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The State of Apple's Developer Documentation
It appears that most of the old iOS conceptual documents have been moved to the documentation archive and are now unsupported.
Michael Tsai
The first principle is that you must not fool yourself—and you are the easiest person to fool.
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2
APFS does not normalize Unicode filenames
“iOS HFS Normalized UNICODE names, APFS now treats all files as a bag of bytes on iOS. We are requesting that Applications developers call the correct Normalization routines to make sure the file name contains the correct representation.”
3
SwiftUI in 2022
Even if you already know a bit (or a lot) of SwiftUI, Stanford’s course is incredible, amazing, wonderful, AND FREE!
4
Catching Native Apps
If you imagine a world where the sum of all things you can do with a computer is exactly matched, and locked down for all time with what you can do inside a browser, then the arguments for the web are persuasive. Why write for a specific platform when you can write for all platforms at once and gain the other…
5
System memory allocator free operation zeroes out deallocated blocks in iOS 16
The system memory allocator free operation zeroes out all deallocated blocks in iOS 16.1 beta or later. Invalid accesses to free memory might result in new crashes or corruption, including NULL -pointer dereferences and non-zero memory being returned from calloc .
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iOS 12: Core Data External Binary Data Storage Becomes Corrupt
On iOS 12, binary data stored in Core Data with the External Storage option gets corrupted/goes missing on every second save of the context.