To avoid dangling Pointers (the dangerous situation where a block of memory is freed but a pointer still references it), you must delete the object only after the last reference is released.
为了避免悬空指针(一种危险的情况，即一块内存已经被释放了，而一个指针还在引用它)，必须在最后的引用释放之后才删除对象。
At best a wistful memory, at worst a dangerous enemy who is in possession of many of your deepest secrets.
最好的能留给你一个情意绵绵的回忆；最糟糕的拥有你的许多机密从而成为你危险的敌人。
At best a wistful memory, at worst a dangerous enemy who is in possession of many of your deepest secrets.
最好的能留给你一个情意绵绵的回忆；最糟糕的拥有你的许多机密从而成为你危险的敌人。
应用推荐