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[Leetcode] 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 must not co...
分类:其他好文   时间:2015-03-13 18:18:46    阅读次数:208
对考勤原始数据处理,插入新表中整理数据
ALTER PROCEDURE [dbo].[Hr_addNewMonth]asBEGIN INSERT INTO [Hr_1] ([日期时间],[姓名] ,[考勤号码]) select distinct CONVERT(char(10),日期时间,120) as atime,姓名,考勤号码 f.....
分类:其他好文   时间:2015-03-13 17:58:21    阅读次数:208
1020. Tree Traversals (25)
1020. Tree Traversals (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Suppose that all the keys in a binary tree are distinct positive integers. Given the postord...
分类:其他好文   时间:2015-03-13 14:30:25    阅读次数:256
【LeetCode】Climbing Stairs
You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top?...
分类:其他好文   时间:2015-03-13 14:26:07    阅读次数:120
115. distinct subsequence leetcode python
Given a string S and a string T, count the number of distinct subsequences of T in S. A subsequence of a string is a new string which is formed from the original string by deleting some (can be non...
分类:编程语言   时间:2015-03-13 10:57:15    阅读次数:188
LeetCode-115 Distinct Subsequences
Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is formed from the orig...
分类:其他好文   时间:2015-03-13 00:20:24    阅读次数:178
sql中的distinct
测试书中题目:加上distinct是否多余?不加distinct的话,显示类似如下情况:SELECT count( * )FROM `players`GROUP BY towncount( * )122加上distinct的话,显示类似如下情况:SELECT distinct count( * )F...
分类:数据库   时间:2015-03-12 13:11:11    阅读次数:137
group_concat函数详解
问了好多人,都不知道group_concat这个函数。这个函数好啊,能将相同的行组合起来,省老事了。MySQL中group_concat函数完整的语法如下:group_concat([DISTINCT] 要连接的字段 [Order BY ASC/DESC 排序字段] [Separator '分隔符'...
分类:其他好文   时间:2015-03-11 18:56:14    阅读次数:112
How to Map Distinct Value Types Using Java Generics--reference
原文:http://www.codeaffine.com/2015/03/04/map-distinct-value-types-using-java-generics/Occasionally the average developer runs into a situation where he...
分类:编程语言   时间:2015-03-11 16:20:28    阅读次数:155
[LeetCode]Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.For example, Given 1->2...
分类:其他好文   时间:2015-03-11 14:29:17    阅读次数:111
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