Problem DescriptionAlice and Bob are playing together. Alice is crazy about art and she has visited many museums around the world. She has a good memo...
这个测试的目的是验证当前常用数据库连接池的性能。testcase Connection conn = dataSource.getConnection(); PreparedStatement stmt = conn.preparedStatement("select 1"); ResultS...
分类：
数据库 时间：
2014-08-05 21:47:40
阅读次数：
357
1、端口问题造成的连接失败 remote-prepare:
??[sshexec]?Connecting?to?123.123.123.123:22
java.net.ConnectException:?Connection?timed?out 解决办法 修改build.xml,配置端口号? <target?name="rem...
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其他好文 时间：
2014-08-05 19:39:00
阅读次数：
202
/*Elevator
The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the elevator will stop, in specified order. It...
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其他好文 时间：
2014-08-05 19:23:40
阅读次数：
209
1、使用org.springframework.jdbc.datasource.DriverManagerDataSource说明：DriverManagerDataSource建立连接是只要有连接就新建一个connection,根本没有连接池的作用。 2、使用or...
分类：
编程语言 时间：
2014-08-05 18:14:39
阅读次数：
228
转自stackoverflow和wiki In short, CRTP is when a class A has a base class which is a template specialization for the class A itself. E.g.template class ....
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其他好文 时间：
2014-08-05 15:24:49
阅读次数：
214
Golden PyramidOur Robo-Trio need to train for future journeys and treasure hunts. Stephan has built a special flat model of a pyramid. Now the robots ...
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其他好文 时间：
2014-08-05 14:02:59
阅读次数：
333
如果在rs.next()之前关闭了Statement或PreparedStatement，会导致下面的异常：java.sql.SQLException: 关闭的语句: next如果在rs.next()之前关闭了Connection，会导致下面的异常：java.sql.SQLException: 关闭...
分类：
数据库 时间：
2014-08-05 13:20:49
阅读次数：
235
I want to detect where a MouseEvent has
occurred, in coordinates relative to the clicked element. Why? Because I want to add an absolutely positioned child element
at the clicked location.
I kn...
分类：
Web程序 时间：
2014-08-05 11:09:29
阅读次数：
293
How to find friends思路简单,编码不易 1 def check_connection(network, first, second): 2 link_dictionary = dict() 3 4 for link in network: 5 dr...
分类：
其他好文 时间：
2014-08-05 11:02:19
阅读次数：
245
