11. See “The diamond problem” section at www.geeksforgeeks.org/multiple-inheritance-in-c/ . 12. Preceding entries paraphrased from www.astronoo.com/en/gould-belt.html .Author information Authors and Affiliations Pennington, New Jersey, USA James E. McDonough ...
https://www.geeksforgeeks.org/difference-between-dir-and-vars-in-python/ vars(node) 只返回当前节点属性 dir(node) 不仅仅返回当前节点属性,还返回node节点的所有父亲节点的属性。 dir() Function: This function displays more attributes than vars() function, as it is not limited to an instance. It...
In the above program, constructor of ‘Person’ is called two times. Destructor of ‘Person’ will also be called two times when object ‘ta1′ is destructed. So object 'ta1' has two copies of all members of ‘Person’, this causes ambiguities(歧义). The solution to this problem is ‘...