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http://stackoverflow.com/questions/1480236/does-a-tcp-socket-connection-have-a-keep-alivehttp://stackoverflow.com/questions/2735883/relation-between-h... 阅读全文
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Reference: Getting started with NIOTable of contentsBefore you startInput/output: A conceptual overviewChannels and buffersFrom theory to practice: Re... 阅读全文
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基本概念通常HTTP协议的模型是 Request ---> Respond , 客户端主动发起请求，而服务器不会主动向客户端发起通信。为了达到数据同步，通常会采用Polling方式：客户端定时查询服务器。缺点是浪费带宽，响应有延迟（与查询间隔有关）。解决办法【Server Push】 推送技术基于H... 阅读全文
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1. 多次选择相同的路径时，chooser.onchange 事件不触发参考链接Choosing the same directory multiple timesOnce the chooser has been used to select a directory (or the same fi... 阅读全文
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学习mavenpom.xml compile package install spring dependency injection 使用实例spring-context1 package hello;2 3 public interface MessageService {4 Strin... 阅读全文
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stackoverflow referencejava 概念图 阅读全文
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critical-section problema solution to critical-setion problem should satisfy 3 requiremnets:1.Mutual exclusion2.Progress3.Bounded waiting2 & 3的区别？有什么场... 阅读全文
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project-adding a system call to the linux kernel环境：Ubuntu 14.04.1 LTS1.准备内核源码：下载：WWW.kernel.org 解压：我选择解压到~/workspace/linuxKernel 目录下２.修改system table/l... 阅读全文
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(1) Blink cannot run alone, and (2) porting to other platforms happens at a different layer Instead of adding platform-specific code to Blink, you sh... 阅读全文
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System Callsthe system-call interface intercepts function calls in the API and invokes the necessary system call within the operating system.Interproc... 阅读全文