函数体=0的虚函数称为“纯虚函数”.包含纯虚函数的类称为“抽象类” #include <string> class Animal // This Animal is an abstract base class { protected: std::string m_name; public: Animal(std::string name) : m_name(name) { } std::string getName() { return m_name; } ; // note that sp…
原文地址:http://blogs.msdn.com/b/wenlong/archive/2006/11/22/virtual-application-vs-virtual-directory.aspx. People are always confused by these two IIS concepts, especially for the new IIS7/WAS. These are not new concepts. They are available since IIS6 on…