The set S originally contains numbers from 1 to n. But unfortunately, due to the data error, one of the numbers in the set got duplicated to another number in the set, which results in repetition of one number and loss of another number. Given an arr…
1.fatal error C1010: unexpected end of file while looking for precompiled header directive. 寻找预编译头文件路径时遇到了不该遇到的文件尾.(一般是没有#include "stdafx.h") 2.fatal error C1083: Cannot open include file: 'R--.h': No such file or directory 不能打开包含文件"R--.h&q…
The set S originally contains numbers from 1 to n. But unfortunately, due to the data error, one of the numbers in the set got duplicated to another number in the set, which results in repetition of one number and loss of another number. Given an arr…
参考:ubuntu: apt-get update的时候遇到"Hash Sum mismatch"错误 在安装Mininet的时候,apt-get update的时候遇到了这个问题: W: Failed to fetch http://ppa.launchpad.net/webupd8team/java/ubuntu/dists/trusty/main/binary-i386/Packages Hash Sum mismatch E: Some index files failed t…
1.这段linq,执行期间报ora-12704:character set mismatch错误. var query = from m in ctx.MENU where (m.SUPER_MENU_ID ?? "") == (parentMenuId ?? "") orderby m.SORT_ID descending select new { m.SORT_ID }; 生成出来的sql如下: SELECT "Project1"."…
class Set(object): def __init__(self,data=None): if data == None: self.__data = [] else: if not hasattr(data,'__iter__'): #提供的数据不可以迭代,实例化失败 raise Exception('必须提供可迭代的数据类型') temp = [] for item in data: #集合中的元素必须是可哈希 hash(item) if not item in temp: temp…
