Articles

• Swift-Parsing Library Introduction Mon, Oct 13, 2025
• Find the Slow Spots in Your Code with the CPU Profiler Instrument Thu, Jul 24, 2025
• Show an Alert from a Menu Item in a SwiftUI Mac App Mon, Jun 23, 2025
• Open Document-like Windows Using SwiftUI WindowGroup Mon, Jun 16, 2025
• Instruments Flame Graph Introduction Mon, Mar 24, 2025
• Using Jujutsu Version Control in Xcode Projects Mon, Mar 17, 2025
• See How Many Times Your SwiftUI Views Redraw Using Instruments Mon, Mar 10, 2025
• Set the Sidebar Initial Width in SwiftUI Navigation Split View Mon, Feb 24, 2025
• Downloading Older Versions of Xcode Tue, Jan 28, 2025
• Troubleshooting File Loading Problems in Swift Apps Mon, Nov 25, 2024
• SwiftUI Tip: Avoid Nesting ObservableObjects Mon, Aug 26, 2024
• macOS by Tutorials Book Review Mon, Aug 5, 2024
• Save Data in Your Swift App with PropertyListEncoder Wed, May 29, 2024
• Running a Command-Line Program from a Mac App Mon, Apr 8, 2024
• Creating a UIKit Xcode Project Mon, Feb 12, 2024
• How to Learn SwiftUI to Develop Mac Apps Mon, Feb 5, 2024
• Deleting an Xcode Project’s Git Repository Thu, Jan 25, 2024
• Where is the Info.plist file? Tue, Jan 2, 2024
• Dealing with the init(destination:tag:selection ) was deprecated in iOS 16.0 message Thu, Dec 14, 2023
• Dealing with Core Data Duplicate Class Errors Mon, Nov 20, 2023
• Highlighting the Selected Item Button in a SwiftUI List Mon, Oct 9, 2023
• Creating a SwiftUI Toolbar Button with an Image and a Label Mon, Oct 2, 2023
• Adding a Help Menu to a SwiftUI App Mon, Sep 11, 2023
• Showing a SwiftUI sheet from a Mac Menu Wed, Aug 30, 2023
• Showing Local HTML Content in a WKWebView Mon, Aug 7, 2023
• Running a Mac App Outside of Xcode Mon, Jul 31, 2023
• Scene Editor Development: Showing a SwiftUI View Based on a Selection Mon, Jul 17, 2023
• Using ReferenceFileDocument to Save SwiftUI Documents Mon, Jun 26, 2023
• Scene Editor Development: Unable to Open Scenes Mon, Jun 19, 2023
• Scene Editor Development: Saving with NSKeyedArchiver Tue, May 30, 2023
• Scene Editor Development: Trouble Conforming to Codable Mon, May 22, 2023
• Scene Editor Development: SwiftUI Navigation Issues Mon, May 15, 2023
• Scene Editor Development: Updating a SwiftUI List When Adding an Item Mon, May 8, 2023
• SwiftUI Open and Save Panels Thu, May 4, 2023
• Scene Editor Development: Intro Mon, May 1, 2023
• Working on a SwiftUI Project in Xcode and Swift Playgrounds Fri, Apr 14, 2023
• Scrolling a SwiftUI Sprite View Thu, Mar 30, 2023
• Using a UIKit or AppKIt View in SwiftUI Mon, Feb 20, 2023
• Storing a Swift Enum in Core Data Mon, Feb 13, 2023
• Fixing the Type () cannot conform to View Error in Swift Mon, Jan 23, 2023
• Fixing the Thread 1: Fatal error: Unexpectedly found nil while implicitly unwrapping an Optional value error Tue, Jan 17, 2023
• Fixing the ForEach requires that T conform to Identifiable error in Swift Wed, Jan 11, 2023
• Fixing the “Async call in a function that doesn’t support concurrency” error in Swift Thu, Jan 5, 2023
• Replace Swift print Statements with Xcode Breakpoint Actions Mon, Dec 12, 2022
• Showing a Swift Enum’s Values in a SwiftUI Picker Tue, Dec 6, 2022
• Genrerating Swift Code for REST APIs with CreateAPI Mon, Nov 21, 2022
• Navigation Basics for SwiftUI on macOS Fri, Nov 11, 2022
• Working with Lists in Multiplatform SwiftUI Apps Mon, Nov 7, 2022
• Saving Images in Core Data Mon, Oct 31, 2022
• Xcode Multiplatform App Targets Mon, Oct 24, 2022
• Using the Sparkle Framework in a Sandboxed App Mon, Sep 26, 2022
• Accessing the Sparkle Binary from its Swift Package Wed, Sep 21, 2022
• Passing Data to SwiftUI Views Mon, Sep 12, 2022
• Getting Started with the Get Networking Framework Mon, Aug 15, 2022
• Saving Passwords in the Keychain in Swift Tue, Jul 12, 2022
• Intro to Making SwiftUI Apps with Swift Playgrounds Tue, Jun 7, 2022
• Rija Development: Using OAuth Tokens to Make REST API Calls Mon, May 23, 2022
• Log in to Websites with ASWebAuthenticationSession Wed, May 11, 2022
• Rija Development: OAuth Authorization Fri, May 6, 2022
• Rija Development: Using Jira’s REST APIs Mon, May 2, 2022
• Rija Development: Intro Mon, Apr 25, 2022
• Dealing with “Failed to prepare device for development” Error Message in Xcode Fri, Mar 25, 2022
• Why Won’t My Xcode Project Build? Wed, Mar 23, 2022
• Document Types in SwiftUI Apps Fri, Jan 14, 2022
• Edit Swift Files Outside Xcode Wed, Nov 24, 2021
