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双色球概率分析

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package test; import java.math.BigInteger; import java.math.BigDecim...

2015/11/10 10:57
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MySQL 版本后面 -log的含义

VERSION() Returns a string that indicates the MySQL server version. As of MySQL 4.1, the string has the utf8 character set. mysql> SELECT VERSION(); -> '4.1.25-standard...

2015/11/10 10:57
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Java文件操作大全

1.创建文件夹 File myFolderPath = new File(%%1); try { if (!myFolderPath.exists()) { myFolderPath.mkdir(); } } catch (Exception e) { System.out.println(...

2015/11/10 10:57
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就简单数值求解

将1,2,3,4,5,6,7,8,9共9个数分成三组,组成3个三位数,且使这3个三位数构成1:2:3的比例,例如:3个三位数192,384,576满足以上条件.192:384:576=1:2:3。 #include<stdio.h> int judge(int n); ...

J#
2015/11/10 10:57
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Ubuntu MySQL设置开机启动

查看mysql运行状态 sudo service mysql.server status 如果运行正常,会显示 MySQL running。 如果显示 not running,应该是前面没有启动服务,可直接用service mysql.server start启动 sudo...

2015/11/10 10:57
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How Memory is being used

To determine what plans are in the cache and how often they're used we can use sys.dm_os_memory_cache_counters dm view . SELECT TOP 6 LEFT([name], 20) as [name], LEFT([type...

2015/11/10 10:57
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