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hdu4686---Arc of Dream(矩阵)
Problem Description An Arc of Dream is a curve defined by following function:where a0 = A0 ai = ai-1*AX+AY b0 = B0 bi = bi-1*BX+BY What is the value of AoD(N) modulo 1,000,000,007?Input There ar...
分类:其他好文   时间:2015-03-12 19:23:39    阅读次数:278
开平区的数据迁移工作
select * from t_cmts_disk ;-- 备课资源 (复制资源目录)select path_content from t_cmts_disk where mediatype_id='002' and stage_id=? and subject_id=? -- ; path_...
分类:其他好文   时间:2015-03-12 18:46:42    阅读次数:122
msyql null 引起的错误
mysql 默认值不要为null,最好为空 否则,当你查询的时候,会引起一些异常 例如 select  * from a where b!='new' 如果有一条数据b=null,你是查询不出来的 解决办法可以改为 select  * from a where ifnull(b,'')!='new' 最好就是建表的时候,默认设置为空,不要null...
分类:其他好文   时间:2015-03-12 17:21:21    阅读次数:103
xml格式发送
1、namespace xml格式发送{ /// /// 实体转Xml,Xml转实体类 /// /// public class XmlManage where T : new() { /// /// 对象实例转成xml ...
分类:其他好文   时间:2015-03-12 16:50:33    阅读次数:127
[LeetCode] Gas Station 贪心
There areNgas stations along a circular route, where the amount of gas at stationiisgas[i].You have a car with an unlimited gas tank and it costscost[...
分类:其他好文   时间:2015-03-12 16:44:25    阅读次数:203
几种更新(Update语句)查询的方法
正 文:数据库更新就一种方法Update,其标准格式:Update 表名 set 字段=值 where 条件只是依据数据的来源不同,还是有所差别的:1.从外部输入这样的比較简单例:update tb set UserName="XXXXX" where UserID="aasdd"2.一些内部变量,...
分类:其他好文   时间:2015-03-12 14:52:48    阅读次数:144
[LeetCode] Word Search 词语搜索
Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where "adjace...
分类:其他好文   时间:2015-03-12 14:43:40    阅读次数:118
Trapping Rain Water
Trapping Rain Water问题:Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to...
分类:移动开发   时间:2015-03-12 09:45:06    阅读次数:150
树形结构语法
withsubqry(CODE,NAME,PCODE)as(selectCODE,NAME,PCODEfromCategorywhereCODE=‘fa3e09f7-1db7-4fa2-92a4-106e35e136ea‘unionallselectCategory.CODE,Category.NAME,Category.PCODEfromCategory,subqrywhereCategory.PCODE=subqry.CODE)select*fromsubqry;
分类:其他好文   时间:2015-03-12 08:35:23    阅读次数:177
LeetCode: Linked List Cycle ii 解题报告
Linked List Cycle ii Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Follow up: Can you solve it ...
分类:其他好文   时间:2015-03-12 00:39:43    阅读次数:157
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