PersistenceAlibaba Group
ObjC runtime model mapping
In the Objective-C days, YYModel and MJExtension turned JSON into models and even handled NSCoding archiving from nothing but the class definition. Which runtime feature made that possible?
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PersistenceShort answerBasics
Legacy code saves model objects to a file with NSKeyedArchiver, and on recent OS versions…
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ArchitectureShort answerBasics
How does KVO in the Objective-C runtime detect property changes under the hood?
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Build and distributionShort answerAdvanced
A shipped app has a critical bug and you can't wait for App Store review. Why did Apple b…
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ConcurrencyShort answerAdvanced
You want a property that several threads can read at the same time while writes happen on…
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