I have a binary data attribute in Core Data that depending on a situation gets assigned a value (its actually a voice recording) or not.
I am a newbie so any suggestions for the following problem I am having would be appreciated. I have an app where y开发者_如何学编程ou enter a number of items and then in a subsequent tableview, they
I want to make my app sync its SQLite Core Data store between devices using iCloud. Right now I let users manua开发者_JAVA百科lly sync their SQLite files using Dropbox, but that is cumbersome for user
We\'ve got some data coming into our app.Sometimes it will be saved, so we\'ve made an entity and a NSManagedObject subclass for it.Usually, though, the objects will be instantiated and never saved.I\
I\'m trying to learn how to use iCloud with coredata. My target is to sync a single database file on mac/ios. Both my mac and iOS apps seem to be updating iCloud as I can see it under System Preferenc
I have been looking at this forum on this topic for a while now and still don\'t have a clear picture of how to store images in Core Data successfully for Retina Display.
I saw in other posts that it is O.K to store small image files (less then 50 kb) as a bin开发者_JS百科ary data inside core data. is it true for sound files that are less then 20 kb?
When I store a date in CoreData as [NSDate date], it is saved -5:30 difference. In core data I used attribute type as date.
Sorry, this is going to be a little vague but here goes: I remember reading once that you should not do the following to traverse NSManagedObject relationships, as the cascading can end up with part
I was using transformable attributes and everything work fine instead of those warnings: 15.10.11 22:14:07,191 cdtool: CoreData: warning: no NSValueTransformer with class name \'ArrayToDataTransforme
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