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What are the three options we see in the debug console in Xcode? Just curious to know why there are three options? What purpose each option serve?

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Debugger output is stuff printed by the debugger itself, and target output is what is printed by your application (printf, NSLog, etc).

于 2013-03-31T03:28:55.073 回答
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Perhaps a read through of the Xcode User's Guide would do us all a little good tonight:

The Console Pane

The console pane displays program output and lets you enter commands to the debugger tool. You specify the type of output the console displays with the pop-up menu in the top-left corner of the console pane:

All Output displays target and debugger output.

Debugger Output displays debugger output only.

Target Output displays target output only.

于 2013-03-31T03:35:51.690 回答