I've always created my NSFetchRequests entirely in-code. Now I'm looking at the Xcode GUI for building a fetch request and storing it in the model. I'm following an example from the Xcode Document...

I have a predicate editor, which the template was generate via the following: NSArray * test = [NSArray arrayWithObjects: [NSExpression expressionForKeyPath: @"Abc"], [NSExpression expressionFo...

As far as I know NSPredicateEditor isn't available for iOS. But has anyone created something similar for iOS? I imagine it would be fairly difficult UI wise since the screen is much smaller but I ...

I would like to mimic the Finder's predicatesList. Especially the LeftExpressions popup with its "other" (in German: "Andere...") menu entry and like to popup a NSSheet with a user selectable list ...

An NSPredicateEditor can be set in compound mode, using the IB or in code [predicateEditor setNestingMode:NSRuleEditorNestingModeCompound]; The user can then hold the 'option' key to add another...

Bit of an issue with Xcode 4's predicate editor controls - I think I'm doing everything right, and it really seems like the IDE itself is busted. I'm having this issue in an app I'm writing, but to...

I'm building an NSPredicateEditor, and I want the ability to do advanced date comparison. I realize that I can build an NSPredicateEditorRowTemplate with a rightExpressionType of NSDateAttributeTy...