT_DENORMAL_OPERAND: ...
typedef unsigned __int16 uint16_t; typedef unsigned __int32 uint32_t; typedef unsigned __int64 uint64_t; #ifdef _WIN64 typedef unsigned __int64 uintptr_t; #else typedef unsigned __int32 uintptr_t; #endif # endif #else # include <stdint.h> #endif extern "C" {...