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[LeetCode][JavaScript]Valid Palindrome
https://leetcode.com/problems/valid-palindrome/Valid PalindromeGiven a string, determine if it is a palindrome, considering only alphanumeric characte...
分类:编程语言   时间:2015-05-18 18:46:26    阅读次数:304
转:Linux - Load your root partition to RAM and boot it
This tutorial will guide you through the steps to modify your initramfs to load all files from / to atmpfs. This will only work with Debian or Ubuntu ...
分类:系统相关   时间:2015-05-18 16:27:13    阅读次数:294
【leetcode】Partition List
Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x.You should preserve the o...
分类:其他好文   时间:2015-05-18 14:29:35    阅读次数:84
sqlserver查询某一字段重复超5次的所有记录
用的sqlserver2008 r2。SELECT*FROM t_classWHERE idIN (SELECTidFROM (SELECTROW_NUMBER() OVER (PARTITION BY id ORDER BY inserttime) AS rn,idFROM t_class) my...
分类:数据库   时间:2015-05-18 14:16:47    阅读次数:142
Codeforces Beta Round #7--D. Palindrome Degree(Manacer)
题目:http://blog.csdn.net/winddreams/article/details/44218961求出每一个点为中心的最长字符串,推断该串是不是从开头的回文串。#include #include #include using namespace std ;int p[120000...
分类:其他好文   时间:2015-05-15 21:10:51    阅读次数:109
Valid Palindrome -- leetcode
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example, "A man, a plan, a canal: Panama" is a palindrome. "race a car" is not a ...
分类:其他好文   时间:2015-05-14 22:10:26    阅读次数:131
Palindrome Number
public class Solution { public boolean isPalindrome(int x) { if (x < 0) { return false; } return x == reverse(x); ...
分类:其他好文   时间:2015-05-13 12:19:59    阅读次数:68
PE 4 Largest palindrome product(最大回文)
题目A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 × 99.Find the larges...
分类:其他好文   时间:2015-05-13 00:51:35    阅读次数:228
hive修改已经存在的表
修改已经存在的表: alter table Alter table 语句允许用户改变现有表的结构。用户可以增加列/分区,表本身重命名。 1) 增加分区 Add Partitions: ALTER TABLE table_name ADD partition_spec [ LOCATION 'location1']partition_spec [ LOCATION 'location...
分类:其他好文   时间:2015-05-12 23:12:37    阅读次数:451
分布式数据库MVCC读写设计
分布式数据库数据表分成多个parition,分布在不同server上,拓扑是每个server维护不同的版本时间戳,相比单机数据库,提供MVCC要复杂很多,当然,你如果有spanner的原子钟,那会简单很多。现描述一种可行的实现方案,抛砖引玉。此方案可以做如下保证: 1.单Partition读(分分布式事务读)可以保重repeated read。 2同一个server上的分布式事务可以保证repeat...
分类:数据库   时间:2015-05-12 21:08:45    阅读次数:267
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