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- Data backup and recovery using React Query and database
- Using ReactQuery and database to achieve data backup and recovery In modern application development, data backup and recovery is one of the very important functions. By backing up data, we can easily restore data and protect user information security in the event of unexpected failure or data loss. In this article, we will introduce how to use ReactQuery and database to implement data backup and recovery functions, and provide specific code examples. ReactQuery is a tool for managing
- JS Tutorial . express 1353 2023-09-27 12:51:29
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- How to build a scalable API interface with React and GraphQL
- How to build scalable API interfaces with React and GraphQL As the complexity of web applications continues to increase, building scalable API interfaces has become increasingly important. React and GraphQL are two popular technologies that help us build efficient, flexible and scalable APIs. In this article, we will explore how to use React and GraphQL to build scalable API interfaces, and give specific code examples. React is a Java for building user interfaces
- JS Tutorial . express 1403 2023-09-27 10:40:44
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- Learn advanced charting techniques using Python in one hour
- Learn the advanced techniques of using Python to draw charts in one hour. Specific code examples are required. Introduction: Charts play a vital role in data visualization. Python, as a powerful, easy-to-learn and easy-to-use programming language, provides a variety of chart drawings. tools and libraries. This article will introduce some advanced techniques for drawing charts in Python to help readers get started quickly. 1. Matplotlib library Matplotlib is one of the most commonly used drawing libraries in Python. It provides a wealth of drawing functions and tools.
- Python Tutorial . express 1315 2023-09-27 09:57:10
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- How to build scalable big data applications with React and Hadoop
- How to build scalable big data applications using React and Hadoop Big data applications have become a common need in all walks of life. Hadoop is one of the most popular tools when it comes to processing massive amounts of data. React is a popular JavaScript library for building modern user interfaces. This article will introduce how to build scalable big data applications by combining React and Hadoop, with specific code examples. To build a React front-end application, first, use create-reac
- JS Tutorial . express 792 2023-09-27 09:09:11
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- How to implement the single-choice question function in online answering questions
- How to implement the single-choice question function in online answering questions Single-choice questions are a common type of question in online answering systems. Users can choose a correct answer from multiple options. In this article, we will introduce in detail how to implement the multiple-choice question function in online answering questions and provide specific code examples. 1. Front-end design HTML structure In HTML, we can use radio buttons to implement single-choice question options. The following is a simple HTML structure example:<div><h3>Multiple choice question 1
- PHP Tutorial . express 1206 2023-09-26 20:10:02
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- How to build a real-time chat app with React and WebSocket
- How to build a real-time chat application using React and WebSocket Introduction: With the rapid development of the Internet, real-time communication has attracted more and more attention. Live chat apps have become an integral part of modern social and work life. This article will introduce how to build a simple real-time chat application using React and WebSocket, and provide specific code examples. 1. Technical preparation Before starting to build a real-time chat application, we need to prepare the following technologies and tools: React: one for building
- JS Tutorial . express 1214 2023-09-26 19:46:43
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- How to realize the real-time statistics and analysis function of answering questions in online answering
- How to implement real-time statistics and analysis of answering questions in online answering requires specific code examples. With the development of online education, more and more schools and institutions have begun to use online answering systems for examinations and tests. In the traditional paper-and-pencil examination scheme, it is impossible to obtain real-time answering status and analysis data, but the online answering system can provide teachers with such functions. This article will introduce how to write code to implement real-time statistics and analysis of answer results in online answer questions. First, we need to build a basic online question answering platform. Can make
- PHP Tutorial . express 1506 2023-09-26 18:36:01
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- Data versioning using React Query and a database
- Using ReactQuery and the database to implement data version control As the complexity of front-end applications continues to increase, data version control is becoming more and more important. When multiple people collaborate or multiple terminals use the same application, it is crucial to ensure data consistency and accuracy. In this article, we will introduce how to implement data versioning using ReactQuery and a database, and provide specific code examples. ReactQuery is a powerful data management library that allows us to easily
- JS Tutorial . express 1131 2023-09-26 18:18:11
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- How to use NGINX and PM2 to optimize load balancing of VPS servers
- How to use NGINX and PM2 to optimize load balancing of VPS servers Introduction: In modern web applications, load balancing is a very critical technology. It can improve application scalability and reliability by spreading traffic across multiple servers. In this article, we will introduce how to use NGINX and PM2 to optimize the load balancing of VPS servers. We'll explain each step in detail with specific code examples. Step 1: Install NGINX First, we need to install NGINX, which is
- Nginx . express 817 2023-09-26 18:17:07
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- Teach you how to use NGINX and PM2 to deploy Node.js applications on VPS servers
- Teach you how to use NGINX and PM2 to deploy Node.js applications on VPS servers. Today I will introduce to you how to use NGINX and PM2 to deploy Node.js applications on VPS servers. Node.js is a very popular back-end development framework, while NGINX is a high-performance reverse proxy server and PM2 is a powerful process manager. By using these three tools together, we can achieve efficient and stable server deployment. Make sure you have Node.js installed
- Nginx . express 1295 2023-09-26 17:54:41
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- How to build high-performance full-stack applications using React and Node.js
- How to use React and Node.js to build high-performance full-stack applications Introduction: With the development of web applications, building high-performance full-stack applications has become more and more important. React and Node.js, as popular front-end and back-end technologies, are widely used in full-stack development. This article will introduce how to use React and Node.js to build high-performance full-stack applications and provide specific code examples. 1. Build a basic project framework and create a project directory: First, we need to create a project directory and initialize a new
- JS Tutorial . express 771 2023-09-26 17:40:52
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- Optimizing concurrent performance tuning of database queries in React Query
- ReactQuery is a library for data management and state management, which can help us optimize the concurrency performance of database queries in React applications. Improving concurrency performance is crucial to improving application response speed and user experience. This article will introduce how to use ReactQuery to perform concurrent performance tuning of database queries and provide code examples. Before we begin, we first need to install ReactQuery. You can use npm or yarn for installation.
- JS Tutorial . express 1232 2023-09-26 16:52:44
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- NGINX PM2 VPS: Build a highly reliable web application server cluster
- NGINXPM2VPS: Building a highly reliable Web application server cluster requires specific code examples. With the rapid development of the Internet and the increasing user needs, building a highly reliable Web application server cluster has become the top priority for many enterprises and developers. In this article, we will introduce how to use NGINX, PM2 and VPS (VirtualPrivateServer) to build a highly reliable web application server cluster, and provide specific code examples.
- Nginx . express 1352 2023-09-26 16:15:50
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- Build a safe and reliable container service: Use Nginx Proxy Manager to achieve traffic isolation
- Build safe and reliable container services: Use NginxProxyManager to achieve traffic isolation. With the continuous development of cloud computing and containerization technology, more and more enterprises and developers are beginning to use containers to host and manage their applications. In order to ensure the safety and reliability of container services, traffic isolation is an indispensable link. This article will introduce how to use NginxProxyManager (hereinafter referred to as NPM) to build a safe and reliable container service, and provide specific code examples. NP
- Nginx . express 950 2023-09-26 16:00:43
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- How to build a full-stack JavaScript application using React and Express
- How to use React and Express to build a full-stack JavaScript application Introduction: React and Express are currently very popular JavaScript frameworks. They are used to build front-end and back-end applications respectively. This article will introduce how to use React and Express to build a full-stack JavaScript application. We will explain step by step how to build a simple TodoList application and provide specific code examples. 1. Preparation before starting
- JS Tutorial . express 1387 2023-09-26 13:09:03
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