À propos En tant que moteur d'exécution JavaScript asynchrone piloté par les événements, Node.js est conçu pour construire des applications réseau évolutives. des applications réseau évolutives. Dans l'exemple suivant, "hello world", de nombreuses peuvent être gérées simultanément. À chaque connexion, le rappel est mais s'il n'y a pas de travail à faire, Node.js se met en veille. Ceci contraste avec le modèle de concurrence plus commun dans lequel les processus sytème sont utilisés. La gestion réseau basée sur les processus est relativement inefficace et difficile à utiliser. De plus, les utilisateurs de Node.js n'ont pas à se soucier des problèmes d'interblocage des processus puisqu'il n'y a pas de verrouillage. Si une partie des termes utilisés ne vous sont pas familliers, voici un article complet (en anglais) Bloquant vs Non-Bloquant. Node.js est conçu de manière similaire et influencé par des librairies comme Event Machine (en) pour Ruby et Twisted (en) pour Python.
Visual formatting model 9.1 Introduction to the visual formatting model This chapter and the next describe the visual formatting model: how user agents process the document tree for visual media. In the visual formatting model, each element in the document tree generates zero or more boxes according to the box model. box dimensions and type. positioning scheme (normal flow, float, and absolute positioning). relationships between elements in the document tree.external information (e.g., viewport size, intrinsic dimensions of images, etc.). The properties defined in this chapter and the next apply to both continuous media and paged media. The visual formatting model does not specify all aspects of formatting (e.g., it does not specify a letter-spacing algorithm). 9.1.1 The viewport User agents for continuous media generally offer users a viewport (a window or other viewing area on the screen) through which users consult a document. 9.1.2 Containing blocks containing block . 9.2 Controlling box generation block boxes <! An
How Did We Get Here? You are here: Home Dive Into HTML5 Diving In Recently, I stumbled across a quote from a Mozilla developer about the tension inherent in creating standards: Implementations and specifications have to do a delicate dance together. Keep this quote in the back of your mind, and let me explain how HTML5 came to be. MIME types This book is about HTML5, not previous versions of HTML, and not any version of XHTML. Every time your web browser requests a page, the web server sends “headers” before it sends the actual page markup. Content-Type: text/html “text/html” is called the “content type” or “MIME type” of the page. Of course, reality is more complicated than that. Tuck that under your hat. A long digression into how standards are made Why do we have an <img> element? One of the great things about standards that are developed “out in the open” is that you can go back in time and answer these kinds of questions. (There are a number of typographical errors in the following quotes. Tony continued:
styled-components Plate-forme Instagram Instagram Graph API The Instagram Graph API allows users of your app to access data in their Instagram Business and Instagram Creator accounts. The API can be used to get and publish their media, manage and reply to comments on their media, identify media where they have been @mentioned by other Instagram users, find hashtagged media, and get basic metadata and metrics about other Instagram Businesses and Creators. Instagram Basic Display API The Instagram Basic Display API allows users of your app to get basic profile information, photos, and videos in their Instagram accounts. Instagram Messaging Messenger API support for Instagram (also known as Instagram Messaging API in our Developer Policies) allows Instagram Professional accounts to use your app to manage their Instagram messages. Sharing to Stories With Sharing to Stories, you can allow users of your app to share their content as Instagram stories. Sharing to Feed Embedding Embed Instagram photo and video posts in other websites.
Embeds Languages: English • Français • Hrvatski • Italiano • 日本語 Nederlands • Português do Brasil • Русский • 中文(简体) • 한국어 • (Add your language) It's super easy to embed videos, images, tweets, audio, and other content into your WordPress site. This feature was added in WordPress 2.9 [1] Usage To embed a video or another object into a post or page, place its URL into the content area. For example: Check out this cool video: WordPress will automatically turn the URL into a YouTube embed and provide a live preview in the visual editor. Another option is to wrap the URL in the [embed] Shortcode. [embed width="123" height="456"] If WordPress fails to embed the URL, the post will contain a hyperlink to the URL. oEmbed The easy embedding feature is mostly powered by oEmbed, a protocol for site A (such as your blog) to ask site B (such as YouTube) for the HTML needed to embed content from site B. Does This Work With Any URL? No, not by default. Notes
Chapter 6, The Design Process The Traditional Design Process Before delving into design principles for the web, let's look at the traditional design process which I was taught in school–still the standard in use today by the graphic design industry. The Traditional Design Process 1. The brief is comprised of a couple of documents: The client brief is what the client gives you. The creative brief is a document produced by a designer in response to the client brief. It may involve deciding where on a page to place an element, (such as a heading or image), how much emphasis should be given to that element, and how to emphasise it. 2. Research is vital to the success of any design solution. Insights to help generate ideas for the design. Designers don't need to be involved in the actual research, but they do need access to the results. 3. The designers get to work. 4. The designers then spend time amending the design to reflect the changes or problems highlighted by the client–sometimes endlessly. 5. 1. 2. 3. 4. Lo Fi
Styled-Components In React: A Quick Start Guide August 09, 2020 This is a quick start guide to learning Styled Components, the component-driven CSS methodology used in React. If you want to start practicing and applying Styled Components to your projects, this guide will help you get started. Ready? Contents: Styled Components Overview Styled Components is a library for React & React Native to write and manage your CSS. It’s a “CSS-in-JS” solution, meaning you write your CSS in Javascript files (specifically within your components, which are Javascript files). It’s an extremely popular solution for managing CSS in React, with around 8 million npm downloads/month and 30k stars in Github. A familiarity and understanding of React is recommended before diving into Styled Components. A few benefits of the styled-components library are: It’s plain CSS. Installing styled-components To get started with styled-components, you first need to install it into your project: npm install styled-components import styled from 'styled-components'; And that’s it!
