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Nodejs + express to build a multi-person chat room step, nodejsexpressPreface This article is mainly a process in which I spent a few days as a trainer to write a tutorial while learning node. This is suitable for students who have a lot of

Preliminary Winsock programming principles 　 This course focuses on the TCP/IP programming interface Winsock in Windows. The version is 1.1. The later version of Winsock is similar to that of Version 1.1. It mainly involves some extensions, such as

1. TCP Connection The mobile phone can use the internet function because the mobile phone bottom layer implements the TCP/IP protocol, which enables the mobile terminal to establish a TCP connection through the wireless network. The TCP protocol can

Socket. emit ('action'); indicates that an action command is sent, which is a string and can be written as follows when receiving the command from the other end: socket. on ('action', function (){...});Socket. emit ('action', data); indicates that

Socketssockets, another way of communicating between processes. Prior IPC mechanisms can only be limited to a single computer system for resource sharing. The socket interface allows the process on one machine to communicate with the process on

Principle: The client uses regular http to request webpage requests to execute javascript scripts and open a connection to server. when there is new information, the server and client can send information to each other (Real-time traffic from the

Document directory Cometd Socket. Io Comet Session Protocol Tunguska Dojo 1.6 provides a dojo Socket API developed based on websocket API for real-time communication. websocket provides an object that supports full-duplex communication, we

When the application layer uses the transport layer for data communication, TCP and UDP may encounter concurrent services for multiple application processes at the same time. Multiple TCP connections or multiple application processes may need to

To facilitate network programming, Microsoft and several other companies jointly developed a set of network programming interfaces for windows in Early 1990s, namely, the Windows Sockets specification, which is not a network protocol, it is an open

About socket, Baidu encyclopedia said this: What is socket The so-called socket is also known as "socket". An application usually sends a request to or responds to a network request through "socket. Taking J2SDK-1.3 as an example, the socket and

By http://blog.csdn.net/kaiming2008/archive/2009/02/25/3934203.aspx I. Characteristics of TCP/IP communication on mobile phones 1. Poor communication stability. Mobile phone communication is far less stable than PC. Mobile phone communication is a

This article mainly introduces node. socket. js. i/O advanced usage skills. This article describes the configuration, room, event, authorization, and other content. For more information, see Socket in the previous blog. IO, I briefly introduced

Preface Today, users expect fast and dynamic applications that can be accessed through the web. This article series shows how to use reverse Ajax (reverse Ajax) technology to develop event-driven Web applications. Part 1 of the series describes

When the application layer uses the transport layer for data communication, TCP and UDP may encounter multiple applications at the same time. Program The process provides concurrent services. Multiple TCP connections or multiple application

This article mainly introduces socket in node. io event Usage Details. For more information, see socket. the io class library can not only send messages to each other, but also send events to each other through the emit method of the socket port

I would like to ask if you want to implement real-time message push for a webpage forum. the frontend and backend are separated and use node as the middle layer. I plan to use socket on the client and node. io establishes a persistent connection,

The Socket. IO instance in node. js, node. jssocket. io 1. Introduction First Socket. IO Official Website: http://socket.io The official website is very concise, and there is no API documentation. There is only one simple "How to use" for reference.

Node. js uses the socket. io method, node. jssocket. io You can use socket. io to create a socket. io server. However, this server depends on a created http server. After the http server is running, use the listen method to append a socket. io

The socket. io client is very elegant in event processing, which is similar to weboscket's limited javascript interface, but supports more custom events: Var socket = io. connect ('HTTP: // localhost: 9000/chat '); Socket. on ('connect ', function ()

C # basic notes (16th days ), 1. Process Review// Open the application through the processProcess. Start ("calc ");Process. Start ("mspaint ");Process. Start ("notepad ");Process. Start ("iexplore", "http://www.baidu.com "); // Open a specified file