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PatentTips - Optimizing power usage by factoring processor architectural events to PMU
BACKGROUNDProcessor power consumption has become a major issue in recent years. The current trend of processor design to multi-core architecture as ea...
分类:其他好文   时间:2014-06-18 22:16:54    阅读次数:435
PatentTips - Increasing turbo mode residency of a processor
BACKGROUNDMany modern operating systems (OS's) use the Advanced Configuration and Power Interface (ACPI) standard, e.g., Rev. 3.0b, published Oct. 10,...
分类:其他好文   时间:2014-06-18 22:07:15    阅读次数:382
A SQL Query to find database files
1 SELECT 2 DB_NAME(mf.database_id) AS databaseName, 3 name as File_LogicalName, 4 case 5 when type_desc = 'LOG' then 'Log File' 6 when type_desc = 'R....
分类:数据库   时间:2014-06-18 19:25:20    阅读次数:233
Merge into(oracle)
作用:使用一条sql语句进行insert或者update操作,如果存在就update,如果不存在就insert语法:MERGE INTO table_name t1USING (table|view|sub_query) t2ON (join condition) WHEN MATCHED THEN...
分类:数据库   时间:2014-06-18 13:42:59    阅读次数:314
(Power Strings)sdutoj2475
#include #include #include char a[1000001];int next[1000001];int l;void Getnext(){ int j=-1; int i=0; next[0]=-1;//忘写了,死循环 while(i...
分类:其他好文   时间:2014-06-18 09:35:19    阅读次数:138
What does addScalar do?
The JavaDoc says:SQLQuery org.hibernate.SQLQuery.addScalar(String columnAlias, Type type)Declare a scalar query resultI know whatexecuteScalaris in C#...
分类:其他好文   时间:2014-06-17 21:28:36    阅读次数:236
CGlib小记
CGlib是一个强大的代码生成包,常被用于各种AOP框架,提供“拦截”功能。JDK本身就为控制要访问的对象提供了一种途径,动态代理Proxy。但是被代理的累必须实现一个或多个接口。如果想摆脱这个限制,为没有实现借口的类代理的话,可以使用CGlib。 下面是一个入门学习的小例子。 需求:InfoManager类有四个方法,query、del、create、update。要对这些方法进行访问控制。...
分类:其他好文   时间:2014-06-17 19:31:21    阅读次数:175
acd The Game about KILL(和约瑟夫归则一样,归律)
Problem DescriptionTeacher HU and his 40 students were trapped by the brigands. To show their power, the head of the brigands want to select one peopl...
分类:其他好文   时间:2014-06-17 00:28:32    阅读次数:362
PatentTips - Power management implementation in an optical link
BACKGROUND INFORMATIONEmbodiments of the present invention are directed to optical links and, more particularly, to optical links which may save power...
分类:其他好文   时间:2014-06-16 23:27:59    阅读次数:183
Impala与Hive的比较
1. Impala架构        Impala是Cloudera在受到Google的Dremel启发下开发的实时交互SQL大数据查询工具,Impala没有再使用缓慢的Hive+MapReduce批处理,而是通过使用与商用并行关系数据库中类似的分布式查询引擎(由Query Planner、Query Coordinator和Query Exec Engine三部分组成),可以直接从HDFS...
分类:其他好文   时间:2014-06-16 14:42:11    阅读次数:251
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