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- How to generate mp4 files in nodejs
- Node.js is a very popular backend development language that is very powerful in web application development. If you want to use Node.js to generate mp4 files, in this article we will show you how to generate mp4 files using Node.js and FFmpeg. FFmpeg is an open source, cross-platform audio and video processing tool that can realize multiple functions such as audio and video recording, transcoding, editing and merging. In this tutorial we will use Node.js to call FFmp
- Front-end Q&A 903 2023-05-27 21:02:37
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- vue error export
- Vue.js is a popular JavaScript framework for building modern single-page applications (SPAs) and interactive web interfaces. However, you may encounter some errors and issues while developing web applications using Vue.js. One of the possible problems is "export" error. "Export" error is one of the common errors in Vue.js. This error will typically appear in the console as an error message similar to: Uncaught SyntaxError
- Front-end Q&A 1924 2023-05-27 21:02:06
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- nodejs login page jump page jump page jump
- With the rapid development of Internet technology, the number of users of websites and applications is also increasing. In order to better manage and maintain applications, many developers choose to use Node.js as the back-end technology. In Node.js, the login page is one of the important parts of the application. In this article, we will explore how to implement login pages and page jumps using Node.js. 1. Create a login page In Node.js, we can easily create a login page through the HTTP module and Express framework. First, you need to install the
- Front-end Q&A 1676 2023-05-27 21:00:53
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- What is the routing of .nodejs
- Node.js is an open source, cross-platform JavaScript runtime environment that allows developers to write applications using JavaScript on the server side. In Node.js, routing is a very important concept that helps in mapping requests to the corresponding handlers to provide the correct response to the web application. Router is a URL parser. It matches the URL requested by the client against the application's routing table to determine which handler will handle the request. When a client request reaches the web server,
- Front-end Q&A 567 2023-05-27 20:53:06
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- ubuntu install nodejs npm
- Installing Node.js and npm on an Ubuntu system is very simple. This article details how to install Node.js and npm on an Ubuntu system. Step 1: Update the package list First, before installing any new software, we should update the package list of the Ubuntu system to ensure that the software we install is the latest version. Run the following command in the terminal: sudo apt update When prompted, enter your password and press Enter to confirm. step
- Front-end Q&A 1752 2023-05-27 20:47:05
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- How to kill the child process based on its name in nodejs
- Node.js is a JavaScript runtime environment based on event-driven, asynchronous I/O, which can easily build high-performance, scalable network applications. Node.js also provides a subprocess management API, making it easy to execute command line programs or other Node.js scripts. When we use Node.js's subprocess API to execute a command, sometimes we may need to kill the process while it is running. Normally, we can use the child process object to send a signal from outside to stop the process, but if
- Front-end Q&A 914 2023-05-27 20:44:39
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- How to download files in nodejs
- In Node.js, files can be downloaded using the node-fetch and fs modules. Here's how to use these two modules to download files. First you need to install the node-fetch and fs modules. You can use the npm command to install: ```npm install node-fetch fs```. After the installation is complete, you can use these two modules. ## Downloading files The process of downloading files can be divided into several steps: 1. Send an HTTP request to obtain the file data 2. Write the data to the file. The following is
- Front-end Q&A 1441 2023-05-27 20:43:05
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- Delete installation package command in nodejs
- When developing with Node.js, we often need to install various third-party modules to help us complete some tasks. But as the project progresses, we may need to delete some modules that are no longer needed to free up space or avoid conflicts. So, how to delete installed packages in node.js? This article will answer it for you. ## npm command Node.js's package management tool npm provides commands to delete installation packages. Below we introduce in detail how to use the npm command to delete the installation package. ### Uninstall global package
- Front-end Q&A 2134 2023-05-27 20:42:08
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- Nodejs solves 413 error
- When developing web applications using Node.js, you may encounter situations where you have to deal with large file uploads. However, when the uploaded file is too large, you may encounter an HTTP 413 Request Entity Too Large error. This is because Node.js has a request body size limit of 100KB by default. When the request entity size exceeds this limit, an HTTP 413 error occurs. To solve this problem, there are several methods available. 1. One solution to modify the request body limit is to modify the default request body size
- Front-end Q&A 1006 2023-05-27 20:41:36
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- Which nodejs template engine is better?
- With the popularity of Node.js and the increase in application scenarios, front-end developers need to use various tools to speed up development efficiency and improve development quality. The most basic of them is the template engine, which can combine data or variables with HTML templates and output a final HTML document. In the Node.js ecosystem, there are many excellent template engines to choose from. This article will compare several commonly used Node.js template engines, as well as their characteristics and applicable scenarios, to help you choose the most suitable template engine for you. 1. ejsejs is a
- Front-end Q&A 1157 2023-05-27 20:39:36
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- What is the latest nodejs version?
- The latest Node.js is version v16.13.0. Node.js is a JavaScript runtime environment based on the Chrome V8 engine that supports cross-platform running of JavaScript code. Node.js provides a set of APIs that allow developers to use the JavaScript language for server-side programming, network programming, and file system processing. Node.js is more than just a language, it’s an ecosystem with a huge developer community
- Front-end Q&A 1490 2023-05-27 20:38:07
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- How to jump directory in nodejs
- There are multiple ways to jump to a directory in Node.js. Several common methods will be introduced below. ### 1. Use process.chdir() In Node.js, you can use the process.chdir() method to jump to the directory. The purpose of this method is to modify the current working directory of the Node.js process. Sample code: ```javascriptprocess.chdir('/Users/username/Doc
- Front-end Q&A 914 2023-05-27 20:35:36
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- Manually delete nodejs
- Manually remove Node.js Node.js is a popular server-side runtime environment that enables JavaScript to run on the server side, enriching the possibilities of web development. The installation and upgrade of Node.js often require a specific installer, but sometimes manual removal of Node.js is necessary, which may be due to the following reasons: 1. An error occurs or is not completely successful when upgrading Node.js; 2. Node is installed .js but you no longer need it; 3. You want to install a different version of Node.js,
- Front-end Q&A 548 2023-05-27 20:34:06
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- Mac installation nodejs tutorial
- If you are using a Mac computer for front-end development, then you definitely need to install Node.js. Node.js allows you to run JavaScript in your local development environment and is also great for automating tasks and packaging projects during development. Next, we will introduce you to how to install Node.js on Mac. 1. Install Homebrew Homebrew is a very popular Mac resource manager that can help you install and manage software packages. you can make
- Front-end Q&A 2010 2023-05-27 20:28:36
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- nodejs does not use a database
- Node.js is a back-end JavaScript runtime environment that can be easily integrated with other technology stacks through Node.js's built-in modules and the community's module manager. One of the most commonly used technology stacks is to store and manage data through databases. But in some cases, we may not want to use a database for data processing and storage, and data storage and management can be achieved in other ways. This article will introduce some ways to use Node.js without using a database. 1. Using JS
- Front-end Q&A 694 2023-05-27 20:24:07
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