Andrew Bancroft is an experienced iOS developer and educator with over 15 years of experience. He shares tutorials, courses, and insights on Swift, SwiftUI, Core Data, and app development best practices.
203 articles from this blog
A guide to fixing React Native's 'No bundle url present' error by deleting the iOS build folder.
Learn how to safely unwrap multiple optionals in Swift using a single if-let statement with clear code examples.
Tutorial on creating a Core Data stack with backwards compatibility for iOS versions before iOS 10 using Swift.
Swift tip on using a URL extension to access a user's documents directory, keeping code DRY.
A course on Core Data fundamentals with Swift, covering data modeling, persistence, and app architecture.
Learn how to specify decimal precision in Entity Framework to avoid truncation of decimal values in SQL Server.
Tutorial on fixing ambiguous type/redeclaration errors for Core Data NSManagedObject subclasses in Xcode 8.
Fixing the 'Spatial types and functions are not available' error in Entity Framework with SQL Server geospatial features.
How to disable Xcode's verbose OS-level debug console logging using an environment variable.
Guide on using a compiled Core Data model (.momd) in Swift Playgrounds for testing and tinkering.
Troubleshooting TypeScript build errors when publishing ASP.Net web projects due to configuration differences between Debug and Release modes.
Explains why force unwrapping Swift optionals with ! is a code smell, with exceptions for IBOutlets and required properties.
Explores protocol-oriented programming vs. object-oriented programming in Swift, using a laundry service analogy to explain benefits.
A Swift guide on extracting PKCS7 containers from receipts using OpenSSL for validation.
A guide on creating calendar events using Event Kit and Swift in iOS development.
A Swift cheat sheet for working with NSDate, NSDateFormatter, and NSDateComponents, including code examples.
Troubleshooting a JSON parse error in PFCloud due to incorrect Parse Server URL configuration.
Explores when to use Swift protocols versus passing functions directly, with insights from Rob Napier's talk.
Tutorial on listing calendar events in iOS using Event Kit and Swift, including querying with NSPredicate.
Step-by-step guide to deploying Parse Dashboard on cloud hosts like Azure or Heroku.
