node js book

This article mainly introduces Node. stream in js. This article describes what Stream, pipe method, Stream classification, and Readable Stream status switching. For more information, see What is stream? When it comes to stream, it involves the concept of * nix: pipeline-In * nix, the stream is implemented in Shell as data that can be bridge through | (pipeline operator, the output (stdout) of a process can

Node. js static file server ultimate version, node. js static ultimate version First, I would like to thank github for providing the source code on github. Compared with last night's static file server, it is a little more complex and can learn a lot of new things. The Code contains a fs. stat function and the pipe fun

This article describes how to get the Buffer object byte length from the Node. js practical code segment. For more information, see what we know under the Node. js framework. Buffer objectIt can provide good support for binary data, so it is necessary to obtain the actual length of bytes of a Buffer object. The

This article mainly introduces Node. the event-driven programming in js is explained in detail. This article mainly describes theoretical knowledge, such as what is event-driven programming, What Is closures, and how closures help asynchronous programming, if you need it, you can refer to the traditional programming model. I/O operations are like a common local function call: The program is blocked before t

Node. js blog instance (9) Tag and tag page, node. js instance Original tutorial. Each article has a maximum of three tags (less than three tags can also be). When you click the link on the left-side tab of the home page, you can jump to the tab and list all existing tags. When you click any tag link, go to this tab an

This article describes how to use npm to publish a Node. JS package tutorial. This article describes how to configure a package. json, register an npm account, publish a package, etc. For more information, see if npm is a Node. JS package manager. During Node.

This article mainly introduces Node in Linux. the method for configuring MySQL or Oracle databases in js programs. By default, the Node environment has been assembled and we can use the npm package management tool for configuration. For more information, see Mysql usageInstall the mysql module: Run the command in the cmd command line of the installation root dire

The console. trace Method in node. js is used in node. js scenarios. Method description: Outputs the current call stack to the standard error stream. Syntax: Copy codeThe Code is as follows:Console. trace (label) Receiving parameters: Label Example: Copy codeThe Code is as follows:Console. trace ();// Running result:Tr

This article mainly introduces how to use Node. js to implement content sharding in HTTP206. Node. js is a JavaScript framework for servers. For more information, see Introduction In this article, I will describe the basic concept of HTTP status 206, and use Node.

This article describes how to quickly master Node. the use of setTimeout and setInterval in js. If you are interested, refer to Node. js and js also have timers, time-out timers, interval timers, timely timers, and processes. nextTick (callback) function to implement event s

Basic tutorial on how to use the Request module to process HTTP requests in Node. js, node. jsrequest Here we will introduce a Node. js module -- request. With this module, http requests become super simple. The Request is simple and supports both https and redirection. Va

This article mainly discusses and verifies whether forEach () in node. js is synchronous or asynchronous, and shares ideas and methods with you. if you need it, you can refer to it. Almost all callback functions in node are asynchronous. the code behind the callback function may be executed before the code in the callback function is executed, especially for data

1. What is node. jsnode. JS is a back-end JavaScript runtime environment (supported systems include *nux, Windows), which means you can write system-level or server-side JavaScript code.node. js is lightweight and efficient with event-driven, non-blocking I/O models, making it ideal for running data-intensive real-time applications on distributed devices.Two exam

This article mainly introduces the information shared by LDAP query instances under node. js. For more information, see: Obtain uid = kxh user data from an LDAP Server LDAP address: ldap: // 10.233.21.116: 389 In the project root directory, first npm an LDAP access library ldpajs Npm install ldapjs In the project root directory, create an app. js Var ldap = req

Node. js crawls Douban data and node. js crawls Douban data. I have always thought that my vue is okay, and I have always thought that my webpack is okay. Today, when I visited node in MOOC, I found that I am still far away. As we all know, vue-cli is based on webpack, while

This article mainly introduces the method and code for starting the script file of node. js at startup. here, I will share it with you. if you need it, refer to it. The code is as follows: #! /Bin/bash### BEGIN INIT INFO# Provides: xiyoulib# Required-Start: $ all# Required-Stop: $ all# Default-Start: 2 3 4 5# Default-Stop: 0 1 6# Short-Description: Start daemon at boot time# Description: Enable service pr

This article mainly introduces Node. for details about js file operations, this article describes how to process file paths and how to use and introduce the fs module in detail. For details, refer to a set of data flow APIs on Node, it is convenient to process files like network streams, but it only allows sequential processing of files and does not allow random