英文: How can I check over-/underflow when converting double to int in C++? 问题 当学习关于static_cast和dynami...
int到double的转换会将整数向最接近的双精度数四舍五入。
英文: Will int to double conversion round up, down or to nearest double? 问题 将整数转换为双精度浮点数时,它将始终向最接近的双精度...
Calling Derived class function from a Base class pointer after typecasting it to Derived class pointer
英文: Calling Derived class function from a Base class pointer after typecasting it to Derived class p...
为什么不允许这种跨性别演员选择?
英文: Why is this cross-cast not allowed? 问题 我得到以下错误消息: 错误: 无法使用 static_cast 从 'Base1 *' 转换到 &...