Andrew Bancroft — Experienced iOS developer, educator, and writer with 15+ years of experience, sharing clear, practical guidance on Swift, SwiftUI, iOS development, and data persistence to help developers succeed.
204 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 code examples and explanations.
Guide to creating a Core Data stack with backward compatibility for iOS versions before iOS 10.
A Swift tip on using URL extensions to access a user's documents directory, keeping code DRY and centralized.
A guide to 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.
Resolving Core Data ambiguous type/redeclaration errors in Xcode 8 by disabling auto codegen for NSManagedObject subclasses.
Fixing 'Spatial types and functions are not available' error in Entity Framework with SQL Server geospatial features.
Learn how to disable Xcode's verbose OS-level debug logging using an environment variable for a cleaner console.
Guide on using Core Data models in Swift Playgrounds, including setup, limitations, and step-by-step walkthrough.
Fixing 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.
Guide to extracting PKCS7 containers for receipt validation in Swift using OpenSSL.
Guide on creating calendar events using Event Kit and Swift, with code walkthrough and working project example.
A Swift cheat sheet for working with NSDate, NSDateFormatter, and NSDateComponents, including code examples.
Troubleshooting a JSON parsing error in Parse PFCloud due to incorrect server URL configuration.
Exploring when to use Swift protocols versus passing functions, with insights from Rob Napier's dotSwift 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 to cloud hosts like Azure or Heroku.
