I just recently resumed work on a Cocoa project that I left a few months ago. Cocoa is a strange beast if you have not been using it for a while.
I\'m using a NSFetchedResultsController to implement KVO for my UITableView (which is obvious). What I can\'t figure out is, how to use multiple Entities - sort of a tree structure - to be present(ed)
I have the following set-up: A Window that has a splitView in which I display I NSCollectionView in the left view and a detailView in the right view. Both views are set-up in separate xibs. Furthermo
I\'ve been trying to employ what looks like a very clever KVO pattern that resolves a selector to a Method pointer that can be passed as the context.
What is the best way to store an NSTableView\'s settings (ideally leveraging its autosave capability) for each item in its parent NSTreeController? I\'m basically looking to reproduce the way iTunes s
I have an object that is interested in knowing when the region of a MKMapView is changed.This object is not the delegate of the map view, however.I\'m trying the following, where map is a MKMapView:
If I have some instance of a class, say a UIView or 开发者_运维问答subclass of it or just a simple subclass of NSObject, how can I get a list of the observable keypaths of that object?
I have a view.this view has a wheel in the middle.it also supports iAds and auto rotation.so whenever an ad pops in the top, or the device rotates, the wheel automatically repositions itself to the ce
I want to bind the scale of a CAConstraint so that a CALayer\'s width with respect to it\'s superlayer can indicate progress (of a QTMovie) based on a variable that I am updating in a scheduled timer
I am relatively new to KVO, so there is a good chance that I am violating some fundamental rule. I am using Core Data.
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