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Could not open a connection to your authentication agent
执行ssh-add ~/.ssh/rsa 就会遇到上述错误了解决方案:先执行 eval `ssh-agent` (是~键上的那个`)再执行 ssh-add ~/.ssh/rsa成功ssh-add -l 就有新加的rsa了然后就可以clip ~/.ssh/id_rsa.pub了,然后paste到git...
分类:其他好文   时间:2014-08-28 11:05:59    阅读次数:204
JDBC连接mySQL数据库关键四步骤
1、查找驱动程序 MySQL目前提供的Java驱动程序为Connection/J,可以从MySQL官方网站下载,并找到mysql-connector-java-3.0.15-ga-bin.jar文件,此驱动程序为纯Java驱动程序,JDBC链接MySQL不需做其他配置。 2、动...
分类:数据库   时间:2014-08-28 09:52:39    阅读次数:287
使用DbUtils实现增删改查——ResultSetHandler 接口的实现类
在上一篇文章中《使用DbUtils实现增删改查》,发现执行runner.query()这行代码时,需要自己去处理查询到的结果集,比较麻烦。这行代码的原型是: public Object query(Connection conn, String sql, ResultSetHandler rsh, Object... params) 其中ResultSetHandler是一个接口,实际上,万能...
分类:数据库   时间:2014-08-28 09:43:39    阅读次数:274
BaseDAO,要背过哦
package com.equipmentmanager.dao;import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultS...
分类:其他好文   时间:2014-08-28 07:25:39    阅读次数:179
hdu1561--H - ACboy needs your help(树形dp)
H - ACboy needs your help Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status   Description ACboy has N courses this term, and he plans to spend...
分类:其他好文   时间:2014-08-27 22:02:48    阅读次数:246
Hackerrank--XOR love (Math系列)
题目链接Devendra loves the XOR operation very much which is denoted by∧sign in most of the programming languages. He has a listAofNnumbers and he wants to...
分类:其他好文   时间:2014-08-27 21:53:08    阅读次数:316
HDU1712:ACboy needs your help(分组背包模板)
http://acm.hdu.edu.cn/showproblem.php?pid=1712Problem DescriptionACboy has N courses this term, and he plans to spend at most M days on study.Of cours...
分类:其他好文   时间:2014-08-27 21:40:58    阅读次数:287
UVA 11992 Fast Matrix Operations
每一行都建一个线段树。。。。 Fast Matrix Operations There is a matrix containing at most 106 elements divided into r rows and c columns. Each element has a location (x,y) where 1 1 x1 y1 x2 y2 v ...
分类:其他好文   时间:2014-08-27 18:50:58    阅读次数:199
the network could not establish the connection
为了方便建表等操作,我用sql developer 连接linux 底下的数据库,可连接时出现了这个问题the network could not establish the connection。检查了一下防火墙也关了,也ping的通,没理由啊,上网查了一大堆,发现大家都说到了listener.o...
分类:Web程序   时间:2014-08-27 18:25:58    阅读次数:258
Unity3d 联通沃商店接入问题
Caused by: java.lang.RuntimeException: Can't create handler inside thread that has not called Loope解决办法:
分类:移动开发   时间:2014-08-27 18:23:18    阅读次数:208
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