Re: Working if Cocoa Core Data
Re: Working if Cocoa Core Data
- Subject: Re: Working if Cocoa Core Data
- From: "Thiago Rossi" <email@hidden>
- Date: Wed, 18 Jun 2008 19:56:50 -0300
An idea… If the transaction object knows the previous one, the get balance
method would return the current transaction amount +++plus the previous
transaction (if it is not nil). It would be more than an array, but a list…
But in core data it is not that simple, I guess.
On Wed, Jun 18, 2008 at 7:52 PM, Thiago Rossi <email@hidden>
wrote:
> It was not that clear on the tutorial. =)
> I was studying Objective C and I had started to implement the classes of my
> project by hand when I saw that tutorial about Core Data. That was when I
> moved my "DTO" to Core Data. I think I have to make them by hand.
>
> And about the amount/balance and so on… I think I was misunderstood. What I
> wanted is not a sum of all of my transactions. But, when I saw all of my
> transactions of an specific account, it shows the "evolution"øæ of my
> account…
>
> Quincey understood me rightly. I don(R)'t know what OT means, but I got his
> point and agree with him. :)
>
> Thanks all for the support.
>
> I know it is just a beginner doubt and that I was supposed to have gone
> deeper on the subjects, but just starting… My first Mac came just a few
> months ago!
>
> Hamish, thanks for the link! Very helpful.
>
>
> On Wed, Jun 18, 2008 at 3:47 PM, I. Savant <email@hidden>
> wrote:
>
>> > Can anyone please help me?
>>
>> No. At least not at present. There have been many discussions
>> (several very long ones recently) about the fact that - as stated in
>> the documentation - Core Data is most emphatically NOT a beginner
>> technology. Any effort spent trying to help you run before you can
>> crawl will be massive and fruitless.
>>
>> Core Data, Bindings, etc. need to be approached only *after* you've
>> become comfortably familiar with Cocoa, its frameworks, and its design
>> patterns.
>>
>> --
>> I.S.
>>
>
>
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