Re: Disappearing prefs
Re: Disappearing prefs
- Subject: Re: Disappearing prefs
- From: Quincey Morris <email@hidden>
- Date: Mon, 12 Apr 2010 11:20:04 -0700
On Apr 12, 2010, at 10:21, Eric Long wrote:
> This a Hail Mary pass...
>
> I have a bizarre bug. Perhaps someone has a hunch about what's going on.
>
> My application prefs file, which is managed with NSUserDefaults, is getting
> reset to default values, but so far only on a PPC running 10.5.8 and only
> during the wee hours of Monday mornings. (Go figure)
I can't resist trying a Hail Mary answer. If I'm right can I have a million dollars, please?
One possibility to consider is messaging a nil object. That's normally safe (you get a reliable return value of 0/nil/NULL). But if the method return value is a *structure*, the return value is unpredictable. (And, yes, I learned this the hard way. Even though I already knew it.)
One thing that I *think* is different about PPC is the set of rules for how structures are returned (depending on how big they are, and whatever other factors).
So, sending a structure-returning message to a nil object may fail differently on PPC, but differently in a repeatable way, perhaps.
Or not.
Message me off-list about where to send the million dollars, ok?
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