On Nov 2, 2012, at 12:24 AM, Rick Mann <rm...@latencyzero.com> wrote:
> My somewhat older project has a couple of userInfo entries on each of the
> attributes in the Core Data model:
>
> com.apple.syncservices.AutomaticResolutionPolicy = {
> PreferredClientType = app;
> PreferredRecord = Truth;
> }
> com.apple.syncservices.ExcludeFromDataChangeAlert = NO
>
> Where did these come from? I don't seem to be able to set them on a new
> project (Xcode either crashes or won't save them, rdar://12622184).
Those look like Sync Services properties. Sync Services was a way of
synchronizing data between applications and computers back in the days when PCs
were still peoples' digital hubs. In Leopard (I think) Apple added the option
to directly sync a CoreData database with Sync Services, greatly simplifying
the sync client logic you'd normally have to write to sync data with Sync
Services. Sync Services was deprecated in favor of iCloud in Lion. Anyway, you
can ignore these properties if your project doesn't use Sync Services.
Nick Zitzmann
<http://www.chronosnet.com/>
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