NSIndexSet profile
NSIndexSet (and its modifiable subclass, NSMutableIndexSet) is an ordered, non-repeating set of integers. It looks a bit like NSRange with discrete integer support. It can...
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Category: objective-c
Objective – c primer
December 14, 2023
by Christina Webb-Murphy
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Objective-Objective-C is a strict superset of C -- any C program can go straight through the Objective-C compiler without modification, and it's perfectly legal to...
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The precedence (dependency) relationship in which iOS handles multiple network requests
December 14, 2023
by William Mendoza
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In iOS development, we often encounter the problem of multiple network requests. Sometimes, we need to request another network after the end of a network...
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Objective-C study notes
December 14, 2023
by Kirk Martin
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Init must first call the parent init method, and then assign the method's return value to slef2. Init may fail to initialize the object. If...
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Objective-C data storage ramblings
December 13, 2023
by Peter Gledhill
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NSKeyedArchiver: Archive data in the sandbox; NSUserDefaults: Save Preferences data in the Library/Preferences directory of the sandbox (essentially plist); Write: permanently stored on disk; Use...
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