摘要:
g++ -g -std=c++11 -m32 Test3.cpp -o Test3 注意这里是编的32位程序,如果编64位程序需要修改虚函数指针的偏移以及mem1和mem2的偏移 这是指向第一个虚函数的指针: (gdb) p /x *0xffffcaa0$5 = 0x8048b48 第一个虚函数的地 阅读全文
摘要:
Exception Handling in C++ One of the advantages of C++ over C is Exception Handling. Exceptions are run-time anomalies or abnormal conditions that a p 阅读全文
摘要:
12.5 — The virtual table 12.5 — The virtual table BY ALEX ON FEBRUARY 8TH, 2008 | LAST MODIFIED BY ALEX ON SEPTEMBER 24TH, 2018 To implement virtual f 阅读全文
摘要:
Predict the output of following C++ program: Output: The above program calls only B’s constructor, it doesn’t call A’s constructor. The reason for thi 阅读全文
摘要:
Object oriented design started right from the moment computers were invented. Programming was there, and programming approaches came into the picture. 阅读全文
摘要:
malloc() vs new Following are the differences between malloc() and operator new.: Calling Constructors: new calls constructors, while malloc() does no 阅读全文
摘要:
References vs PointersBoth references and pointers can be used to change local variables of one function inside another function. Both of them can als 阅读全文
摘要:
Can we make copy constructor private?Yes, a copy constructor can be made private. When we make a copy constructor private in a class, objects of that 阅读全文
摘要:
内存管理是C++最令人切齿痛恨的问题,也是C++最有争议的问题,C++高手从中获得了更好的性能,更大的自由,C++菜鸟的收获则是一遍一遍的检查代码和对C++的痛恨,但内存管理在C++中无处不在,内存泄漏几乎在每个C++程序中都会发生,因此要想成为C++高手,内存管理一关是必须要过的,除非放弃C++, 阅读全文