技术改变命运
发布时间:2016-08-03 22:34:31
本文比较详细的介绍了可变参数的原理,并结合redis中的源码说明了va_list的使用。......【阅读全文】
发布时间:2016-08-03 16:46:01
Evaluate the value of an arithmetic expression in Reverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another expression.Some examples: ["2", "1", "+", "3", "*"] -> ((2 + 1) * 3) -> 9 ["4", "13", "5", "/", "+"] -> (4 + (13 / 5)) -> 6.........【阅读全文】