非常好玩的一道题.能够熟悉下位操作实现和玩一玩bitset这个容器 Description We define the parity of an integer N as the sum of the bits in binary representation computed modulo two. As an example, the number 21 = 10101 has three 1s in its binary representation so it has parity 3…
原文地址:http://blog.csdn.net/ysughw/article/details/9288307 POI操作Excel时偶尔会出现Cannot get a text value from a numeric cell的异常错误. 异常原因:Excel数据Cell有不同的类型,当我们试图从一个数字类型的Cell读取出一个字符串并写入数据库时,就会出现Cannot get a text value from a numeric cell的异常错误. 此异常常见于类似如下代码中:row…