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What is TestFlightServiceExtension?

What is the process named TestFlightServiceExtension on my iPhone 6S, iOS 14.4? Is it safe?

• iOS
• iPhone
• Xcode
• TestFlight

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by kelin.

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How to compile minitar (libarchive) on iOS?

I need to unpack .tar.gz. Unfortunately, there is no built-in tool for that in iOS.Is it possible to copile a minitar example from libarchive (https://github.com/libarchive/libarchive/tree/master/examples/minitar) as a standalone library? I don't want to include the entire libarchive, due to it's size and complexity.

• Xcode

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by kelin.

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How to pass sparse matrices to MLModel?

I have a XGBoost.Booster which recieves a sparce matrix returned by FeatureHasher. There is no feature names. How to convert this type of model to CoreML and how to pass an array to that model?

• Core ML

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by kelin.

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Is NSJSONSerialization canonical?

It's not specified in the documentation. Do NSJSONSerialization output JSON in the canonical form?

• AppKit

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by kelin.

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