Ray's playground

摘要： 1#include<iostream>2#include<vector>3#include<string>4usingnamespacestd;56intmain()7{8constchar*p="hello";9intcount=0;10while(*p)11{12cout<<*p<<endl;13count++;14p++;15}1617constcharca[]={'h','e','l','l','o'};18constchar* 阅读全文

摘要： Never redefine an inherited default parameter value, because default parameter values are statically bound, while virtual functions — the only functions you should be overriding — are dynamically bound.1#include<iostream>2#include<string>3usingnamespacestd;45classShape6{7public:8virtualv 阅读全文

摘要： Never redefine an inherited non-virtual function. 阅读全文