随笔分类 -  QT/c++

摘要：//linuc command >man >pipe,mkfifo,kill&signal,semget,shmget,msgget,inet_addr //三次握手四次挥手//client==>connect req,//server==>ack,//client >ack////client== 阅读全文

摘要：class Class { public: Class() = default; void f(){printf("hhhhh\n");} } int main() { Class c; void (Class::*ptrMemberFun)() = &Class::f; //对指针指向的修饰在*星 阅读全文