• Disable a Text Field in a SwiftUI List Until Tapping Edit Button Tue, Nov 2, 2021
• Moving List Items Using Drag and Drop in SwiftUI Mac Apps Thu, Oct 28, 2021
• What Xcode Files Should Git Track and Ignore? Thu, Oct 21, 2021
• Accessing the Document in a SwiftUI Menu Mon, Sep 20, 2021
• Using New API Features in Swift While Supporting Older OS Versions Wed, Sep 8, 2021
• Convert a Swift Range to Use String.Index Thu, Sep 2, 2021
• Using File Wrappers in a SwiftUI App Fri, Aug 27, 2021
• Creating a Master-Detail Interface in SwiftUI Mon, Aug 23, 2021
• Using a Scrollable Text View in a Mac SwiftUI App Mon, Aug 16, 2021
• Removing Items from SwiftUI Lists in Mac Apps Thu, Jul 1, 2021
• Storing an Array of Custom Structs in Core Data Wed, Jun 23, 2021
• Resources for Learning Combine Thu, Apr 22, 2021
• Saving Data When Your Swift App Quits Mon, Apr 12, 2021
• Xcode Installation Questions Mon, Apr 5, 2021
• Where are the Single View and Master-Detail App Project Templates? Mon, Feb 15, 2021
• Using Environment Variables in Swift Apps Mon, Jan 25, 2021
• Should I learn Swift or SwiftUI? Mon, Jan 11, 2021
• Getting Started with Swift Unit Testing in Xcode Tue, Dec 15, 2020
• Make a Markdown Editor in SwiftUI Mon, Nov 23, 2020
• Renaming Xcode Projects Mon, Oct 19, 2020
• How to Notarize a Mac App Thu, Oct 8, 2020
• Customizing the About Box in Your Mac App Mon, Sep 14, 2020
• Working with Open and Save Panels in Mac Apps Tue, Sep 8, 2020
• Changing the Button Title for Open and Save Panels Tue, Sep 1, 2020
• Adding Undo Support for NSTextView Mon, Jun 22, 2020
• Showing a Sheet When Choosing a Menu Item in AppKit Tue, Jun 9, 2020
• Code Signing and the Sparkle Framework Wed, Jun 3, 2020
• Saving Data in a Swift App Tue, May 12, 2020
• Scrolling an iOS Text View When the Keyboard Appears Mon, May 4, 2020
• Xcode Breakpoint Actions Fri, Apr 24, 2020
• It’s OK to Use Storyboards Tue, Apr 14, 2020
• Creating Custom Elements and Attributes in the Plot HTML Framework Wed, Apr 8, 2020
• Submitting Bug Reports to Apple Fri, Apr 3, 2020
• 5 Tips to Get Help Faster Online Wed, Apr 1, 2020
• Create a Mac Markdown Editor with Live Preview Wed, Feb 19, 2020
• Cherry Picking a Git Commit in Xcode Fri, Feb 7, 2020
• Creating Document-Based Apps with SwiftUI Mon, Jan 6, 2020
• Using Text Views in a SwiftUI App Fri, Dec 20, 2019
• Learn SwiftUI or UIKit? Tue, Dec 3, 2019
• Creating a Simple SwiftUI App Thu, Nov 21, 2019
• Going from Tutorials to Your First Real Swift App: First Steps Wed, Nov 13, 2019
• Accessing the SwiftUI Views Library in Xcode Mon, Nov 11, 2019
• Timers in Swift Tue, Nov 5, 2019
• Xcode Missing View Controllers Sun, Oct 13, 2019
• Limiting an iOS App to Friends and Family Thu, Oct 10, 2019
• Introducing the Swift Package Manager Thu, Sep 12, 2019
• Create a Document-Based Mac App in Swift Thu, Aug 15, 2019
• Why Make Mac Apps? Wed, Aug 7, 2019
• Building a Product Business: the 30×500 Method Mon, Jul 22, 2019
• Displaying Data in a Mac Table View Mon, Jul 15, 2019
• Responding to Mac Menu Selections Mon, Jul 8, 2019
• An Introduction to Xcode’s Debugger Wed, Jun 19, 2019
• Introduction to Mac Development: Connecting UI Elements Sun, Apr 7, 2019
• Introduction to Mac Development: Build the UI Fri, Apr 5, 2019
• Introduction to Mac Development: Create a Project Mon, Mar 25, 2019
• Resources for Learning Mac Development Tue, Mar 5, 2019
• Adding Folders of Files to Xcode Projects Mon, Feb 25, 2019
• I have a great idea for an app. How do I get started? Mon, Feb 11, 2019
• Fixing and Avoiding Crashes in Swift Code Tue, Feb 5, 2019
• UndoManager Introduction Swift Sat, Jan 19, 2019
• Finding the Slow Spots in Your Code with the Time Profiler Instrument Mon, Jan 7, 2019
• Creating a Draggable iOS View Thu, Dec 27, 2018
• Measuring Your App’s Memory Usage with Instruments Fri, Dec 14, 2018
• Learning iOS Development Wed, Dec 5, 2018
• Checking API Availability in Swift Tue, Nov 27, 2018
• Supporting Older Versions of iOS and macOS Mon, Nov 19, 2018
• Swift Optionals Thu, Nov 15, 2018
• Make a Simple Mac App in Swift Mon, Nov 12, 2018
• Core Data Code Generation Tue, Nov 6, 2018
• Creating Document-Based iOS Apps Part 2: Make a Text Editor Fri, Oct 26, 2018
• Creating Document-Based iOS Apps Part 1 Thu, Oct 25, 2018
• Crashing with Swift Optionals Thu, Oct 18, 2018
• Putting Your Xcode Project on GitHub, Bitbucket, or GitLab Tue, Oct 9, 2018