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- nodejs request encapsulation excuse
- With the popularity of front-end and back-end separation, front-end engineers increasingly need to interface with the back-end. During this process, many engineers found that there were many problems in directly using native XMLHttpRequest or fetch to make network requests. Therefore, many front-end teams now use third-party request libraries to make interface requests. Among them, the request request library developed by Node.js is also very popular. In this article, we will introduce how to use the request library of Node.js to
- Front-end Q&A . nodejs 715 2023-05-11 13:07:38
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- nodejs mkdir error report
- Recently, while using Node.js, I encountered a mkdir error problem. When I try to use the fs.mkdir() method to create a new directory, the system throws the following error message: ```Error: ENOENT: no such file or directory, mkdir 'path/to/new/directory'` ``The first thing I thought of was the path problem, so I checked whether the path was correct. As a result, I posted
- Front-end Q&A . nodejs 1250 2023-05-11 12:59:08
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- nodejs related query
- Node.js is a JavaScript runtime environment for building high-performance, high-concurrency, scalable, and reliable web applications. It is a very common requirement to perform database operations in Node.js, and query is one of the most commonly used functions in database operations. In actual development, multi-table related queries need to be frequently performed. This article will introduce how to implement multi-table related queries in Node.js. 1. Database connection. To perform database operations in Node.js, you need to use a third-party library. This article uses My
- Front-end Q&A . nodejs 664 2023-05-11 12:54:43
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- Install vue files using scaffolding
- As a front-end engineer, we will definitely use Vue.js frequently in development. When we need to create a new Vue.js project, the first thing we need to do is to install the Vue.js framework. This article will introduce in detail how to use scaffolding to install Vue files. 1. Introduction to scaffolding Before introducing how to use scaffolding to install Vue.js, we need to understand what scaffolding is. Scaffolding is a tool that can help us quickly build projects, reduce repetitive work, and improve work efficiency. In the front-end field, commonly used scaffolding is Vue Cli
- Front-end Q&A . nodejs 438 2023-05-11 12:52:38
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- Alibaba Cloud ecs installation nodejs
- Alibaba Cloud ecs is a very powerful cloud server, and Node.js is an event-driven asynchronous I/O framework. If you plan to build a Node.js application on Alibaba Cloud ecs, you have come to the right place. . In this article, we will introduce how to install Node.js on Alibaba Cloud ecs. Before starting, we assume that you have purchased Alibaba Cloud ECS and successfully logged in to the cloud server console. 1. Log in to the server First, you need to use the ssh client to log in to the server. if
- Front-end Q&A . nodejs 943 2023-05-11 12:30:07
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- nodejs post Chinese garbled code
- Node.js is a popular server-side JavaScript engine that is widely used in web development. However, when processing POST requests, Chinese characters often appear garbled, which may cause a series of problems. The reason for the problem is that in the HTTP protocol, the data entity part of the POST request is encoded through the encoding method specified by the Content-Type header. If the client sending the request and the server receiving the request use different encoding methods, Chinese characters will be garbled. So, solve
- Front-end Q&A . nodejs 547 2023-05-11 12:23:36
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- What environment is needed to execute the vue program?
- As Vue, a popular JavaScript framework, continues to gain popularity in web application development, many developers want to understand the environment required to execute Vue programs to ensure that their applications can run properly. In this article, we will take a closer look at the environment and tools required to execute Vue programs. Environment requirements for Vue Before executing a Vue program, you need to ensure that you have met the following requirements: 1. Node.jsNode.js is a JavaScript runtime environment, similar to Ja in the browser
- Front-end Q&A . nodejs 2504 2023-05-11 11:58:36
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- Where are the images in vue saved?
- Vue is a simple and easy-to-use JavaScript framework for building interactive web interfaces. In Vue, we can easily add image elements to make the user interface more vivid and interesting. However, when we need to save these images, we need to know where these images are saved. Vue is typically used with server-side languages such as PHP or Node.js, and the code that handles image saving tasks will be done in these server-side languages. When we upload or save an image in a Vue application, we usually need to send the image to
- Front-end Q&A . nodejs 1238 2023-05-11 11:55:08
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- vue project deployment upload
- Vue.js is one of the very popular JavaScript frameworks used by developers to build interactive web applications. If you have successfully built a Vue.js project and now want to upload it to the server for deployment, this article will show you how to do it. Step 1: Confirm Web Server Environment Before uploading and deploying your Vue.js application, you need to check that your web server environment is ready to handle and run it. Make sure your web server has Node.js installed and
- Front-end Q&A . nodejs 550 2023-05-11 11:54:07
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- What technology is used in vue development?
- In the field of front-end development, Vue.js is a highly respected framework. Vue.js is characterized by its ease of use and rich ecosystem, especially when it comes to building single-page applications (SPA). During the development process of Vue.js, some technologies need to be used to improve development efficiency, which will be introduced in detail below. 1. ES6Vue.js can be used well with ES6. The new features of ES6 make Vue code easier to read and write. ES6 new operators, changes in declaration methods such as var let, template characters
- Front-end Q&A . nodejs 1239 2023-05-11 11:02:37
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- How to draw cards in vue
- With the continuous advancement of modern development, there are many choices for front-end development frameworks. Among them, Vue.js, as one of the advanced JavaScript frameworks, has been widely used. Vue.js is easy to learn, efficient, and flexible. It can quickly establish a structure during project development, effectively improving development efficiency. In the development of Vue.js, drawing cards is a very common requirement. Cards are a commonly used web layout and can be used to display a wide variety of content. In this article, I
- Front-end Q&A . nodejs 613 2023-05-11 09:10:06
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- Is golang better or nodejs?
- Among the many programming languages, Go (Golang) and Node.js are two very popular ones. They are all open source, integrate new web technologies and language features, and are widely used for building high-performance web applications and server-side development. However, choosing between the two is also a common dilemma. So, which one is better, Golang or Node.js? First, let’s talk about the advantages of Golang. Go is a programming language developed by Google that is designed for efficient network programming. G
- Golang . nodejs 1607 2023-05-10 10:55:06
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- How to import javaScript files
- With the development of web applications, JavaScript plays an increasingly important role in front-end development. When we start building a web application, we need to import JavaScript files to implement the front-end logic of the web application. In this article, we will discuss how to import JavaScript files and use them in web applications. What is a JavaScript file? A JavaScript file is a text file that contains JavaScript code for the front-end logic of a web application.
- Front-end Q&A . nodejs 2722 2023-05-10 10:03:38
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- How to compile and run javascript in notepad
- Notepad is a classic text editor that is very popular among developers due to its convenience and ease of use. JavaScript is a widely used programming language used to add dynamics and interactivity to web pages. Therefore, if you want to edit JavaScript code in Notepad, you need to know how to compile and run JavaScript. In this article, we will discuss in detail how to compile and run JavaScript code in Notepad. Step 1: Create JavaScript
- Front-end Q&A . nodejs 1084 2023-05-10 09:05:07
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- How to crawl javascript script
- JavaScript script crawlers are one of the most common crawling methods on the Internet. By executing JavaScript scripts, crawlers can automatically crawl, process and store data on the target website. This article will introduce the principles, steps, and some practical techniques and tools of JavaScript script crawlers. 1. Principle of JavaScript script crawler Before introducing the principle of JavaScript script crawler, let’s first understand JavaScript. JavaScript is a scripting language,
- Front-end Q&A . nodejs 1348 2023-05-09 22:21:06
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