If you are picking up this book, it is because you want to level up the quality of the code you are producing. Regardless of the background and what type of work you are trying to achieve, testing is a prime indicator of solid software practices....
Core Data best practices by example: from simple persistency to multithreading and syncing
This book strives to give you clear guidelines for how to get the most out of Core Data while avoiding the pitfalls of this flexible and powerful framework....