蔓藤图饰
发表于 2025-3-28 17:01:12
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follicular-unit
发表于 2025-3-28 22:23:53
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托人看管
发表于 2025-3-28 22:56:09
Protocols,you implement only the methods you want to respond to. For the NSNetServiceBrowser delegate in Chapter 12, we implemented only the two methods that get called when a new service is added to or removed from the network: we didn’t have to implement the six other methods in the NSNetServiceBrowserDeleg
卧虎藏龙
发表于 2025-3-29 06:14:47
Introduction to the AppKit,ut to the console. That’s fine for getting your feet wet, but the real fun begins when you see a Mac- like interface that includes things you can click and play with. We’ll take a detour in this chapter to show you some highlights of the Application Kit (or AppKit), Cocoa’s user- interface treasure
Hyperplasia
发表于 2025-3-29 09:14:01
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Explicate
发表于 2025-3-29 15:10:30
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赏心悦目
发表于 2025-3-29 17:48:49
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Cardioversion
发表于 2025-3-29 21:31:56
Composition,on to combine objects so they can work together. In a typical program, you’ll use both inheritance and composition when creating your own classes, so it’s important to have a good handle on both concepts.
任命
发表于 2025-3-30 02:51:01
More About Xcode,roduce you to some Xcode editor tips and tricks that are useful when you’re writing and navigating your code and locating information you need. We’ll also touch on some ways Xcode can help you debug your code.
痛苦一下
发表于 2025-3-30 07:34:12
Properties,retain the new one and release the old one. There are utilities out there that will turn your class definition into method declarations and definitions that you can paste into your files. But still, writing accessor methods is a lot of mindnumbing work that can better be applied to doing the cool stuff that’s unique to your program.