摘要：class Number { int number; public: explicit Number(int n){number = n;} operator int() //注意一定不能声明返回值 { return number; } }; int main () { ... 阅读全文

摘要：-------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------运行结果：1 2 3 ... 阅读全文

摘要：string mystr="100"; float price=200; stringstream(mystr) >> price; 阅读全文

摘要：ifstream in("STLExtension.h",ios::ate); if (in.is_open()) { cout << "file length is " << in.tellg() << endl; } 阅读全文

摘要：#include <iostream>using namespace std;class Base {public: Base() { cout << "In Base" << endl; cout << "Virtual Pointer = " << (int*)this << endl; cout << "Ad... 阅读全文

摘要：malloccalloc,初始化每个元素都为0realloc 重新分配新的地址，将旧地址拷贝到新地址里 阅读全文

摘要：http://melkov.narod.ru/misc/stl-fix/ 阅读全文