Swift

Learn more and get better in Swift using this list of Swift blog posts, tutorials, tips, and tricks.

Struct vs classes in Swift: The differences explained

Swift brings us classes and structs which both can look quite similar. When should you use a struct and when ...
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  •  4 min read Swift

Error handling in Combine explained with code examples

Once you get started with Combine you'll quickly run into error handling issues. Each Combine stream receives either a value ...
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  •  4 min read CombineSwift

Array vs Set: Fundamentals in Swift explained

An Array and a Set seem to be quite the same in the beginning. They're both collection types and have ...
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  •  4 min read Swift

Xcode refactoring options explained with examples

A brand new Xcode refactoring engine was introduced in Xcode 9. Although this is quite a few Xcode versions ago ...
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  •  4 min read SwiftWorkflow

UIKeyCommand how-to add keyboard shortcuts & speed up your workflow

The UIKeyCommand class allows you to add keyboard shortcuts to your app. Although they might seem useful for iPad only, ...
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  •  6 min read SwiftWorkflow

Combine debugging using operators in Swift

Combine debugging can be hard with long stack traces which don't help at all. Asynchronous callbacks follow up on each ...
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  •  4 min read CombineDebuggingSwift

Creating a custom Combine Publisher to extend UIKit

A Custom Combine Publisher can add missing functionalities to UIKit elements you use every day. A lot of boilerplate code ...
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  •  4 min read CombineSwift

Getting started with the Combine framework in Swift

Combine is a new framework by Apple introduced at WWDC 2019. The framework provides a declarative Swift API for processing ...
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  •  7 min read CombineSwift

Dynamic Member Lookup combined with key paths in Swift

Dynamic member lookup has been introduced in Swift 4.2 with SE-195 and already allowed some pretty nice solutions to for example ...
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  •  3 min read Swift

Property wrappers to remove boilerplate code in Swift

Property wrappers were first introduced during WWDC 2019 and come with Xcode 11 in Swift 5. It's a neat addition ...
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  •  3 min read Swift

Try catch throw: implementing Error Handling in Swift

Try catch in Swift combined with throwing errors make it possible to nicely handle any failures in your code. A ...
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  •  4 min read Swift

Using NSBatchDeleteRequest to delete batches in Core Data

An NSBatchDeleteRequest can be used to efficiently delete a batch of entries from a Core Data SQLite persistent store. It runs ...
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  •  3 min read Swift