Cocoa Binding practical tutorial

First of all, this is not a new technology,It's very old,So old that almost no one mentions it。

This is a product of Apple's MVC model,It was born when there was no iPhone,It is used in conjunction with the Xcode graphical setting interface-such as NIB,of course,Now it has become XIB,Oh,And storyboard。

Now if you want to bind one[……]

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