随笔分类 - C++
摘要：Qt QWidget保存为图片 QPixmap pixmap = QPixmap::grabWidget(this); pixmap.save("D://1.jpg","JPG"); ###################################
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摘要：Qt绘图面板中的对象拖拽 qdrawwidget.h #ifndef QDRAWWIDGET_H #define QDRAWWIDGET_H #include <QObject> #include <QWidget> #include <QFrame> #include <QPainter> #in
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摘要：Qt绘制网格 mainwindow.h #ifndef MAINWINDOW_H #define MAINWINDOW_H #include <QMainWindow> #include <QPainter> #include <QDebug> namespace Ui { class MainWi
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摘要：ubuntu中编译好的Qt程序运行 luo@luo-ThinkPad-W540:QtProject$ luo@luo-ThinkPad-W540:QtProject$ cd build-HGD_ES-Desktop_Qt_5_12_0_GCC_64bit-Debug luo@luo-ThinkPad
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摘要：Qt mysql 确保mysql已经安装 luo@luo-ThinkPad-W540:~$ luo@luo-ThinkPad-W540:~$ whereis mysql.h mysql: /usr/bin/mysql /usr/lib/mysql /etc/mysql /usr/include/my
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摘要：Error 1> 已启动生成: 项目: HGD_Project_202101, 配置: Debug x64 1> Reading Qt configuration (E:/Qt/Qt5.12.2/5.12.2/msvc2017_64/bin/qmake) 1>HGD_Project_202101.v
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摘要：opencv3 lib opencv_aruco346d.lib opencv_bgsegm346d.lib opencv_bioinspired346d.lib opencv_calib3d346d.lib opencv_ccalib346d.lib opencv_core346d.lib ope
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摘要：win10 openpose vs2015 cmake build Selecting Windows SDK version 10.0.14393.0 to target Windows 10.0.19042. CMAKE_VERSION = 3.20.0 Building with CUDA.
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摘要：PCL point cloud #include<pcl/visualization/cloud_viewer.h> #include<iostream> #include<pcl/io/io.h> #include<pcl/io/pcd_io.h> #include<pcl/io/ply_io.h
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摘要：QPainter /**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https:
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摘要：opencv读取网络图片 #include <iostream> #include <opencv2/opencv.hpp> using namespace std; using namespace cv; int main() { VideoCapture videoCapture("https:
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摘要：基站数据格式说明 01 49 00 05 04 01 14 00 200A0000 23010000 24020000 01 49 00 06 04 01 14 00 95090000 83010000 88010000 01 43 00 23 04 01 0C 00 FF080000 290200
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摘要：Error log Qt VS Tools: QML debug: Debugging project 'RealsenseProject202101'... Qt VS Tools: QML debug: DISABLED: Non-Qt/MSBuild project Qt VS Tools:
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摘要：qwidgetresizehandler_p.h /**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/
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摘要：DockWidgetArea enum DockWidgetArea { LeftDockWidgetArea = 0x1, RightDockWidgetArea = 0x2, TopDockWidgetArea = 0x4, BottomDockWidgetArea = 0x8, DockWid
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摘要：Public Functions QTableWidget(QWidget *parent = nullptr) QTableWidget(int rows, int columns, QWidget *parent = nullptr) virtual ~QTableWidget() QWidge
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摘要：QList删除元素 int removeAll(const T &value) void removeAt(int i) void removeFirst() void removeLast() bool removeOne(const T &value)
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摘要：删除 if (esProjectObj !=nullptr) { delete esProjectObj; esProjectObj = nullptr; }
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摘要：编译日志 1> 已启动全部重新生成: 项目: ES_project2, 配置: Debug x64 1> Moc'ing es_project2.h... 1> Uic'ing es_project2.ui... 1> Moc'ing essystemconfig.h... 1> Moc'ing e
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