从Socket上读取对端发过来的数据一般有两种方法: 1)依照字节流读取 BufferedInputStream in = new BufferedInputStream(socket.getInputStream()); int r = -1; List<Byte> l = new LinkedList<Byte>(); while ((r = in.read()) != -1) { l.add(Byte.valueOf((byte) r)); } 2)依照字符流读取 Buffe
问题描述 启动liferay之后,在控制台中打印出会打印出以下信息: 信息: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path:…… 意思是可让生产环境中达到最佳性能的Apache Tomcat本地库为基础的APR(Apache可移植运行库)不能在java类库路径中
Java实现Socket之TimeClient 代码内容 从time.nist.gov服务器的37号端口得到时间信息,并对时间进行解析后显示出来 代码实现 /* TimeClient.java */ import java.io.*; import java.net.*; import java.util.Date; public class TimeClient { public final static long differenceBetweenEpochs = 2208988800L;
Spark 1.5.2 Spark Streaming 学习笔记和编程练习 Overview 概述 Spark Streaming is an extension of the core Spark API that enables scalable, high-throughput, fault-tolerant stream processing of live data streams. Data can be ingested from many sources like Kafka,