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 PROTECTED]> 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 PROTECTED]> > 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. >> > > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
