Interface Builder not Seeing Images

Ran into a problem where IB was not seeing any images that I added to my project. I had done some renaming of things to work better with my git repo structure and it seems that IB doesn't like you changing the capitalization of the project folder.

Go figure.

Unexpected nil values in Core Data

I had a head scratching few minutes the other day.

Using Core Data for the first time on the iPhone and had set a default value for a string field on an object that was accessed via a relationship from another entity.

Every time a queried it via KeyPath I would get a nil value. The solution would have been obvious had I not been in the mind set that I was doing something wrong wrt to Core Data.

Turns out I was not instantiating the sub object when I created the main object I was working from.

Tasting *tasting = (Tasting *)newManagedObject;

NSEntityDescription *wineEntity = [NSEntityDescription entityForName:@"Wine" inManagedObjectContext:managedObjectContext];

tasting.wine = [[Wine alloc] initWithEntity:wineEntity insertIntoManagedObjectContext:managedObjectContext];

Adding that last line was the trick. Duh.