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New code examples in category C++
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Krish 2022-03-23 06:10:46
error: ‘CV_WINDOW_AUTOSIZE’ was not declared in this scope
#include <opencv2/highgui/highgui.hpp> NOTE: since all the windowing stuff is in the highgui module, you'll need to include above header. Example error: prashad@ubuntu:~/test$ g++ create_ipl_image.cpp `pkg-config opencv cvblob --cflags --libs` ... Add solution -
Phoenix Logan 2022-03-22 13:25:16
arrow operator c++
/* the arrow operator is used for accessing members (fields or methods) of a class or struct it dereferences the type, and then performs an element selection (dot) operation */ #include <iostream> using std::cout; class Entity { public: con... Add solution -
Awgiedawgie 2022-03-22 08:50:25
integer to char c++
// for example you have such integer int i = 3; // and you want to convert it to a char so that char c = '3'; what you need to do is, by adding i to '0'. The reason why it works is because '0' actually means an integer value of 48. '1'..'9' means 49..57... Add solution -
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