In this tutorial we’ll start to build an app with Augmented Reality using Vuforia on Unity 3D. We’ll learn how to set up Vuforia and start developing an AR game from scratch, adopting a logic similar to the one used on Pokémon GO!

While the vast majority of Android apps are written in Java, there's no rule that you have to use Java for Android development. There are a variety of modern programming languages that are designed to run on the Java Virtual Machine (JVM) and one of these languages that's becoming popular in the Java community, is Kotlin. 

In this series, you'll learn how to use React Native to create page layouts commonly used in mobile apps. The layouts you'll be creating won't be functional—instead, the main focus of this series is to get your hands dirty in laying out content in your React Native apps. 

In this tutorial, we explore the basics of regular expressions and how they can be used to solve interesting text processing problems. We start by looking at the theory and syntax of regular expressions. Later, we apply this knowledge to Swift.

No matter what persistence framework an application uses, the developer decides what is stored in the application's persistent store. This also means that the developer is in charge of validating the data before it is inserted into the persistent store. If your application uses Core Data for persisting data, then you are in luck. The framework has a number of APIs for validating objects before they are persisted to disk. In this series, I show you what options Core Data offers developers for validating objects.

In this series about SpriteKit, you will learn the basics to build fantastic games with Apple's excellent framework for creating 2D games. You will learn about views, scenes, and nodes, and you will work with SpriteKit's powerful physics engine.