Programación básica The robots.txt file is nothing more than a plain text file that allows you to tell the robots that analyze our website about the organization of our site. We will see how to create them and how to define the most basic rules.

JavaScript The JavaScript compiler places the functions of declarative in a global scope to the entire program unlike the expression functions that only corresponds to a definite section of the program.

JavaScript Learn what the File API is in JavaScript, how to read, validate, and manipulate local files with practical examples using File, FileReader, and Drag and Drop.

CSS With this property, it is possible to define the color, size, and style of each of the four borders that define the box of an element. We will also see a very simple way to have multiple borders, or rather, the effect of having multiple borders in a container or element, by using the `box-shadow` property. We will also see a small trick that allows transparent borders, using the `background-clip` property, and internal borders so that they do not affect the margin.

CSS Flexbox allows you to easily adapt to the available space on any device. With the FlexBox property, we can build flexible, fluid, and adaptable boxes of different sizes that also easily adjust to the device's resolution. We'll see how to create a basic website using Flexbox with the flex-grow, flex-shrink, and flex-basis properties.

JavaScript We will see how to make some simple animations in JavaScript using requestAnimationFrame() whose API is integrated with Canvas.

Swift Learn what stacks are in SwiftUI and how to use VStack, HStack, and ZStack to create responsive, efficient, and well-structured layouts.

Swift Learn how to completely uninstall Xcode on macOS. Step-by-step guide with a safe script to remove Xcode and all its residual files.

Swift Learn SwiftUI from scratch and create your first iOS apps with this practical guide. Concepts, components, lists, state, and real-world examples for beginners.

Swift A complete guide to loops in Swift. Learn how to use for, while, and repeat-while with real-world, easy-to-understand examples.