01
Understanding the "some" Keyword in Swift and SwiftUI
SwiftSwiftUIOpaque-TypesGenerics
Learn what the "some" keyword means in Swift, how opaque return types work, and why SwiftUI uses "some View" everywhere.
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> Swift
// 20 articles available
- 02
Choosing the Right Resource Isolation Strategy in Swift
SwiftConcurrencyArchitectureSwift offers actors, GCD, and locks for thread safety. Each solves the same problem differently. Here's how to choose.
READ_ARTICLE - 03
Resource Isolation in Swift Using Actors
SwiftConcurrencyActorsActors provide compile-time safety for shared mutable state in Swift. Here's when to use them and how they compare to older approaches.
READ_ARTICLE - 04
Resource Isolation in Swift Using GCD
SwiftConcurrencyGCDGrand Central Dispatch remains a practical choice for thread safety in Swift, especially when you need synchronous access or are working with legacy code.
READ_ARTICLE - 05
Resource Isolation in Swift Using Locks
SwiftConcurrencyThreadingLocks offer the lowest overhead for thread synchronization in Swift. Here's when that matters and how to use them safely.
READ_ARTICLE - 06
Async/Await Basics in Swift
SwiftConcurrencyasync/awaitA practical introduction to async/await in Swift, covering the fundamentals you need to write concurrent code that's both safe and readable.
READ_ARTICLE - 07
Async/Await vs GCD in Swift: When to Use Each
SwiftConcurrencyGCDasync/awaitBoth async/await and Grand Central Dispatch solve concurrency problems, but they approach them differently. Here's how to choose between them.
READ_ARTICLE - 08
Operator Precedence Gotchas When Moving Between Swift and Objective-C
SwiftObjective-CMigrationA refactoring mishap with arithmetic expressions led me down the rabbit hole of operator precedence differences between Swift and Objective-C. Here's what to watch for.
READ_ARTICLE - 09
Scheduling Alarms with AlarmKit
AlarmKitiOSSwiftLearn how to use AlarmKit to schedule alarms that appear in the system Clock app, giving your app native alarm integration on iOS 26.
READ_ARTICLE - 10
Reading Your App's Age Rating with StoreKit's ageRatingCode
StoreKitiOSSwiftApp-StoreLearn how to use AppStore.ageRatingCode to read your app's current age rating and react to rating changes for parental consent compliance.
READ_ARTICLE - 11
Using Failable Initializers to Handle Optionals in SwiftUI Views
SwiftUISwiftOptionalsUIFailable initializers offer a cleaner alternative to if-let statements when your SwiftUI views depend on optional data.
READ_ARTICLE - 12
Finding the Top View Controller in Swift
SwiftUIKitiOSHow to traverse the view controller hierarchy to find the currently visible view controller.
READ_ARTICLE - 13
Generating a Random Emoji in Swift
SwiftUnicodeStringHow to generate random emoji characters in Swift using Unicode scalar ranges.
READ_ARTICLE - 14
Getting Current Disk Usage in Swift
SwiftStorageiOSHow to check available and total disk space on iOS devices using URL resource values.
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Accessing Environment Variables in Swift
SwiftConfigurationEnvironmentDevelopmentLearn how to access and configure environment variables in Swift applications for configuration management, API keys, and feature toggles.
READ_ARTICLE - 16
How to get the name of an emoji in Swift
SwiftTextUnicodeEmojiLearn how to use kCFStringTransformToUnicodeName to get the system name for any emoji.
READ_ARTICLE - 17
Preventing the software keyboard from dismissing on iOS simulators
SwiftSimulatorKeyboardLearn how to prevent typing with your physical keyboard from dismissing the software keyboard when running your Swift app in the iOS simulator.
READ_ARTICLE - 18
All the Ways to Add Elements to an Array in Swift
SwiftArraysCollectionsA practical guide to the different methods for adding single elements, multiple elements, and inserting at specific positions in Swift arrays.
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How to Access the App Delegate in Swift
SwiftUIKitAppDelegateSwiftUILearn how to access your app's App Delegate from anywhere in your Swift code, including from SwiftUI views.
READ_ARTICLE - 20
How to Replace Characters in a String in Swift
SwiftStringTextManipulationLearn multiple approaches to replace characters and substrings in Swift strings, from simple replacements to pattern-based transformations.
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