NSZombie memory tracking

Use NSZombie for tracking memory errors.  You use it by setting the access

Go to Project -> Edit Active Executable 

Click Arguments 

Click + in the "Variables to be set in the environment" section 

Enter NSZombieEnabled in the Name column 

YES in the Value column. 

Make sure the checkmark for the NSZombieEnabled entry is checked.

This will allow you to see retain counts & deallocated objects