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How to read / write data in background using NSFileHandle

Can someone (with sample code) tell me how to keep reading / writing data in the background using NSFileHandle. Also, how to open a socket between common parties? Thanks in advance...

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This does not apply to NSFileHandle, but you probably need to use NSOperationQueue. If so, you can see "LazyTableImages" from the sample Apple code.

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Source: https://habr.com/ru/post/1334044/

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