Is there any difference between dataWithContentsOfURL (threaded) and dataTaskWithURL?

Question

We\'re using dataWithContentsOfURL because it is, uh, simple...

NSData *datRaw = [NSData dataWithContentsOfURL:ur];

Now, of course, that will h

Answer 1

One reason to prefer true async io over threaded synchronous io is that threads are not free memory-wise. It's not a huge deal in general but you can save a little memory in your app and (more importantly) a little wired memory in the OS's kernel by not keeping a thread sitting around doing nothing while it waits.