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Oracle instr 及 like
原文: http://www.cnblogs.com/crazyjava/archive/2012/10/31/2748202.htmlinstr(string1,string2[,start_position[,nth_appearence]])string1:要在此字符串中查找。string2:...
分类:数据库   时间:2014-11-19 00:07:31    阅读次数:283
LeetCode:Remove Nth Node From End of List
题目描述: Given a linked list, remove the nth node from the end of list and return its head. For example, Given linked list: 1->2->3->4->5, and n = 2. After removing the second node from t...
分类:其他好文   时间:2014-11-18 10:18:38    阅读次数:170
PAXOS may not terminate
It’s easy to see that Paxos does have a failure mode. When two proposers are active at the same time, they may ‘duel’ for highest proposal number by a...
分类:其他好文   时间:2014-11-18 06:56:58    阅读次数:191
Leetcode: Remove Nth Node From End of List
Given a linked list, remove thenthnode from the end of list and return its head.For example, Given linked list: 1->2->3->4->5, and n = 2. After re...
分类:其他好文   时间:2014-11-17 22:45:53    阅读次数:164
读书笔记 1 of Statistics :Moments and Moment Generating Functions (c.f. Statistical Inference by George Casella and Roger L. Berger)
Part 1: MomentsDefinition 1 For each integer $n$, the nth moment of $X$, $\mu_n^{'}$ is\[\mu_{n}^{'} = EX^n.\]The nth central moment of $X$, $\mu_n$, ...
分类:其他好文   时间:2014-11-17 21:02:46    阅读次数:152
hdu 1158 dp
1 /* 2 题目大意:给n个月工作需要的人数,雇佣一个需要花hire 3 每个月的薪水是salary,解雇一个需要fire 4 求完成所有工作的最小费用 5 dp(i,j)表示第i个月雇佣j员工的最小费用 6 */ 7 #include 8 #include 9 #include 10 us...
分类:其他好文   时间:2014-11-17 00:31:01    阅读次数:151
LeetCode Remove Nth Node From End of List 删除链表的倒数第n个结点
1 /** 2 * Definition for singly-linked list. 3 * struct ListNode { 4 * int val; 5 * ListNode *next; 6 * ListNode(int x) : val(x), ne...
分类:其他好文   时间:2014-11-15 00:03:01    阅读次数:364
Remove Nth Node From End of List
Given a linked list, remove thenthnode from the end of list and return its head.For example, Given linked list: 1->2->3->4->5, and n = 2. After re...
分类:其他好文   时间:2014-11-14 22:27:28    阅读次数:175
数据库基础知识(六)
1、用两种方式根据部门号从高到低,工资从低到高列出每个员工的信息。employee: eid,ename,salary,deptid;select * from employee order by deptiddesc,salary2、列出各个部门中工资高于本部门的平均工资的员工数和部门号,并按部门...
分类:数据库   时间:2014-11-13 18:10:14    阅读次数:210
sql表连接去重复查询
查询公司与公司最新刷新的一条信息 select t1.userid,t1.id,t1.title,t1.RegType,t1.Salary,t1.SubjectID,t1.RefreshTime,t2.name,t2.logo,t2.[address],t2.CreateTime f...
分类:数据库   时间:2014-11-13 16:29:33    阅读次数:206
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