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Re: Regarding MVC design pattern
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Re: Regarding MVC design pattern


  • Subject: Re: Regarding MVC design pattern
  • From: Sai <email@hidden>
  • Date: Tue, 18 May 2010 19:20:10 +0800

Hi all,

Thanks for your reply. I didn't retain that, I will try that as soon as I
get home.
Anyway, why I should retain that? Will it be released by "somebody"? Can
anyone tell me the whole process and what's going on please? I want to know
what happened. Thanks a lot.

On Tue, May 18, 2010 at 7:07 PM, Jack Nutting <email@hidden> wrote:

> On Tue, May 18, 2010 at 12:40 PM, Sai <email@hidden> wrote:
> > However, I declare a NSDictionary instance variable in my model object.
> This
> > NSDictionary instance
> > store some data I need. And I will create this NSDictionary instance by
> > invoking:
> > [NSDictionary dictionaryWithObjects:names forKeys:keys]
>
> Are you retaining that?
>
> - (id)init {
>  if (self = [super init]) {
>    // assuming you have an ivar called "dict", this will lead to the
> problem you define:
>    dict = [NSDictionary dictionaryWithObjects:names forKeys:keys];
>    // but this should work:
>    dict = [[NSDictionary dictionaryWithObjects:names forKeys:keys] retain];
>   }
> }
>
> --
> // jack
> // http://nuthole.com
> // http://learncocoa.org
>
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  • Follow-Ups:
    • Re: Regarding MVC design pattern
      • From: Uli Kusterer <email@hidden>
    • Re: Regarding MVC design pattern
      • From: Kyle Sluder <email@hidden>
References: 
 >Regarding MVC design pattern (From: Sai <email@hidden>)
 >Re: Regarding MVC design pattern (From: Henry McGilton <email@hidden>)
 >Re: Regarding MVC design pattern (From: Sai <email@hidden>)
 >Re: Regarding MVC design pattern (From: Jack Nutting <email@hidden>)

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