Julien questions

Julien answers

• UIViewController.navigationController becomes nil
• Save a completion handler as an object
• How to programmatically detect if the iCloud is enabled on user's device when only use NSUbiquitousKeyValueStore?
• iCloud doesn't work first time app is launched
• How to access QuickLook plugin resources?
• NSNumber numberWithFloat vs Init and alloc
• Objective-C inheritance; calling overridden method from superclass?
• NSUndoManager: redo not working
• Wait for existing iCloud values before setting a value?
• Prefer my QuickLook plugin