void messageCallback(const std_msgs::String::ConstPtr& msg) { // 处理接收到的消息 std::string receivedMessage = msg->data; // 执行其他操作... } 初始化ROS1节点:在main()函数中,需要初始化ROS1节点并设置回调函数。 cpp复制代码 int main(int argc,
// [[Rcpp::export]] Rcpp::DataFrame addColumnToDataFrame(Rcpp::NumericVector columnData, std::string columnName, Rcpp::DataFrame df) { // 将列数据转换为arma::vec类型 arma::vec col(columnData.begin(), columnData.size(), false); // 将dataframe转换为arma::mat类型 arma::mat mat = ...
// test.h #include <iostream> using std::cout; class Base{ int a; void fun_a(){a=1;} public: void fun_b(); virtual void fun_c(); }; //test.cpp #include "test.h" void Base::fun_b(){ cout << "aaa\n"; } void Base::fun_c(){ cout << "virtual.\n"; } 重新make...
wake_up(latch, true); // 模拟等待一段时间,然后唤醒所有等待的线程 std::this_thread::sleep_for(std::chrono::seconds(1)); queue.wake_up(latch, false); /// ---【重点2】 // 等待所有线程完成 for (auto& t : threads) { t.join(); } return 0; } 我们创建了一个ObLatchWaitQueue对...
absl::StrJoinnow has aabsl::string_viewoverload.This allows for passing a collection of string-like objects without having to convert everything to the same type first. However, this may be a breaking change for users passing an explicit template argument toabsl::StrJoin. In this case, sim...
std::thread threads[10];//spawn 10 threads:for(inti=0; i<10; ++i) threads[i]=std::thread(fireworks);for(auto&th : threads) th.join();return0; } Lock 类(两种) std::lock_guard: //https://zh.cppreference.com/w/cpp/thread/lock_guard ...
std::thread t1(thread_sleep_for_seconds,std::cref(sleep_seconds)); std::thread t2(log_file_sleep_for); t1.join(); t2.join(); ss<<get_time_now()<<",finish in"<<__FUNCTION__<<std::endl; std::cout<<ss.str()<<std::endl; ...
void handle(std::string message, int z, unsigned x, unsigned y, std::map<std::string, layermap_entry> &layermap, std::vector<std::string> &header, std::map<std::string, std::vector<std::string>> &mapping, std::set<std::string> &exclude, std::set<std::string> &keep_layers,...
std::string receivedMessage = msg->data; // 执行其他操作... } 初始化ROS1节点:在main()函数中,需要初始化ROS1节点并设置回调函数。 cpp复制代码 int main(int argc, char** argv) { // 初始化ROS1节点 ros::init(argc, argv, "my_node"); ...
std::string joinkey = header[i]; std::string joinval = fields[i]; int attr_type = mvt_string; if (joinval.size() > 0) { if (joinval[0] == '"') { joinval = csv_dequote(joinval); } else if (is_number(joinval)) { ...