You have a bug where a screen backed by Core Data adds an item but the list never updates. Where is that bug most likely coming from?
An FRC listens for change notifications from its context and refreshes the list, so the bug is a missing save, an insert into a different context with no merge configured, or a missing FRC delegate or performFetch().
PersistenceMultiple choiceBasics
On a Core Data list screen, what does NSFetchedResultsController do, most precisely?
#core-data #nsfetchedresultscontroller
PersistenceShort answerIntro
A new iOS project has to store a favorites list, the login session, downloaded PDFs, and…
#core-data
PersistenceShort answerBasics
Which requirements push you to Core Data (or SwiftData) instead of UserDefaults or a…
#core-data
PersistenceMultiple choiceBasics
This is a news app on Core Data. You fetched an Article on a background context…
#core-data