Category "core-data"

How to sum the numbers(Int16) of stored core data - Swift 3

I have stored the letters(String), numbers(Int16) and Date(Date) in the core data. And the filter(NSPredicate) succeeded in organizing only the necessary data.

How to set a custom store URL for NSPersistentContainer

How can I set a custom store.sqlite URL to NSPersistentContainer? I have found an ugly way, subclassing NSPersistentContainer: final public class PersistentCo

Core Data - can't set empty string as default value for attribute

I have an entity in my datamodel with a string attribute that is currently optional, and I'd like to convert this to a required attribute with a default value o

Class _PointQueue is implemented in both when I click on textfield... How can I resolve this issue?

I'm using xcode 13 and making a demo on coredata. objc[6188]: Class _PathPoint is implemented in both /Applications/Xcode.app/Contents/Developer/Platforms/iPhon