In this post we’re going to see how to use Core Image to build a face detector. We’ll use a static image that we load into Xcode using the asset manager and draw on

In this post, we’re going to build a small app that will present a music library and allow us to query the data using a pre-existing database. We’ll learn about the

 Structures We’ve discussed classes in Swift and how they are the foundation of object-oriented programming. In addition to classes, we also have structures that provide similar functionality. A structure is similar to a class since it

Initialization and Deinitialization Initialization is when we prepare to create an instance of a class. This process may involve configuring the properties or any other miscellaneous setup required before we can use

Basic Object-oriented Principles Before delving into Swift code, let’s first understand what it means to be object-oriented (OO) and the need for OO. We begin our discussion by talking about classes

In this tutorial, we’re going to explore grand central dispatch (GCD) and discuss concurrency topics and their applications. We’ll learn about concurrency, challenges with concurrency, and the application of GCD to help

In this tutorial, we’re going to discuss how to perform different kinds of animations on views. There are many properties on views that we can animate to delight our user. Using subtle

In this tutorial, we’re going to delve into Core Data and build an app to manage our contacts. We’re going to learn about creating a data model, add records to the model, fetch