前两天Vscode还好好的,今天刷力扣想在本地调试发现关于std命名空间的所有代码都报错,识别不了 显示未定义 undefined reference to std::ostream::operator<<(std::ostream& (*)(std::ostream&))'或者 undefined reference to std::cout'等等 解决方法如下: 修改tasks.json的command行原来的gcc为g++ 有可能是C++拓展擅自更新把这个重置了?具体原因不...
voidfun(){ std::cout<<"Hello fun!"<<std::endl; } 1. 2. 3. 4. 5. #ifndef _FUN_ voidfun(); #endif 1. 2. 3. 4. 5. 将main.c文件也补一些代码 #include <iostream> #include "fun.h" intmain(intargc,char*argv[]) { std::cout<<"Hello world!"<<std::endl; fun(); } 1...
1#include<iostream>2//前面是你mysql头文件目录3#include"D:/ROUTE/mysql8/include/mysql.h"4usingnamespacestd;5intmain(){6MYSQL my_sql;7mysql_init(&my_sql);8if(!mysql_real_connect(&my_sql,"localhost","root","123456","test",3306,NULL,0)){9cout <<"error"<<endl;10}11else{12cout ...
3 #include "D:/ROUTE/mysql8/include/mysql.h" 4 using namespace std; 5 int main(){ 6 MYSQL my_sql; 7 mysql_init(&my_sql); 8 if(!mysql_real_connect(&my_sql,"localhost","root","123456","test",3306,NULL,0)){ 9 cout << "error"<<endl; 10 } 11 else{ 12 cout << "succe...
My work environment : EDI: Visual Studio Code C ++ Compiler: GCC Extensions: Microsoft C / C ++ .run Code Runner My source code : main.cpp #include <iostream> #include "personne.h" int main() { personne jojo("fabien"); std::cout <<"la pe...
(GL_COLOR_BUFFER_BIT); glfwSwapBuffers(window); } glfwTerminate(); return 0; } void key_callback(GLFWwindow* window, int key, int scancode, int action, int mode) { std::cout << key << std::endl; if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) glfwSetWindowShouldClose(...
//swap.h文件,存在工作目录的head子文件夹中#include<iostream>usingnamespacestd;//实现两个数字交换的函数声明voidswap(inta,intb);//swap.cpp文件,存在工作目录的head子文件夹中#include"swap.h"voidswap(inta,intb){inttemp=a;a=b;b=temp;cout<<"a = "<<a<<endl;cout<<"b = "<<b<<endl;}/...
不过这里最先包含的是首选的头文件，即例如a.cpp文件中应该优先包含a.h。首选的头文件是为了减少隐藏...
V[23:42:19.943] <<< {"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"languageId":"cpp","text":"#include <iostream>\nusing namespace std;\n\nint main() {\n cout << \"Hello\" << endl;\n\n return 0;\n}","uri":"file:///mnt/part7/code/cpp...
LLDB不在用gcc编译的代码上打印std::vector的内容/g++ 、、、 我正尝试在我的mac上使用带有VScode的调试器。由于某些原因,即使在代码签名之后,gdb也不能工作。它退出并返回错误134。但是,它在命令行上似乎工作得很好。VScode可以很好地与lldb和clang编译器配合使用,并且可以正确显示STL容器的内容。 但是,由于某些原因...