以下是一个使用boost::algorithm::join函数连接字符串的示例代码: 1#include2#include3#include4#include56intmain() {7std::vector strings = {"Hello","World!"};8std::stringcombined_string = boost::algorithm::join(strings,"");910std::cout << combined_string <<std::endl;11return0;12} 输出...
容器上,Qt的Split/Join用的是QList,std::string用的是std::vector。 MinGW版的std::string,Split性能惨不忍睹,不知道是std::string的锅还是std::vector的锅…… 结论: Qt由于跨平台特性,QString/QByteArray性能稳定。二者性能基本相同,部分场景下因为数据量大,性能略逊。 std::string性能和实现有关,在不同编...
先说结论：std::string 在一些场景下，性能不够好，所以在适当的场景可以找到合适的替换者，一个是 Fa...
void printID(int id) { std::cout << "ID: " << id << std::endl; } int main() { std::vector<std::thread> threads; for (int i = 0; i < 5; ++i) { threads.emplace_back(printID, i); } for (auto& th : threads) { th.join(); } } 结论 C++11为C++语言带来了革命性的...
#include<iostream>#include<thread>#include<vector>#include<algorithm>#include<mutex>#include"asyc_out.hpp"intmain(intargc,char*argv[]){std::vector<std::thread>workers;for(inti=0;i<10;++i){workers.push_back(std::thread([i](){aout<<"Hello from thread: "<<i<<"!\n";}));}// 每次...
如果这里改成//join()则不会发生这种现象。因此主线程会等子线程执行完才退出oops}//2. 利用分离线程处理多文档文件voidopenDocAndDisplay(conststd::string& fileName){}//打开文件booldoneEditing() {returnfalse; }//判断是否结束编辑enumclassUserCommand{OpenNewDocument, SaveDocument,EditDocument};//命令...
std::vector<std::thread> threads; for (size_t i = 0; i < data.size(); i += chunkSize) { threads.emplace_back(processChunk, std::cref(data), i, i + chunkSize); } for (auto& th : threads) { th.join(); } return 0; ...
I am trying to build a simple example using GNU 7.3.0 #include <iostream> #include <string> #include <vector> #include <absl/strings/str_join.h> int main() { std::vector<std::string> v = {"foo","bar","baz"}; std::string s = absl::StrJoin...
#ifndef_FREDRIC_THREAD_POOL_HPP_#define_FREDRIC_THREAD_POOL_HPP_#include"thread_safe_queue.hpp"#include<thread>#include<vector>#include<atomic>#include<functional>#include<utility>#include<future>#include<utility>#include<functional>#include<memory>structjoin_threads{std::thread&operator[](intindex)...
#include <chrono>#include <functional>#include <iostream>#include <mutex>#include <string>#include <thread>#include <vector>usingnamespacestd::chrono_literals;structEmployee{std::vector<std::string>lunch_partners;std::stringid;std::mutexm;Employee(std::stringid):id(id){}std::stringpartners()...