What I haven’t mentioned before is a guide on diagnosing those common undefined Objective-C errors characterized by the annoying EXC_BAD_ACCESS messages that works with the debugger in Xcode 4.
Matthijs Hollemans has written a great guide where he debugs an example project using the debugger in Xcode 4 covering how to set up breakpoints, analyze memory contents, use assertions, stepping through an app, and more.
Great stuff if you’re new to Objective-C development with Xcode, or struggling to find where all the basic debugging tools are in Xcode 4 vs Xcode 3.
Added to the Xcode 4 tutorial page.
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