In this post I’ll try to systemise the knowledge about major formats and types of data serialization in iOS development. I will also compare ObjC approach to the problem (NSCoding) with the one we got in Swift 4 (Codable) and will take a look at some specific…

Last month I took part in Advent of Code, an Advent calendar of small daily programming puzzles.

RxSwift resource sharing can be hard. Learn about share(), which lets you define streams that share resources among their subscribers.

I'm happy to announce that we shipped Alamofire 5 beta 1 just over a week ago! This is the most significant release of Alamofire since the original in 2014! I've been working on this release on and off for a year now and I'm hoping you'll all take a look.…

Great software also has a great installation experience. If the software is too hard to install few will use it.

In this tutorial, I’ll try to develop an image classifier iOS app to see how I can use Apple’s ML tools to detect pediatric pneumonia.

Give your docs an upgrade

When using syntactic sugar, what we ideally want is to be able to strike a nice balance between low verbosity and clarity, and this week, let’s take a look at a few different ways that type aliases can enable us to do just that.

The classic text on refactoring by Martin Fowler just got updated to a 2nd edition. How relevant is it to iOS developers? The book uses Javascript for the code examples but the techniques are language independent so don’t let that put you off. What Swift…

Check out our blog post macOS Machine Learning in 2019 from Big Nerd Ranch. Learn more and read it now!

Starting February 12, 2019 development teams for organizations in the Apple Developer Program will be unified across the Apple Developer website and App Store Connect, with one team and one set of roles.

Today we will talk about using Protocols as composable pieces for our ViewControllers. Protocols and Protocol Extensions are my second favorite Swift feature after Optionals. It helps us to create highly composable and reusable codebase without inheritance.…

Last week we talked about extracting reusable code samples from ViewControllers into Protocols and Protocol extensions. Today I want to show you another nice use case of protocols while maintaining the state of ViewControllers.

In the past few days the Swift community has been awoken again with the promise of a better way of using Swift for scripting, all thanks to…

It’s straight forward to watch a directory for file writes, but how can you be alerted when a file has finished being written?

print is among the most-used functions in the Swift standard library. Indeed, it’s the first function a programmer learns when writing “Hello, world!”. So it’s surprising how few of us are familiar with its other forms.

Learn how to create a voice recording app, that has audio visualization as well as a record button just like Apple’s Voice Memos app.

From this tutorial you can learn how to utilize the do-try-catch syntax with the brand new result type to handle errors in Swift.

In this article we'll cover some debugging tips&tricks to help you out with your debugging adventures and save you some time.