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- Steps to develop website with nodeJS
- In today's Internet age, website development has become increasingly important. With the popularity of mobile devices and the development of HTML, the technology for developing websites is also constantly improving and changing. As a JavaScript running environment, Node.js has gradually become the preferred technology for website development because of its high efficiency, lightweight, and cross-platform characteristics. This article will introduce the steps of website development based on Node.js. 1. Learn Node.js Node.js is a server-side running language, so we must first learn its basic knowledge. Can be obtained through official
- Front-end Q&A . nodejs 987 2023-05-16 21:34:07
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- nodejs implements 3des encryption and decryption
- Node.js is a JavaScript runtime environment based on the Chrome V8 engine, which is ideal for building high-performance web applications. 3DES (Triple Data Encryption Standard) is a commonly used symmetric encryption algorithm that is widely used in data transmission and storage. In this article, we will introduce how to implement 3DES encryption and decryption using Node.js. 1. Install the necessary dependencies First, we need to install a local file called
- Front-end Q&A . nodejs 1079 2023-05-16 21:26:37
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- nodejs http request timeout
- Node.js is an open source JavaScript runtime that enables building efficient web applications on the server side. It provides a lightweight and efficient way to handle HTTP requests and responses. But sometimes we find that a "request timeout" error message appears when making an HTTP request. This may occur in an environment where the network connection is not stable enough, or the server response is too slow. This article will discuss how to solve the problem of HTTP request timeout in Node.js. 1. HTTP requests in Node.js in Node
- Front-end Q&A . nodejs 2054 2023-05-16 21:21:06
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- Is nodejs mainstream?
- In today's software development field, Node.js is getting more and more attention. However, it can be difficult for beginners to understand the pros and cons of Node.js and whether it can truly become a mainstream technology. This article will introduce Node.js, analyze its advantages and disadvantages, and discuss the possibility of it becoming a mainstream technology. 1. Overview of Node.js Node.js is a JavaScript running environment that runs on the server side. Node.js was originally created in 200 by Ryan Dahl
- Front-end Q&A . nodejs 535 2023-05-16 21:17:40
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- nodejs or php
- In recent years, with the development of the Internet industry, front-end and back-end technologies have received more and more attention. Among them, Node.js and PHP are controversial as the two main back-end technologies. Which technology is better? This article will conduct a comparative analysis of these two technologies to help you make a better choice. 1. Node.js Node.js is a server-side JavaScript running environment that uses Google's V8 engine to run JavaScript code. It is lightweight, efficient, and easy to deploy, and is suitable for real-time applications and
- Front-end Q&A . nodejs 832 2023-05-16 21:16:36
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- nodejs builds webpack
- With the rapid development of front-end technology, front-end development tools are becoming more and more complex. One of the important tools is webpack, which is an efficient module packaging tool that allows developers to manage modules more easily during development. This article will focus on how to use nodejs to build webpack. 1. Preliminary understanding of nodejs and webpack Before introducing how to use nodejs to build webpack, let us first understand what nodejs and webpack are. 1.1 What is nodej
- Front-end Q&A . nodejs 1146 2023-05-16 20:41:37
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- nodejs outputs Chinese garbled characters
- Node.js is a JavaScript runtime based on the Chrome V8 engine. One of its advantages is the ease with which JavaScript can be used to build server-side applications, making it a popular choice for building web applications. However, when using Node.js to output Chinese characters, you sometimes encounter the problem of garbled characters. There are many reasons why Node.js outputs Chinese garbled characters. Below we will list some possible reasons and solutions. 1.
- Front-end Q&A . nodejs 1857 2023-05-16 20:39:09
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- docker never exits container
- There are several ways to keep a Docker container running without exiting. In this article, we'll cover some commonly used methods and their pros and cons. ## Method 1: Use the --restart option. Docker provides an option `--restart` to automatically restart the container when the container exits abnormally. There are three optional values, namely `no`, `on-failure` and `always`, which respectively correspond to no restart, restart on abnormal exit and always restart. Specific examples
- Docker . nodejs 2412 2023-05-16 20:35:36
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- Can nodejs implement instant messaging?
- Node.js is an event-driven asynchronous library, making it ideal for building real-time applications such as instant messaging. In traditional web applications, data transmission is usually based on the HTTP protocol. But the HTTP protocol is a request-response protocol, which means that the client must send a new request every time it wants to get new data from the server. This will cause a certain delay, which is not ideal for applications that require immediate response. To solve the above problems, it is recommended to use the WebSocket protocol. WebSocket is H
- Front-end Q&A . nodejs 561 2023-05-16 20:34:35
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- How to send data in real time in nodejs
- With the development of modern web applications, the demand for real-time data is getting higher and higher. Node.js is a JavaScript backend framework based on the V8 engine, which provides an efficient and stable platform for processing real-time data. In Node.js, there are several technologies used to achieve real-time data transfer. Several of them will be introduced below. 1. WebSocket WebSocket is a protocol that provides a two-way communication channel to transmit real-time data between the client and the server. Unlike HTTP, Web
- Front-end Q&A . nodejs 698 2023-05-16 20:29:36
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- nodejs query database defense
- Methods to Stop SQL Injection With the rapid development of the Internet, data interaction among applications has become more and more frequent, the use of databases has become more and more important, and SQL injection attacks have become more and more rampant. SQL injection means that hackers inject malicious code into the SQL statements of the application. When the data is passed into the database, the malicious code can be executed, causing the database data to be leaked or tampered with, greatly damaging the security of the system. In order to prevent SQL injection, Node.js also needs to take corresponding precautions when connecting to the database. This article will introduce several common
- Front-end Q&A . nodejs 526 2023-05-16 19:41:36
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- How to use nodejs
- Node.js is a JavaScript runtime environment that runs on the server side and is capable of parsing and executing JavaScript code. Node.js is easy to get started because JavaScript is one of the most popular programming languages in the world, and Node.js has huge community support and constantly updated documentation resources. This article explains how to install and use Node.js. ## Installing Node.js Installing Node.js is simple. First you need to go to
- Front-end Q&A . nodejs 874 2023-05-16 19:39:08
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- Nodejs is partially garbled
- In recent years, Node.js, as a lightweight server-side operating environment, has become more and more popular among developers. Due to its efficiency and flexibility, more and more enterprises and developers choose to use Node.js to build web applications. However, in the process of using Node.js, many developers have encountered the problem of partial garbled characters. In order to solve this problem, we will explore the reasons and solutions for the partial garbled characters of Node.js. 1. Reasons for some garbled characters in Node.js 1. Character encoding
- Front-end Q&A . nodejs 1149 2023-05-16 19:38:07
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- Nodejs renamed compilation error
- Recently, the Node.js community announced that the "v" letter will be removed from the existing version number naming rules, that is, from "v14.15.4" to "14.15.4". This change caused discomfort among some developers and some compilation errors. We need to think carefully about how to solve these problems. Node.js is a platform used by developers to write server-side JavaScript code. Node.js extends JavaScript from the browser side to the server side, allowing developers to write servers in JavaScript
- Front-end Q&A . nodejs 402 2023-05-16 19:09:36
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- Does the nodejs file exist?
- In Node.js, we often need to determine whether a file exists. This is a common requirement. For example, before reading a file, you need to determine whether the file exists. Otherwise, some unnecessary errors may occur. So, how to determine whether a file exists in Node.js? We can use the fs.access() method in the fs module to achieve this function. The fs.access() method is used to determine the permissions of a file or directory. If the file or directory exists, the callback function will not throw an error. code example
- Front-end Q&A . nodejs 635 2023-05-16 19:06:06
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