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数据分发服务DDS(Data Distribution Service)简介

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OpenCV学习(持续更新)图像读取和输出Mat image=imread("");imshow(const String & winname,InputArraymat)Mat image=imread("huaqiangmaigua.jpg");imshow("华强买瓜",image);//第一个参数为窗口名称 第二个参数为变量读取图像并且以灰度图显示Mat src = imread("图片地址",IMREAD_GRAYSCALE);读取图像并转换为三通道彩色图像ima

c++类构造函数&析构函数使用初始化列表来初始化字段Line::Line( double len): length(len){ cout << "Object is being created, length = " << len << endl;}上面的写法等价于Line::Line( double len){ length = len; cout << "Object is being created, le

转vscode调试c++时报错