按照教程http://cn.soulmachine.me/blog/20140205/搭建总是出现如下问题: 2014-04-13 23:53:45,450 INFO org.apache.hadoop.hdfs.server.common.Storage: Lock on /home/hadoop/local/var/hadoop/hdfs/datanode/in_use.lock acquired by nodename 19771@node-10-00.example.com 2014-0
原文:WPF 控制程序只能启动一次 版权声明:本文为博主原创文章,未经博主允许不得转载. https://blog.csdn.net/jsyhello/article/details/7411898 public partial class App : Application { System.Threading.Mutex mutex; public App() { this.Startup += new
// 定时启动一个操作.任务 using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.ComponentModel; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; using System.Timers; /* 功能:定