夜风的BLOG

#ifdef _WIN32 //define something for Windows (32-bit and 64-bit, this part is common) #ifdef _WIN64 //define something for Windows (64-bit only) #else //define something for Wind...

C++各种类型的sizeof大小，指针、参数、类、内存对齐、虚函数等。

C++ placement new，高效内存分配。