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objective-c multi-dimensional array
    I want to use a variable-sized multi-dimensional array in my app to save data. The data structure I want to ... I can implement in objective-c? See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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objective-c - global variables
    How do I declare a variable in the main.m file so that it is available in all the classes? If I ... object like this? @public type variable; See Question&Answers more detail:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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