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[leetcode] Binary Search Tree
题目:(Tree Stack)Implement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callingnext()will ...
分类:其他好文   时间:2015-01-01 00:04:55    阅读次数:231
【LeetCode】Binary Search Tree Iterator (2 solutions)
Binary Search Tree IteratorImplement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callin...
分类:其他好文   时间:2014-12-31 18:06:19    阅读次数:218
SQL Server 大数据量分页建议方案
简单的说就是这个select top(20) * from( select *, rowid = row_number() over(order by xxx) from tb with(nolock)) data where rowid > 0order by rowid或者这样写select *...
分类:数据库   时间:2014-12-31 12:51:35    阅读次数:218
oracle取分组的前N条数据
select * from(select animal,age,id,row_number()over(partition by animal order by age desc) row_numfrom zoo)where row_num <=5;http://bbs.csdn.net/topic...
分类:数据库   时间:2014-12-31 10:00:04    阅读次数:172
LintCode-Implement Iterator of Binary Search Tree
Design an iterator over a binary search tree with the following properties:Elements are visited in ascending order (i.e. an inorder traversal)next() a...
分类:其他好文   时间:2014-12-31 07:34:29    阅读次数:168
SQL ROW_NUMBER() OVER函数的基本用法用法
语法:ROW_NUMBER() OVER(PARTITION BY COLUMN ORDER BY COLUMN)简单的说row_number()从1开始,为每一条分组记录返回一个数字,这里的ROW_NUMBER() OVER (ORDER BY xlh DESC) 是先把xlh列降序,再为降序以后...
分类:数据库   时间:2014-12-29 15:09:21    阅读次数:150
Spring MVC 3 最简单的入门例子
最近在复习一下springMVC ,想再网上找一个demo,感觉国内的demo都太复杂了。后来在国外网站上发现了一个比较简单,应该说是最简单的spring mvc的demo了,在此做个记录,给需要的人了解一下。 第一步:准备包: 日志相关包 jcl-over-slf4j-1.6.1.jar logback-classic-0.9.29.jar logback-core-0.9.29.ja...
分类:编程语言   时间:2014-12-29 12:17:51    阅读次数:211
Android - Not trusted server certificate exception
问题是由于HTTPS Server没有证书引起的,在网上查了一下解决办法:Trusting all certificates using HttpClient over HTTPS主要代码如下:import java.io.IOException;import java.net.Socket;imp...
分类:移动开发   时间:2014-12-26 14:20:47    阅读次数:162
HDU 1043 Eight(BFS+康拓展开)
Problem Description The 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed with 15 sliding tiles, each with a number from 1 to 1...
分类:其他好文   时间:2014-12-25 01:28:24    阅读次数:300
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