practical node js

This article mainly introduces node. js mongodb Operations Learning summary, this article provides mongodb to create a database, insert data, connect to the mongodb database and query data and other code instances, friends can refer to the next, preparation 1. Create a table to be read in mongodb Create a database named Test The Code is as follows: Use extension test; Insert data to the user table The C

Node. js public platform development tutorial, node. js public How can nodejs be used to develop public platforms? Let's not talk about anything more. First, let's briefly introduce the basic principles of the public platform. The server is equivalent to a forwarding server. A terminal (such as a mobile phone or tablet

This article mainly introduces node. http. response. end method usage instructions. This article introduces http. response. end method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: End the response and tell the client that all messages have been sent. When all the content to be returned is sent, the function must be called once. If you do not call this function, th

This article mainly introduces node. js + Ajax is used to obtain the data returned by the HTTP server. The explanation is very detailed and many examples are provided. It is a very good article. We recommend it to you here. Let's take a look at the sample code for retrieving HTTP server response data through AJAX requests on an HTML5 page. because we set the server port to 1337 and run the HTML5 page from t

This article mainly introduces Node. process. nextTick uses an instance. What is the use, use, and difference between the nextTick function and setTimeout? This article explains this knowledge, for more information, see where I can see process for the first time. nextTick is called. Oh, it should be seen in the official process document of nodejs. At that time, I didn't understand what this was doing. All of them already had setTimeout. What else shou

This article mainly introduces how to use Node. js to operate the mysql database for addition, deletion, modification, and query. If you need more information, please read the full text. The details are as follows: Install the mysql Module npm install mysql Database preparation The IP address of the machine where mysql server is located is 192.168.0.108. to log on to the account, use root @ 123456. Cre

By default, the transmission process of Nodejs read/write stream is transmitted in the form of buffer, unless you set other encoding formats for it. For details, refer. The stream in Node. js is very powerful. It provides support for processing potential large files and abstracts data processing and transmission in some scenarios. Because it is so easy to use, we often write some tool functions/libraries ba

6.1 Synchronous Methods vs. async methods/856.2 Read/write to File/86Full read/write of the 6.2.1 file/866.2.2 start reading/writing files from a specified location/916.3 Creating and Reading directories/976.3.1 Creating a Directory/976.3.2 Reading directory/986.4 Viewing and modifying a file or directory information/996.4.1 View information for a file or directory/996.4.2 checking whether a file or directory exists/1016.4.3 get the absolute path of a file or directory/1026.4.4 Modify file acces

', successHandler );}If (typeof errorHandler = 'function '){This. once ('error', errorHandler );}If (typeof progressHandler === 'function '){This. on ('process', progressHandler );}Return this;} // Define the latency object// Contains a state and a promise objectVar Deferred = function (){This. state = 'unfulfiled ';This. promise = new Promise ();}Deferred. prototype. resolve = function (obj ){This. state = 'fullfiled ';This. promise. emit ('success', obj );}Deferred. prototype. reject = functi

This article mainly introduces node. use socket in js. io method. For more information, see use socket. use io to create a socket. i/O 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 server to the http server. The Code is as follows: Var sio = require ("scoket. io ");Var socket = sio. listen (server ); Socket i

This article mainly introduces how to integrate node. js with the Baidu UE editor. For more information, see Abstract: I recently set up my own blog. I may not be able to write a blog for a while, but I still want to share some good things with you. Blog websites must have an editor for editing articles, so they checked some information online. The background of most Editors is based on java, php, asp, and

The following small series will provide you with a Node. js refresh session expiration time implementation method recommendation. I think it is quite good. now I will share it with you and give you a reference. Let's take a look at Node. js. we usually use the express-session package to use and manage sessions and save

This article mainly introduces how to integrate node. js with the Baidu UE editor. For more information, see Abstract: I recently set up my own blog. I may not be able to write a blog for a while, but I still want to share some good things with you. Blog websites must have an editor for editing articles, so they checked some information online. The background of most editors is based on java, php, asp, and

Simple implementation of node. js Image Upload and node. js Image Upload The examples in this article share the code for uploading node. js images for your reference. The details are as follows: 1.

Node. js implements port forwarding and node. js port forwarding This article shares the node. js port forwarding implementation code for your reference. The specific content is as follows: #!/sbin/

Command line arguments is often used to modify the behavior of a application or specify needed parameters for operation. In this lesson, you'll learn how to access the command line arguments passed to your node. JS application as well as dif Ferent strategies for evaluating and accessing them.To catch what arguement user passed on from command line, we can use 'process.argv '.If We log out:// Server.js Cons

Today is a good gas, recently hung up some interview after a slight loss of mood.God Horse is a cloud, to always do the world second.No more, you ask me why the mentality has changed. -------are feelings,.Well, I'm studying node recently.People ask, you have this level of node ...hahaha, so sad ....Don't mention it.God Horse modular God horse is not much to say, on a module.export and export differences, th

Node. js obtains data from the database and node. js database. In this article, we need to use node. js as a small function to obtain data from Sqlserver and display the data on the page. Here we will share with you:App.

This article mainly introduces. the Redis method is used in js applications, and the simplest data read/write operations are related. if you need it, please ensure that Redis and Node are installed before you start this article. js and Node. redis extension of js -- node_red

Great routine analysis of node. js Reading Notes, node. js Reading Notes This week, nodejs learned how to use several dependent packages and used all the examples in the book. This article takes the routine as a clue to review the work of the week. 1. connect This routine mainly uses the connect dependency package. con