Memory leaks are a common problem when writing iOS applications, and while we all know we should be on the lookout for them, it’s often too easy to miss a vital weak reference. By leveraging integration testing, we can catch these issues and spend more time…

Create a QR code Core Image in Swift by applying multiple Core Image filters to adjust the color and combine the QR code with your own logo.

In this tutorial, you’ll learn about requesting app ratings and reviews in your iOS applications using SKStoreReviewController and other available APIs.

This week, let's take a look at a way of writing networking code that utilizes Apple's built-in URLSession API, while augmenting it using Futures & Promises, as well as several functional programming concepts.

In this tutorial, we are going to deal with massive View Controller using Container View Controller and Child View Controller.

In this Swift algorithm tutorial, we'll look into how we can implement a heap based priority queue to search a graph for the shortest path.

If you’ve been following Apple’s announcements from the past year, you know that they are heavily invested in machine learning. Ever since they introduced Core ML last year at WWDC 2017, there are tons of apps which have sprung up which harness the power…

In this Docker tutorial, you’ll learn Docker vocabulary and the commands for creating, inspecting and removing containers, networks and data volumes. You’ll learn how to run Docker containers in the background or foreground, and switch between the two; how…

Clear up any ambiguity and get typed errors too

I recently have been looking for some resources on how to implement a promise in Swift, and because I did not find any good articles about it, I thought I could write one instead. In this article we’ll implement our own Promise type in order to understand…

iOS 12 introduced the Network framework including NWPathMonitor.

One of the first lessons we learn as software developers is how to organize concepts and functionality into discrete units. But what happens when namespaces collide and declarations lurk in the shadows?

Benjamin Sandofsky, a Software Engineer in San Francisco, California.

A few weeks ago I encountered a strange problem when working on an iOS application that seemed really strange at first sight.

We might not realize it, but most of us share code with other people every single day. However, sharing code in a way that’s clear and effective can be quite difficult, so for the 100th weekly article on this site — let’s take a look at what goes into sharing…

Check out our blog post It Looks Like You're Still Trying to Use a Framework from Big Nerd Ranch. Learn more and read it now!