Re: Question about MVC
Re: Question about MVC
- Subject: Re: Question about MVC
- From: Michael de Haan <email@hidden>
- Date: Fri, 18 Dec 2009 12:12:09 -0800
Thanks Jens,
I thought it was something like that.
On Dec 18, 2009, at 9:21 AM, Jens Alfke wrote:
>
> On Dec 18, 2009, at 7:37 AM, Michael de Haan wrote:
>
>> So, why would one not simply use an NSMutableArray and simple add or delete model objects. I suspect part of the answer is that assigning a new array allows easier use of KVC but I am not sure as this is not specifically explained.
>
> I haven't seen the code, but this is probably because of observing. It's more work to send out KVO notifications when a mutable-array property is mutated; you have to do it manually before and after the change, unless you use some weird tricks using a fake proxy mutable array.
>
> —Jens
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