Print.js - Javascript library for HTML elements, PDF and image files printing. Attribute selectors SummaryEdit Attribute selectors select an element using the presence of a given attribute or attribute value. [attr] Represents an element with an attribute name of attr. [attr=value] Represents an element with an attribute name of attr and whose value is exactly "value". [attr~=value] Represents an element with an attribute name of attr whose value is a whitespace-separated list of words, one of which is exactly "value". [attr|=value] Represents an element with an attribute name of attr. [attr^=value] Represents an element with an attribute name of attr and whose first value is prefixed by "value". [attr$=value] Represents an element with an attribute name of attr and whose last value is suffixed by "value". [attr*=value] Represents an element with an attribute name of attr and whose value contains at least one occurrence of string "value" as substring. [attr operator value i] ExampleEdit SpecificationsEdit Browser compatibilityEdit See alsoEdit Document Tags and Contributors Thanks!
How jQuery Works | Learn jQuery This is a basic tutorial, designed to help you get started using jQuery. If you don't have a test page setup yet, start by creating the following HTML page: The src attribute in the <script> element must point to a copy of jQuery. To ensure that their code runs after the browser finishes loading the document, many JavaScript programmers wrap their code in an onload function: Unfortunately, the code doesn't run until all images are finished downloading, including banner ads. For example, inside the ready event, you can add a click handler to the link: Save your HTML file and reload the test page in your browser. For click and most other events, you can prevent the default behavior by calling event.preventDefault() in the event handler: The following example illustrates the click handling code discussed above, embedded directly in the HTML <body>. Another common task is adding or removing a class. First, add some style information into the <head> of the document, like this:
font-picker-react A simple, customizable font picker allowing users to preview, select and use Google Fonts on your website. Simple setupNo dependenciesAutomatic font download and generation of the required CSS selectorsEfficient font previews (full fonts are only downloaded on selection) → Demo This is the React component for the Font Picker library. Getting started To be able to access the API, you'll need to generate a Google Fonts API key. 1. Install the font-picker-react package using NPM: npm install font-picker-react 2. Add the FontPicker component to your React code: import React Component from "react"; import FontPicker from "font-picker-react"; thisstate = activeFontFamily: "Open Sans" return <FontPicker <p ="apply-font">The font will be applied to this text</p> 3. Add the class "apply-font" to all JSX elements you want to apply the selected font to. When the user selects a font, it will automatically be downloaded and applied to all elements with the "apply-font" class. Props Development
Firebase Realtime Database plat_ios plat_android plat_web plat_flutter plat_cpp plat_unity Stockez et synchronisez les données avec notre base de données cloud NoSQL. Les données sont synchronisées sur tous les clients en temps réel et restent disponibles lorsque votre application est hors ligne. Base de données en temps réel Capacités clés Comment ça marche? La base de données Firebase Realtime Database vous permet de créer des applications riches et collaboratives en autorisant un accès sécurisé à la base de données directement à partir du code côté client. La base de données en temps réel fournit un langage de règles flexible basé sur des expressions, appelé Firebase Realtime Database Security Rules, pour définir la manière dont vos données doivent être structurées et quand les données peuvent être lues ou écrites. La base de données en temps réel est une base de données NoSQL et, en tant que telle, présente des optimisations et des capacités différentes par rapport à une base de données relationnelle.
30 Beautiful Clean and Simple Web Designs for Inspiration Beautiful typography, strategic use of colors and graphics, and obstruction-free aesthetics devoid of visual clutter are a few of the characteristics shared among web designs that are clean and simple. In this collection, you’ll discover a few excellent web designs that are clean, simple and elegant. Here are related collections you should also check out: 1. Nizo 2. 4. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 8 Faces 17. 18. 19. 37signals 20. 21. 22. 23. 24. 25. 26. enjoythis 27. co: collective 28. 29. 3Degrees 30. Related Content About the Author Jacob Gube is the Founder and Chief Editor of Six Revisions.