The latest version of macOS Sierra adds a 'Show/Hide tab bar' menu item to the 'View' menu. It does this dynamically. My application already includes its own tab bar using the MMTabBarView libr...

I have an application based on NSDocument with an NSDocumentController subclass. My NSDocument works with both file URLs and URLs with a custom scheme which use a web service. I handle much of the...

Documentation simply states that setting setAutosavingDelay to anything > 0 on the shared doc controller should do it, but after calling [[NSDocumentController sharedDocumentController] setAutosa...