[B! swift][core data] kenzan8000のブックマーク

kenzan8000 id:kenzan8000

swiftとcore dataに関するkenzan8000のブックマーク (7)

Showcase app data in Spotlight - WWDC21 - Videos - Apple Developer
kenzan8000 2021/07/06
Discover how Core Data can surface data from your app in Spotlight and how to make that data discoverable in Spotlight search. Customize how it is presented to people on device.

core data

swift

spotlight
リンク
https://obscuredpixels.com/combining-core-data-with-generics
kenzan8000 2021/06/05
example implementation of core data using combine and generic

core data

combine

swift

generic
リンク
The @FetchRequest property wrapper in SwiftUI
kenzan8000 2021/04/19
@FetchRequest property wrapper. There is an interface @FetchRequest(fetchRequest: NSFetchRequest<NSManagedObject>) as well.

swift

core data

SwiftUI
リンク
Responding to changes in a managed object context – Donny Wals
kenzan8000 2021/02/07
responding to the core data changes by notification when working with multiple managed object contexts

core data

db

swift
リンク
Observing changes to managed objects across contexts with Combine – Donny Wals
kenzan8000 2021/02/05
a notification center publisher and a cleverly placed compactMap to build a pretty advanced managed object observer that allows you to see when changes to a specific managed object were merged into a specific context.

core data

combine

swift

generic
リンク
Understanding the differences between your Core Data model and managed objects
kenzan8000 2021/02/01
core data is internally sqlite so boolean value is dealt as integer value since sqlite doesn't have boolean value. core data implementation is internally objective-c. objective-c deals with object as optional type (nil) but cannot deal with primitive as optional type.

core data

swift

objective-c

db
リンク
Why does insertNewObjectForEntityForName only return a NSManagedObject?
I'm trying to move some RubyMotion code to Swift. So far it works. What I do not understand is why the following result can't be casted to the Document class: var newObject : NSManagedObject NSEntityDescription.insertNewObjectForEntityForName("Document", inManagedObjectContext:context) as NSManagedObject The insertNewObjectForEntityForName call returns an object of type NSManagedObject. But why do
kenzan8000 2015/05/15
Make sure you set the class name of you entity in the object model. The format is YourAppModule.YourClassName.

swift

core data
リンク
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