I see in some Apple's Cocoa examples that ivars are set to nil in the
dealloc method. The auto generated Core Data AppDelegate for new
projects is doing this for each ivar. Here is a simple example:
- (void)dealloc {
[appointments release];
appointments = nil;
[super dealloc];
}
why is it necessary to set the variable appointments (for instance) to
nil in this example? Should we do this for each variable? When have we
to do this?
Thanks,
Ferhat
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