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Asked: 2026-06-02T15:32:52+00:00

I’m working on my first application, and I’m slowly learning the objective-c. But now

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I’m working on my first application, and I’m slowly learning the objective-c. But now I’m stuck. The application calculates the number of days between two dates, and so far so good. But now I would give the possibility to create groups of holidays which will go to escape from the total bill. I created two entities with a CoreData for the group and the other for the holidays of the group (see photo). How do I get the dates included in the code of my application to make the necessary calculations?
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1 Answer

  1. Editorial Team

    If you’re trying to calculate the distance between dates, use this.

    NSDate *date1;
NSDate *date2;
NSTimeInterval timeBetweenDates = [date2 timeIntervalSinceDate:date1];

    NSTimeInterval is just a #typedef for double.

    If you are trying to make other calculations, please give some examples.

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