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POJ2762-Going from u to v or from v to u?(Tarjan缩点,DAG判直链)
Going from u to v or from v to u? Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 14474   Accepted: 3804 Description In order to make their sons brave, Jiaji...
分类:其他好文   时间:2014-08-15 14:42:08    阅读次数:278
uva 705 - Slash Maze
Slash MazeBy filling a rectangle with slashes (/) and backslashes ( ), you can generate nice little mazes. Here is an example:As you can see, paths i....
分类:其他好文   时间:2014-08-15 14:30:58    阅读次数:272
类之间的关系
UML把类之间的关系分为五种:一、关联 关联指的是类之间的特定对应关系,其实质是类的对象之间的关系。 关联的两个类对应关系分为一对一、一对多、多对多三种。 如图所示,表示了Customer类和Order类之间的关联关系。关联关系表明了Customer类的对象和Order类的对象存在对应关系,本...
分类:其他好文   时间:2014-08-15 09:28:17    阅读次数:198
Android学习路线(二十三)运用Fragment构建动态UI——Fragment间通讯
In order to reuse the Fragment UI components, you should build each as a completely self-contained, modular component that defines its own layout and behavior. Once you have defined these reusable Fragments, you can associate them with an Activity and conn...
分类:移动开发   时间:2014-08-15 01:33:16    阅读次数:333
[POJ 2762]Going from u to v or from v to u? (强连通分量+拓扑排序)
Description In order to make their sons brave, Jiajia and Wind take them to a big cave. The cave has n rooms, and one-way corridors connecting some rooms. Each time, Wind choose two rooms x and y, an...
分类:其他好文   时间:2014-08-15 00:06:46    阅读次数:331
ROW_NUMBER()OVER(partition)的使用
select cardno,planname,ROW_NUMBER() over(partition by cardno,planname order by createtime asc) as rowfrom CardAddrBlack即:将cardno,planname看作一个分组,以他们内部的...
分类:其他好文   时间:2014-08-14 19:58:59    阅读次数:140
UVA - 12335 Lexicographic Order (第k大排列)
Description A Lexicographic Order Input: Standard Input Output: Standard Output   The alphabet of a certain alien language consists of n distinct symbols. The ...
分类:其他好文   时间:2014-08-14 14:11:48    阅读次数:201
Oracle 同名字段的该行数据按照创建时间最新的隐藏其他
1、需求,表 SYS_INFO 的 NAME 字段会重复,按照 创建时间CREATE_AT 字段,取最新一条,其他隐藏SELECT * FROM (SELECT T.*,ROW_NUMBER() OVER(PARTITION BY NAME ORDER BY CREATE_AT DESC) AS ....
分类:数据库   时间:2014-08-14 13:38:18    阅读次数:203
redis tcp-backlog配置
在redis2.8版本中有一个tcp-backlog配置, 说明如下:# TCP listen() backlog.## In high requests-per-second environments you need an high backlog in order# to avoid slow...
分类:其他好文   时间:2014-08-14 01:26:17    阅读次数:867
HQL语句使用
1、查询结果是表的部分字段,而不是全部ad是CouponAd 对象coupon 是ad的属性,也是一个实体类select ad.coupon from CouponAd ad where ad.deleted=false Order by createdDate desc2、like模糊搜索这里变量...
分类:其他好文   时间:2014-08-13 22:16:57    阅读次数:323
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