Swift DateFormatter Cheatsheet, Formulas, And Examples
Learn how to use DateFormatter to parse, format, and extract components from Dates. Use the cheatsheet to create DateFormatter formulas.
Email Template To Get Beta Testers
Use this email template to ask someone to become a beta tester for your app
Learn Swift for C++ Developers
Learn how to program in Swift with side-by-side C++ examples, covering topics from variable assignment to generics.
Face ID and Touch ID in Swift
Learn how to add Face ID and Touch ID to iOS and macOS apps using the Local Authentication Framework in Swift.
Core Data Background Fetch, Save, & Create
Learn how to create new objects, perform fetch requests, and save a managed object context on a background thread using Core Data in Swift.
Batch Delete And Delete Everything In Core Data
Learn how to delete multiple objects, batch delete, and delete everything in Core Data with Swift.
Core Data Fetch Requests In Swift
Learn how to make queries using fetch requests in Core Data for objects by ID, predicate, and entity with Swift.
Secure Random Numbers and Data in Swift
Learn how to generate secure random data and numbers in Swift using the Security framework.
Getters and Setters in Swift
Learn how to implement getters and setters for Swift properties, and learn about Swift 5.5 support for getters that can throw an error.
Comments in Swift
Learn how to add single line, multi-line, and markdown comments in Swift, and how to add Quick Help documentation in Xcode.
Async / Await in Swift
Learn how to use async and await in Swift by example. Async and await are new Swift 5.5 keywords to help implement asynchronous programming.
Crop UIImage In Swift
Learn how to crop UIImages in Swift to different boundaries, including centering and circular crops like social media apps.