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参照网络请求模型。 A DFD shows what kind of information will be input to and output from the system, how the data will advance through the system, and where th 阅读全文
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@objc and dynamic Objective-C runtime visibility and the depths of dynamic dispatch in the modern Swift era. 5 December 2017 ∙ Objective-C Interop ∙ w 阅读全文
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来自:https://github.com/onevcat/Kingfisher 任务计数模式 func testDownloadMultipleImages() { let expectation = self.expectation(description: "wait for all down 阅读全文
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Any class that does not inherit from another class is known as a base class. Swift classes do not inherit from a universal base class. Classes you def 阅读全文