#include#include using boost::asio::ip::tcp; int main() { boost::asio::io_service io_service; tcp::resolver resolver(io_service); tcp::resolver::query query("localhost", "daytime"); tcp::resolver::iterator endpoint_iterator = resolver.resolve(query); tcp::socket socket(io_service); boost::asio::connect(socket, endpoint_iterator); for (;;) { boost::array buf; boost::system::error_code error; size_t len = socket.read_some(boost::asio::buffer(buf), error); if (error == boost::asio::error::eof) break; //connection closed cleanly by peer. else if (error) throw boost::system::system_error(error); std::cout.write(buf.data(),len); } return 0; }
#include#include int main() { std::vector v = {1, 2, 3, 4, 5}; // Using an iterator to traverse the vector for (auto it = v.begin(); it != v.end(); ++it) { std::cout << *it << " "; } // Sorting vector using standard sort function std::sort(v.begin(), v.end()); return 0; }
#includeint main() { // Load an image cv::Mat image = cv::imread("image.jpg", cv::IMREAD_COLOR); // Convert the image to grayscale cv::Mat gray_image; cv::cvtColor(image, gray_image, cv::COLOR_BGR2GRAY); // Display the grayscale image cv::imshow("Grayscale Image", gray_image); cv::waitKey(0); return 0; }