In the context of an NSOperation object, which runs in an NSOperationQueue, the terms concurrent and non-concurrent do not necessarily refer to the side-by-side execution of threads. Instead, a non-concurrent operation is one that executes using the environment that is provided for it while a concurrent operation is responsible for setting up its own execution environment.
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Connection did receive response Connection did receive data Connection fail with error Connection did finish loading
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Objective-C is a very dynamic language. Its dynamism frees a program from compile-time and link-time constraints and shifts much of the res...
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Object-oriented concepts don’t work well with structs and enums: a struct cannot inherit from another struct, neither can an enum inherit...