Le HTML5 a permis l’introduction d’API donnant accès aux composants matériels des appareils, y compris de l’API MediaDevices. Cette API permet d’accéder à des périphériques d’entrée média comme l’audio et la vidéo. Dans ce tutoriel, vous verrez comment accéder aux flux vidéo des caméras de l’appareil d’un utilisateur.
Learn how to add a simple pagination system to a Gatsby site using the gatsby-awesome-pagination plugin.
Want to build fast and efficient frontends? Explore why so many developers and teams love Vue.js and choose it over React.
Der Autor wählte den Free and Open Source Fund, um eine Spende im Rahmen des Programms Write for DOnations zu erhalten. Discord ist eine Chat-Anwendung, die Millionen von…
Rate limiting manages your network’s traffic and limits the number of times someone repeats an operation in a given duration, such as using an API. A service without a layer of security against rate limit abuse is prone to overload and hampers your application’s proper operation for legitimate customers. In this tutorial, you will build a Node.js project deployed on the cloud provider’s App Platform that protects a Cloudflare routed domain with rate limiting.
Um método para lidar com grandes conjuntos de dados no modo de exibição é utilizando a técnica de rolagem infinita — onde mais dados vão sendo carregados à medida que o usuário continua rolando a página próximo ao fim dela. Essa é a técnica usada na exibição de resultados no Google Imagens. Neste tutorial, veremos como construir um componente de paginação personalizada com o React para paginar grandes conjuntos de dados. Construiremos uma visualização paginada sobre os países no mundo.
L’auteur a choisi le Open Internet/Free Speech Fund pour recevoir un don dans le cadre du programme Write for DOnations. Dans Node.js, un module est une collection de fonctions et…
Custom components are independent pieces of functionality that you can reuse in your code, and are the building blocks of all applications built on the React framework. Often, they can be simple JavaScript functions and classes, but you use them as if they were customized HTML elements. Buttons, menus, and any other front-end page content can all be created as components. In this tutorial, you’ll build your own custom component, and use this distinction to organize your project’s file structure.
In this tutorial, you’ll create wrapper components with props using the React JavaScript library. Wrapper components are components that provide a default structure to display the child components. This pattern is useful for creating user interface (UI) elements that are used repeatedly throughout a design, like modals, template pages, and information tiles. You’ll use the rest and spread operators to collect unused props to pass down to nested components.
In this tutorial, you’ll deploy an Express application to an app platform and then scale it by adding caching with the MemCachier Add-On. You’ll build a sample Express app and implement several caching strategies. You’ll push your app’s code to GitHub and deploy it on App Platform. By the end of this tutorial, you’ll be able to deploy an Express application to App Platform, implementing techniques for caching resource-intensive computations, rendered views, and sessions.
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