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nodejs close server function

With the continuous development and application of Node.js technology, the applications of building web servers are becoming more and more widespread. During the development process, we often encounter a requirement: shut down the server. So how do you shut down the server accurately and gracefully in a Node.js application? This article will detail how to use Node.js to build an application that can shut down the server gracefully. 1. Starting and shutting down the Node.js server. In Node.js, starting the server is very simple. You only need to use the built-in http module to complete. For example: `

May 13, 2023 pm 08:07 PM

How to modify the port of nodejs

Node.js is a JavaScript running environment based on the Chrome V8 engine. It is a server-side framework with a non-blocking I/O model. In Node.js, we can create an HTTP server by listening to the specified port. Commonly used port numbers include 80, 443, 3000, etc. But sometimes we need to change the port number of Node.js to meet specific needs. This article will introduce how to modify the Node.js port number. 1. Create using Node.js using command line parameters

May 13, 2023 pm 07:55 PM

nodejs implements ddos

Note: This article is for technical research discussion only and does not encourage or support the use of DDoS attacks for illegal activities. DDoS (Distributed Denial of Service) attack is an attack method that uses a large amount of request traffic or connections to enter the target network or server, making the network or server unable to process its normal requests. In recent years, with the continuous development of cloud computing, big data, artificial intelligence and other technologies, more and more enterprises and organizations have adopted cloud, big data and other technologies to optimize business processes and improve operational efficiency. However, this also gives

May 13, 2023 pm 07:08 PM

nodejs is still garbled

Node.js is a very popular server-side JavaScript runtime environment. It has the advantages of being lightweight, efficient, and easy to expand. It is widely used in web applications, command line tools, Internet of Things and other fields. However, in some cases, It still encounters some problems, such as garbled characters. In this article, we will explore the causes and solutions to Node.js garbled issues. 1. Reasons for the garbled code problem 1. Inconsistent character encoding In Node.js, JavaScript strings are used by default

May 13, 2023 pm 07:05 PM

Install nodejs8 from source code

As a developer, Node.js is undoubtedly one of the technologies you need to master. It is a JavaScript-based runtime environment that allows you to run JavaScript code on the server side. As we all know, Node.js comes with a npm package management tool, but when you need to install a specific version of Node.js or customize the source code, manual compilation and installation become a necessary process. In this article, we will teach you how to install Node.js from source

May 13, 2023 pm 07:00 PM

Nodejs gets image rotation angle

With the popularity of mobile devices and cameras, we often need to process pictures through programs. Among them, image rotation is a very common requirement. In this article, we will introduce how to get the rotation angle of an image using Node.js. Preparations Before starting, you need to ensure that the Node.js environment has been installed and configured. In addition, we also need to install a Node.js module called "exif-parser", which can be used to read the Exif information of the image. Install "exif-par

May 13, 2023 pm 06:55 PM

Nodejs simulates request headers

In web development, request headers are a crucial part. Through request headers, various information can be transferred between the browser and the server, including user identity authentication information, browser configuration information, language preferences, etc. Therefore, it is necessary to master how to simulate request headers. This article will introduce several methods of using Node.js to simulate request headers. 1. Using the Http module Node.js has a built-in Http module, which we can use to create http requests. First, we need to create an http request object and set the request header information

May 13, 2023 pm 06:53 PM

Nodejs does not require a login verification code

With the development of the Internet, verification codes have become an important tool to ensure website security. Many websites require users to enter verification codes when performing sensitive operations, registration, login, etc. to prevent malicious programs and robot attacks and ensure the security and authenticity of the website. However, in some scenarios, in order to improve user experience and operational convenience, it is necessary to provide some verification code services that do not require login. At this time, Node.js, which JavaScript depends on, can exert its excellent features. Asynchronous architecture and Java for Node.js

May 13, 2023 pm 06:17 PM

Nodejs implements big data

With the rapid development of mobile Internet and the popularity of smart terminal devices, the era of big data has arrived. In this era, the collection and processing of large amounts of data has become an important task. Node.js is a runtime environment that allows developers to build highly scalable web applications using JavaScript. It is driven by Google's V8 engine and can run JavaScript code on the server side. It also provides a lightweight, efficient, event-driven programming framework that can easily take advantage of its features.

May 13, 2023 pm 06:06 PM

How to configure Nginx server for Node.js program

Node.js is a platform built on the Chrome JavaScript runtime, which is used to easily build web applications with fast response speed and easy expansion. Node.js uses an event-driven, non-blocking I/O model to be lightweight and efficient. It is very suitable for data-intensive real-time applications running on distributed devices, such as real-time chat and so on. However, gzip encoding, static files, http caching, SSL processing, load balancing and reverse proxy, etc., can all be completed through nginx, thereby reducing the load on node.js and saving website traffic through nginx's powerful cache. Improve website loading speed. The flow chart nginx configuration is as follows: http{proxy_

May 13, 2023 pm 05:25 PM

Node.js nginx

nodejs delete specified content of file

Node.js is currently the most popular server-side JavaScript running environment. It provides a series of powerful APIs and libraries that allow developers to easily handle files, networks, and other operations. In this article, we will learn how to delete specified content from a file using Node.js. To delete specified content in a file, we need to follow these steps: 1. Open the file and read its contents. 2. Use JavaScript string manipulation methods to find and delete specified content. 3. Write the modified content back to the file. Down

May 13, 2023 pm 05:15 PM

How to connect html to nodejs

With the rapid development of web applications in recent years, Node.js (a lightweight JavaScript runtime environment) has also been widely used to develop various server-side applications. HTML is the core language on the web, so how to connect HTML to the Node.js backend? This article will answer them one by one for you. In order to better understand the relationship between HTML and Node.js, you need to first understand how HTML works. HTML is the basic language for Web page design. It uses a large number of tags (tags) to

May 13, 2023 pm 05:10 PM

nodejs download and install Linux

Node.js is a JavaScript runtime based on the Chrome V8 engine, which allows the JavaScript runtime environment to be extended to the server side. It effectively solves the problem of inconsistency between front-end and back-end languages, allowing front-end developers to use JavaScript for full-stack development. This article will introduce how to download and install Node.js on a Linux system. ## Step 1: Install Node.js in order to install N on Linux

May 13, 2023 pm 04:30 PM

nodejs dynamically export multiple methods

In Node.js, a JavaScript module usually exports only one method or object. But in some cases, we may need to export multiple methods from the same module. In this case we can use dynamic export method. This article will introduce how to dynamically export multiple methods in Node.js. 1. What is dynamic export? Dynamic export refers to exposing members of a module to the outside as needed at runtime. This technique typically uses a factory function in the module's code, which returns an object that contains the module's public interface.

May 13, 2023 pm 04:21 PM

How to deploy a react project in nginx

Test item react-demo Clone your react-demo project to the server (by default, Github is used to manage our projects) If necessary, please install the project environment such as node.js, yarn, etc. Enter the project directory, execute npm to run the build, and start building the project. After a successful build, a dist folder will be generated (depending on your project configuration), and the static files in this folder will become the access files of our project. To configure Nginx, Linux server enter: /etc/nginx/sites-enabled, then as administrator, create a new configuration file for your react project such as react-demo.conf

May 13, 2023 pm 03:28 PM

React nginx