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关于dom4j中的一些注意细节,Element和Node的区别

今天写练习的时候,碰到了nodeCount()结果不正确的困扰,后来是在网上查了才知道的…… 情况如下: dom4j里有个方法叫做nodeCount()。该方法是节点(node)计算,在使用它的时候,总是出现不...

java中的AES 256算法遇到 Illegal key size or default para

java中的AES 256算法遇到 Illegal key size or default parameters错的解决办法

Oracle XE Listener 手动启动

Oracle XE Listener 手动启动

Java 命令行编译 获得参数

Command-Line Arguments A Java application can accept any number of arguments from the command line. This allows the user to specify configuration information when the applicatio...

windows下查看端口的方法以及管道符号|

windows下查看端口的方法以及管道符号|,管道和Linux系统基本上是一致的。

优化SQL查询:如何写出高性能SQL语句

2、 统一SQL语句的写法 对于以下两句SQL语句,程序员认为是相同的,数据库查询优化器认为是不同的。 select*from dual  select*From dual 3、 不要把SQL语句写得太复杂 我经常看到,从数据...

2015/10/28 23:12
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java字节码忍者禁术

学习了 Javap -c class 命令 来将class 编辑成字节码

2015/10/15 22:21
118
git compare for docx file

https://github.com/vigente/gerardus/wiki/Integrate-git-diffs-with-word-docx-files This section was inspired by Martin Fenner's "Using Microsoft Word with git". To configure git ...

04/28 19:39
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Java8 new feature Java8 新特征之一接口default method

参考 https://dzone.com/articles/interface-default-methods-java 参考 https://docs.oracle.com/javase/tutorial/java/IandI/defaultmethods.html Java 8 introduces “Default Method” ...

04/26 18:01
14
关于git ~ 与 ^的区别

https://stackoverflow.com/questions/2221658/whats-the-difference-between-head-and-head-in-git http://www.paulboxley.com/blog/2011/06/git-caret-and-tilde 看出~ 表示 选择 某一个节...

kali linux2 run php file

1启动apache2 service apache2 restart 2 测试网页 /var/www/info.php <?php phpinfo(); ?> 3 访问的时候发现是404 ,后来发现是权限的问题 linux find path must precede expression /etc...

apache-http-server-and-apache-tomcat 不同

https://stackoverflow.com/questions/30632/difference-between-the-apache-http-server-and-apache-tomcat...

2017/12/07 15:51
3
Why Groovy?

Why should a team already used to Java pay attention to Groovy? Which problems does it solve for you? On this post I hope to show you some of these reasons, at least the ones th...

2017/12/07 14:55
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PE文件结构详解(一)基本概念

http://blog.csdn.net/evileagle/article/details/11693499

Difference between trustStore vs keyStore in Java SSL

http://www.java67.com/2012/12/difference-between-truststore-vs.html 1) Keystore is used to store your credential (server or client) while truststore is used to store others cred...

runit-Automatic starting,Automatic monitoring:服务监控

http://kchard.github.io/runit-quickstart/ Basically this means that runit provides: Automatic starting of services when the system starts Automatic monitoring and restarting of ...

what-happens-when-you-change-weblogi-configuration

https://oraclemva.wordpress.com/2013/03/18/what-happens-when-you-change-weblogi-configuration/...

2017/11/16 14:03
5
WPA/WPA2漏洞分析

WPA/WPA2漏洞分析(一) http://www.freebuf.com/articles/wireless/153323.html# WPA/WPA2漏洞分析(二) http://www.freebuf.com/articles/wireless/153324.html IEEE 802.11i-2004 WPA协议介绍...

iptables 理解

https://wiki.archlinux.org/index.php/Iptables_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87)

2017/11/03 15:12
10

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