Hadoop文件系统 基本的文件系统命令操作, 通过hadoop fs... Read More | Share it now!
AngularJS cookies
Angular-cookies Doc: https://docs.angularjs.org/api/ngCookies/service/$cookies Download angular-cookies.js: https://docs.angularjs.org/api/ngCookies https://ajax.googleapis.com/ajax/libs/angularjs/1.5.5/angular-cookies.js controller.js var myApp =... Read More | Share it now!
check port open
http://www.portcheckers.com/ ... Read More | Share it now!
scp 命令
================== scp 命令 ================== scp 可以在 2个 linux 主机间复制文件； 命令基本格式： scp file_source file_target ====== 从 本地 复制到 远程 ====== * 复制文件： * 命令格式： scp local_file... Read More | Share it now!
Hadoop Error: java.io.IOException: Filesystem closed
Hortonworks Error Log 2014-05-20 17:29:32,242 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:lpinsight (auth:SIMPLE) cause:java.io.IOException: Filesystem closed 2014-05-20 17:29:32,243 WARN... Read More | Share it now!
Linux date命令的用法
在linux shell编程中，经常用到日期的加减运算 以前都是自己通过expr函数计算，很麻烦 其实date命令本身提供了日期的加减运算 非常方便。例如：得到昨天的时间 date +%Y%m%d –date=”-1... Read More | Share it now!
jConsole – JMX remote access on Tomcat
http://www.mkyong.com/tomcat/jconsole-jmx-remote-access-on-tomcat/ In this tutorial, we will show you how to use jConsole to remote access a Tomcat instance, for JVM monitoring stuff. Tools and environment used : Ubuntu 13 + Tomcat 7 +... Read More | Share it now!
javascript获取随机颜色
http://www.cnblogs.com/rubylouvre/archive/2009/09/24/1572977.html 在制作饼图或标签云时，我们通常需要很多颜色，方法有二。一是准备一组漂亮的候选颜色，二是随机生成颜色。在数量很多或不明确时，我想后者就是唯一的出路了。谷歌了一下，整理如下，按由浅入深的顺序排列。 实现1 var... Read More | Share it now!
recursive java
package com.testcases; import java.util.ArrayList; /** * Created by shiyanghuang on 16/3/8. */ public class recursive { static int MAX_LEVEL = 5; static ArrayList data = new ArrayList(); public void rc(ArrayList result,... Read More | Share it now!
Java反射中Method类invoke方法的用法
ToBeReflact.java package com.testcases.reflaction; /** * Created by shiyanghuang on 16/3/2. */ public class ToBeReflact { private String name; ToBeReflact() { this.name = "Default"; } ToBeReflact(String name) { ... Read More | Share it now!