You can print two dictionaries separately. If their output data formats are consistent, we can ignore the different internal processing.
I don’t have a test machine of iOS8 at hand, so I can only guess the reason now. The data (length) returned twice are inconsistent. The system library uses different internal processing methods because of the inconsistent data (length).
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Try changing options to NSJSONReadingMutableContainers
You can print two dictionaries separately. If their output data formats are consistent, we can ignore the different internal processing.
I don’t have a test machine of iOS8 at hand, so I can only guess the reason now.
The data (length) returned twice are inconsistent. The system library uses different internal processing methods because of the inconsistent data (length).