Swift
Learn more and get better in Swift using this list of Swift blog posts, tutorials, tips, and tricks.
MainActor usage in Swift explained to dispatch to the main thread
MainActor is a new attribute introduced in Swift 5.5 as a global actor providing an executor which performs its tasks ...
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Actors in Swift: how to use and prevent data races
Swift Actors are new in Swift 5.5 and are part of the big concurrency changes at WWDC 2021. Before actors, ...
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Improve discoverability using Static Member Lookup in Generic Contexts
Static Member Lookup is extended to Generic Contexts since the release of SE-0299. It might seem to be a minor ...
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Presenting sheets with UIKit using a UISheetPresentationController
WWDC 2021 introduced iOS 15 with many API changes, including improvements to presenting sheets in UIKit with the new UISheetPresentationController ...
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Swift Jobs: How to make the right career move
Swift jobs are something we're all interested in. Companies are hiring remotely more than ever since everybody is working from ...
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Fileprivate vs private in Swift: The differences explained
Fileprivate and private are part of the access control modifiers in Swift. These keywords, together with internal, public, and open, ...
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URLSession: Common pitfalls with background download & upload tasks
URLSession enables you to download and upload files while the app is in the background. Basic instructions to get it ...
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NSPredicate based XCTestExpectations for conditional checks
NSPredicate allows us to write predicates for validating a certain outcome. They're often used combined with Core Data fetch requests ...
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Getting started with the Combine framework in Swift
Combine was introduced as a new framework by Apple at WWDC 2019. The framework provides a declarative Swift API for ...
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How to test optionals in Swift with XCTest
Optionals types in Swift either have a value or not, and there are several ways to test optionals using the ...
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How to use the rethrows keyword in Swift
Rethrows in Swift allows forwarding a thrown error by a given function parameter. It's used a lot in methods like ...
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How to use @autoclosure in Swift to improve performance
@autoclosure in Swift is a type of closure that allows to omit braces and make it look like a normal ...
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