begges的专栏

函数内的常量字符串是从程序静态存储区域分配的。内存在程序编译的时候就已经分配好了，和全局变量和static变量的分配方式是一样的。那么请看下面程序： #include #include using namespace std; class baidu_url { public: static string index() { return "www.baidu.com"; } static const string & index1() { return "www.baidu.co

原文如下：（摘自>）7.2.6 The Increment and Decrement Problem of Vector IteratorsThe use of the increment and decrement operators of iterators includes a strange problem. In general, you can increment and decrement temporary iterators. However, for vectors and s