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(转)Learning to Rank for IR的评价指标—MAP,NDCG,MRR
MAP: Mean Average Precision NDCG: Normalized Discounted Cumulative Gain MRR: Mean Reciprocal Rank
分类:其他好文   时间:2014-08-06 18:44:32    阅读次数:381
Best MVC Practices 最佳的MVC实践
Although Model-View-Controller (MVC) is known by nearly every Web developer, how to properly use MVC in real application development still eludes many people. The central idea behind MVC is?code ...
分类:Web程序   时间:2014-08-04 18:28:57    阅读次数:349
hdu 1811 Rank of Tetris (拓扑排序+并查集)
Rank of TetrisTime Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4931 Accepted Submission(s): 135...
分类:其他好文   时间:2014-08-01 19:07:32    阅读次数:279
Charm Bracelet(01背包)
Problem Description Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible from the N (1 ≤ N ≤ 3,402) available c...
分类:其他好文   时间:2014-08-01 16:12:31    阅读次数:248
Windows Server上iSCSI的Best Practices
Installing and Configuring Microsoft iSCSI Initiator http://technet.microsoft.com/en-us/library/ee338480(v=WS.10).aspx
分类:Windows程序   时间:2014-08-01 15:52:01    阅读次数:267
SQL Server’s Storage Top 10 Best Practices
好文章, 简明扼要. Storage Top 10 Best Practices http://technet.microsoft.com/en-us/library/cc966534.aspx
分类:数据库   时间:2014-08-01 12:54:31    阅读次数:242
app下载排名与收入排名-----App排行榜
http://www.appannie.com/indexes/all-stores/rank/games/?month=2014-05-01闲来无事 ,看看app排名。来自于五月份全球app排名 包括安android平台和IOS平台。从表中看除中国、日本外 ,绝大部分为欧美公司。而收入排行榜上中国...
分类:移动开发   时间:2014-07-31 12:19:36    阅读次数:541
ThinkPHP的操作基础(二)
1.$readTime_rank_result=M(‘blog‘)->order(‘bReadTime DESC‘)->limit(3)->select(): ? a.返回值为数据集,可以用一下的方法在前台输出: ? ? <volist name="readTime" id="r"> ? ? ? ?{$r.Id} nbsp; {$r...
分类:Web程序   时间:2014-07-31 10:01:26    阅读次数:281
HDU 3001 Travelling
Description After coding so many days,Mr Acmer wants to have a good rest.So travelling is the best choice!He has decided to visit n cities(he insists on seeing all the cities!And he does not mind w...
分类:其他好文   时间:2014-07-30 17:37:14    阅读次数:306
Oracle over函数
http://www.cnblogs.com/umen/archive/2011/04/11/2012136.htmlSQL code: sql over的作用及用法RANK ( ) OVER ( [query_partition_clause] order_by_clause )DENSE_RAN...
分类:数据库   时间:2014-07-30 14:42:43    阅读次数:328
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