2 2 3 4 5
3 3 4 5 6 如果用以下命令读取myfile.txt (结果是没有了X，T1,T2,T3,T4,而且作为矩阵读入)
> df1 <- unname(as.matrix(read.table("E:/Rdata/myfile.txt", row.names=NULL,header=T, sep="\t")))
[,1] [,2] [,3] [,4] [,5]
[1,] "AA" "8" "5" "4" "6"
[2,] "AB" "3" "7" "9" "2"
[3,] "AC" "2" "6" "1" "0"
[4,] "AD" "3" "4" "7"
hadoop2.6环境搭建
1,准备环境:虚拟机hadoop01，修改ip地址master (192.168.111.10)
slaves1(192.168.111.11) slave2192.168.111.12)
2,修改主机名字
sudo gedit /etc/hostname(三个主机都要该)
一、安装j
android 开源code Android 开源消息推送
运行效果： 1. 添加OnePush主要依赖项目project的build.gradleallprojects {
repositories {
jcenter()
maven { url 'https://jitpack.io' }
//由于魅族个推等第三方库使用了不同的仓库，需要加
