The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie...
分类:
其他好文 时间:
2014-06-29 06:03:23
阅读次数:
260
Subsets:Given a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution set mus...
分类:
其他好文 时间:
2014-06-29 00:03:40
阅读次数:
272
对于kafka的consumer接口,提供两种版本, high-level 一种high-level版本,比较简单不用关心offset, 会自动的读zookeeper中该Consumer group的last offset 参考,https://cwiki.apache.org/confluence...
分类:
其他好文 时间:
2014-06-28 22:39:15
阅读次数:
1224
Society has always been competitive, but nowadays life is perhaps more competitive than in any previous era. Can you imagine the level of competition ...
分类:
其他好文 时间:
2014-06-20 13:45:03
阅读次数:
288
SQLmysql我们的MySQL使用latin1的默认字符集,也就是说,对汉字字段直接使用GBK内码的编码进行存储,当需要对一些有汉字的字段进行拼音排序时(特别涉及到类似于名字这样的字段时),默认无法通过order by关键字正确排序。经过网上查找,网上的办法大多是针对使用utf8字符集的数据库,主...
分类:
数据库 时间:
2014-06-18 10:01:58
阅读次数:
221
原题如下,意思就是说无序数组(由0,1,2组成),一遍扫描,把数组整理成0,1,2这样的序列。
Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red,...
分类:
其他好文 时间:
2014-06-18 07:12:43
阅读次数:
174
Given a set of distinct integers,
S, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.The solution set must not contain duplicate subsets.
For example,
...
分类:
其他好文 时间:
2014-06-18 00:39:26
阅读次数:
301
MySQL中的内置系统函数 用在SELECCT语句, 能及子句 where order by having 中 UPDATE DELETE, 函数中可以将字段名作为变量来用,变量的值就是这个列对应的每一行记录一、字符串函数 php中用的函数,MySQl中大部也提供 1. CONCAT(S1,S...
分类:
数据库 时间:
2014-06-17 23:53:34
阅读次数:
419
题目链接 Given an array and a value, remove all instances of that value in place and return the new length. The order of elements can be changed. It doesn...
分类:
其他好文 时间:
2014-06-17 23:45:10
阅读次数:
373
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
分类:
其他好文 时间:
2014-06-17 23:38:04
阅读次数:
341