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Showing a relative "Time ago" date in SwiftUI
SwiftUIDateFormattingFoundation
Learn how to display human-readable relative timestamps like "5 minutes ago" or "yesterday" using RelativeDateTimeFormatter in your SwiftUI apps.
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// 160 articles available
- 02
Generating a Random Emoji in Swift
SwiftUnicodeStringHow to generate random emoji characters in Swift using Unicode scalar ranges.
READ_ARTICLE - 03
Implementing Undo/Redo in SwiftUI with UndoManager
SwiftUIUndoManagerState-ManagementLearn how to implement undo/redo functionality in SwiftUI using UndoManager, including environment injection, registering actions, and creating undo buttons for professional editing experiences.
READ_ARTICLE - 04
Getting Current Disk Usage in Swift
SwiftStorageiOSHow to check available and total disk space on iOS devices using URL resource values.
READ_ARTICLE - 05
Firebase Crashlytics dSYM files not uploading using Xcode 15+
FirebaseXcodeCrashlyticsDebuggingLearn how to fix the Firebase Crashlytics dSYM files not properly being uploaded to Firebase after upgrading to Xcode 15/16.
READ_ARTICLE - 06
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 - 07
Aligning Text in SwiftUI
SwiftUITextLayoutUILearn how to align single and multiline text in SwiftUI.
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How to make a SwiftUI List scroll automatically?
SwiftUIScrollViewListUILearn how to use ScrollViewReader and ScrollViewProxy to scroll a SwiftUI list to a specific item automatically.
READ_ARTICLE - 09
Detect when a context menu is open in SwiftUI
SwiftUIContextMenuUIGesturesLearn how to detect when a context menu is open in SwiftUI.
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Creating a WebView with a transparent background in SwiftUI
SwiftUIWebViewUIKitStylingLearn how to create a WebView/WKWebView with a transparent/clear background in SwiftUI.
READ_ARTICLE - 11
Adding a TextField to an Alert in SwiftUI
SwiftUITextFieldAlertUILearn how to accept user input in an alert using TextField or SecureField.
READ_ARTICLE - 12
Different Ways to Dismiss the Keyboard in React Native
React-NativeThe keyboard doesn't always dismiss itself when you expect it to. Here are several approaches to dismissing it programmatically and through user interaction.
READ_ARTICLE - 13
Adding a character limit to a TextEditor or TextField in SwiftUI
SwiftUITextFieldTextEditorValidationLearn how to create a modifier that limits the characters that can be entered in a TextEditor or TextField view in SwiftUI.
READ_ARTICLE - 14
How to scale text to fit its parent view with SwiftUI
SwiftUITextLayoutUILearn the ways to scale a text view's font size to fit its parent view in SwiftUI.
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How to display a GIF from a URL in SwiftUI
SwiftUIImagesWebViewUIKitLearn how to use a WKWebView as a quick way to load a GIF from a URL and display it in a SwiftUI view.
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Creating custom styles for DisclosureGroup views
SwiftUIUIComponentsStylingLearn how to use DisclosureGroupStyle to create custom DisclosureGroup views in SwiftUI.
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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 - 18
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.
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nil vs Nil vs NULL vs NSNull in Objective-C
Objective-CFundamentalsMemoryObjective-C has four ways to represent nothing. Understanding when to use each prevents subtle bugs and clarifies your code's intent.
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Detecting if SwiftUI is running in a Preview in Xcode
SwiftUIXcodePreviewsDevelopmentLearn how to detect if a SwiftUI app is running in a Xcode Preview.
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Fixing CocoaPods "Unknown ISA PBXFileSystemSynchronizedRootGroup" Error
CocoaPodsXcodeiOSTroubleshootingHow to resolve the pod install error caused by Xcode 16's new folder-based group structure.
READ_ARTICLE - 22
How to force navigation bar to show background in SwiftUI?
SwiftUINavigationUIStylingLearn how to force the navigation bar to show a background color in SwiftUI.
READ_ARTICLE - 23
Using DisclosureGroup to hide and show content
SwiftUIUIComponentsHow to use the SwiftUI DisclosureGroup view to create collapsable content.
READ_ARTICLE - 24
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 - 26
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.
READ_ARTICLE - 27
Key-Value Observing Deep Dive
Objective-CFoundationAdvancedKVO lets you observe property changes without delegation or notifications. Here's how it works under the hood and how to use it correctly.
READ_ARTICLE - 28
Blocks - Closures Before Swift Existed
Objective-CConcurrencyFundamentalsBefore Swift closures, Objective-C had blocks. The syntax is different, but the power is the same. Here's how to use them effectively.
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The NSObject Class Hierarchy Explained
Objective-CFoundationFundamentalsEvery Objective-C class inherits from NSObject (usually). Here's what NSObject provides and why it matters for every object you create.
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Categories vs Class Extensions in Objective-C
Objective-CFundamentalsBest-PracticesBoth let you add methods to classes, but categories and class extensions serve different purposes. Here's when to use each.
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