当用户上传数据到HDFS上时经常会出现这个错误hdfs.DFSClient:ExceptionincreateBlockOutputStreamjava.net.NoRouteToHostException:Noroutetohost这种情况网上的解决办法通常是告诉要关闭防火墙，至于关于哪台主机的防火墙并没提。查看日志文件，只说是Noroutetohost没有提端口..
分类：
其他好文 时间：
2015-01-20 18:37:47
阅读次数：
188
Choose the best route
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 7764 Accepted Submission(s): 2581
Problem Description
On...
分类：
其他好文 时间：
2015-01-20 12:04:28
阅读次数：
153
There are N gas stations along a circular route, where the amount of gas at station i is gas[i].
You have a car with an unlimited gas tank and it costs cost[i] of gas to travel from station i to ...
分类：
编程语言 时间：
2015-01-19 22:49:02
阅读次数：
182
Gas StationThere areNgas stations along a circular route, where the amount of gas at stationiisgas[i].You have a car with an unlimited gas tank and it...
分类：
其他好文 时间：
2015-01-18 20:55:10
阅读次数：
135
1、不使用路由器交换机硬件连接：使用网线将开发板和PC机相连串口线将PC机和开发板相连使用命令：ifconfig -a串口控制端查看开发板的网络配置route -n串口控制端查看开发板的网关设置如果开发板：IP:192.168.1.8Subnet_Mask:255.255.248.0PC机对应的配置...
分类：
其他好文 时间：
2015-01-18 11:44:10
阅读次数：
160
win7设置方法内网网卡手动设置IP 和掩码，DNS，不需要默认网关。如果2块网卡都有网关就会产生冲突配置路由route -p add 192.168.0.0 mask 255.255.0.0 192.168.1.2原理：将内网的的申请交由内网网关处理，其余由外网处理-P 参数代表永久写入路由表ub...
分类：
其他好文 时间：
2015-01-17 19:25:02
阅读次数：
279
Consider the number triangle shown below. Write a program that calculates the highest sum of numbers that can be passed on a route that starts at the top and ends somewhere on the base. Each step can...
分类：
其他好文 时间：
2015-01-16 10:05:03
阅读次数：
153
https://oj.leetcode.com/problems/gas-station/There areNgas stations along a circular route, where the amount of gas at stationiisgas[i].You have a car...
分类：
其他好文 时间：
2015-01-15 12:29:53
阅读次数：
202
问题描述：
There are N gas stations along a circular route, where the amount of gas at station
i is gas[i].
You have a car with an unlimited gas tank and it costs
cost[i] of gas to travel from statio...
分类：
其他好文 时间：
2015-01-13 23:20:36
阅读次数：
266
