Please note: this article is part of the older "Objective-C era" on Cocoa with Love. I don't keep these articles up-to-date; please be wary of broken code or potentially out-of-date information. Read "A new era for Cocoa with Love" for more. This post is about getting extra information from your program at runtime. Xcode and gdb both support a wide range of information access tools — but you need
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