FIELD OF INVENTIONThis invention relates to computer graphics processing, and more specifically to computer graphics processing using two or more arch...
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其他好文 时间:
2014-07-14 14:21:10
阅读次数:
272
Android is a privilege-separated operating system, in which each application runs with a distinct system identity (Linux user ID and group ID). Par...
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移动开发 时间:
2014-07-14 10:50:35
阅读次数:
290
一天查看数据库长会话,发现1个sql跑得很慢,1个多小时不出结果,花了点时间把它给优化了。
优化前:
SELECT 20131023,
"A2"."ORG_ID",
COUNT(DISTINCT NLSSORT(CASE "A2"."RES_TYPE"
WHEN 'DP' THEN
...
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其他好文 时间:
2014-07-12 23:48:46
阅读次数:
217
题目来源,待字闺中,原创@陈利人
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原题这个LIS问题,可不是Longest Increasing Subsequence,而是Largest Independent Set,含义如下:给定一棵二叉树,找到满足如下条件的最大节点集合:集合中的任意两个节点之间,都没有边。如下图:
LIS大小为5,为{10,40,60,70,8...
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其他好文 时间:
2014-07-12 23:20:18
阅读次数:
267
Distinct SubsequencesGiven a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is...
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其他好文 时间:
2014-07-12 13:37:37
阅读次数:
141
如将字符串‘张三,李四,王五,赵六,'转换成1. 张三2.李四3.王五4.赵六REGEXP_SUBSTR查询语句:WITH TEST AS (SELECT‘张三,李四,王五,赵六,' AS STR FROM DUAL)SELECT DISTINCT REGEXP_SUBSTR(STR, '[^,]+...
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数据库 时间:
2014-07-11 21:06:05
阅读次数:
258
DescriptionA subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = another sequence....
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其他好文 时间:
2014-07-11 11:28:14
阅读次数:
269
select count(1) from (select distinct a.ID from chatonline a, chatonlinelog b where a.ID = b.chatonlineID) t
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数据库 时间:
2014-07-11 11:25:46
阅读次数:
232
Longest Ordered Subsequence
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 31787
Accepted: 13903
Description
A numeric sequence of ai is ordered if a1 a2...
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其他好文 时间:
2014-07-10 20:27:45
阅读次数:
202
1 public class Product 2 { 3 public string Name { get;set;} 4 public int Code { get; set; } 5 } 6 ...
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其他好文 时间:
2014-07-09 17:39:41
阅读次数:
182