Donny avatar

Hi, my name is Donny.

I'm a curious, passionate iOS Developer from The Netherlands who loves learning and sharing knowledge.

Check out my books

Practical Core Data image

Practical Core Data is for intermediate to advanced developers who want to learn more about Core Data. Whether you're new to Core Data, or tried using it years ago, you'll find that Practical Core Data introduces you to all the essentials to get you up and running with the framework.

Buy for $34,99

Practical Combine image

Practical Combine is a book aimed at intermediate to advanced developers who want to learn more about Apple's Combine framework. This book takes you all the way from the basics to building custom Combine publishers using Practical, useful examples that you can start using immediately.

Buy for $29,99

My Blogposts

Writings about my everyday coding problems, solutions and ideas