Como Criar Componentes Personalizados no React
O autor selecionou a Creative Commons para receber uma doação como parte do programa Write for DOnations. Neste tutorial, você aprenderá a criar componentes personalizados no React. Os…
Understanding Class and Instance Variables in Python 3
Object-oriented programming allows for variables to be used at the class or instance level. This tutorial will demonstrate the use of both class and instance variables in object-oriented programming in Python.
How To Navigate Between Views with Vue Router
With single-page applications, every page or view is rendered within one HTML page. User interface (UI) frameworks like Vue.js render these pages and components when needed through the use of a Virtual DOM. In Vue.js, you can create several views using the first-party library Vue Router. This router makes an association with a view to a URL. In this tutorial, you are going to learn how to add the Vue Router library, integrate it into your project, and create dynamically generated routes.
How To Use Foreign Keys in SQL
When working on a large SQL project, you must maintain the accuracy and consistency of data across all tables using foreign keys. This is where referential integrity comes into play. Referential integrity ensures all data references are valid in SQL and prevents inconsistent entries or orphaned records. In this tutorial, you’ll enforce referential integrity with foreign keys on your database.
How To Boost SEO Using Gatsby’s SEO Component and Gatsby React Helmet
Search engine optimization (SEO) is the practice of making a website discoverable by this online audience. In this tutorial, you will configure Gatsby’s SEO component that comes with SEO tooling right out of the box. You will add meta tags to your site using Gatsby React Helmet.
Cómo usar .map() para iterar elementos de matriz en JavaScript
Uno de los métodos más populares de iterar conjuntos de datos en JavaScript es el método `.map()`. `.map()` crea una matriz a partir de la invocación de una función específica sobre cada elemento en la matriz principal. `.map()` es un método sin mutación que crea una nueva matriz en vez de cambiar la original. En este tutorial, veremos cuatro usos notales de `.map()` en JavaScript: invocar una función de elementos de matriz, convertir cadenas a matrices, renderizar listas en bibliotecas y cambia
How To Install PHP 7.4 and Set Up a Local Development Environment on Ubuntu 18.04
PHP is a popular server scripting language known for creating dynamic and interactive web pages. Getting up and running with your language of choice is the first step in learning to program.
Comment utiliser les modules Node.js avec npm et package.json
L’auteur a choisi le Open Internet/Free Speech Fund pour recevoir un don dans le cadre du programme Write for DOnations. Grâce à des caractéristiques telles que ses bonnes…
Understanding Prototypes and Inheritance in JavaScript
JavaScript is a prototype-based language, meaning object properties and methods can be shared through generalized objects that have the ability to be cloned and extended. This is known as prototypical inheritance and differs from class inheritance. Among popular…
How To Use Enums in TypeScript
In TypeScript, enums, or enumerated types, are data structures of constant length that hold a set of constant values. Each of these constant values is known as a member of the enum. Enums are useful when setting properties or values that can only be a certain number of possible values. This tutorial will explain the syntax used to create enum types, the JavaScript code that the TypeScript compiler creates under the hood, and a use case for enums in game development.
