On Jan 31, 2012, at 5:42 PM, Eeyore wrote:

> Even if you eventually decide to use weak references (after discovering the 
> retain/release calls are a drag on performance), making them strong 
> references now to see if that fixes the behavior can help you diagnose the 
> problem


FYI, using weak references doesn't necessarily avoid retain/release pairs. At 
best it returns to you nil when you would have otherwise gotten an object that 
was invalid instead.
--
David Duncan

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