在struct streaming提供了一个类,用来监听流的启动.停止.状态更新 StreamingQueryListener 实例化:StreamingQueryListener 后需要实现3个函数: abstract class StreamingQueryListener { import StreamingQueryListener._ /** * Called when a query is started. * @note This is called synchronously w
import org.apache.spark.{SparkConf, SparkContext} import org.apache.spark.sql.{Row, SparkSession} import org.apache.spark.sql.hive._ /** * Created by soyo on 17-10-12. */ case class Persons(name:String,age:Int) case class Record(key: Int, value: Stri
之前总结了redis的通讯流程,基本框架,epoll的封装等等,这次介绍下 redis对于select模型的封装 //select 模型 typedef struct aeApiState { //读文件描述符集合,写文件描述符集合 fd_set rfds, wfds; /* We need to have a copy of the fd sets as it's not safe to reuse * FD sets after select(). */ //读写集合的副本 fd_set _
Ref: [Feature] Preprocessing tutorial 主要是 “无量纲化” 之前的部分. 加载数据 一.大数据源 http://archive.ics.uci.edu/ml/http://aws.amazon.com/publicdatasets/http://www.kaggle.com/http://www.kdnuggets.com/datasets/index.html 二.初步查看 了解需求 Swipejobs is all about matching Jobs
Darwin Streaming Server 概要 Darwin Streaming Server简称DSS.DSS是Apple公司提供的开源实时流媒体播放服务器程序.整个程序使用C++编写,在设计上遵循高性能,简单,模块化等程序设计原则,务求做到程序高效,可扩充性好.并且DSS是一个开放源代码的,基于标准的流媒体服务器,可以运行在Windows NT和Windows 2000,以及几个UNIX实现上,包括Mac OS X,Linux,FreeBSD,和Solaris操作系统上的.