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So i have been strugguling wit this for over a week now and i just cant seem to find the answer.I am working with core data and everything is fine until the point where i have to delete some entries. as soon as i fetch with a predicate and delete the object, it does delete it but the probleme is its deleting EVERYTHING in all other attributes of the same entity. can anyone help me with this ?AppDelegate * appDelegate = [[UIApplication sharedApplication] delegate]; NSManagedObjectContext * context = appDelegate.managedObjectContext; NSError *error = nil; NSNumber *n = [NSNumber numberWithInt:1]; NSFetchRequest *fetch = [[NSFetchRequest alloc] init]; fetch.entity = [NSEntityDescription entityForName:@LevelCoreData inManagedObjectContext:context]; fetch.predicate = [NSPredicate predicateWithFormat:@firstTime == %@, n]; NSArray *fetchedProducts=[context executeFetchRequest:fetch error:&error]; for (NSManagedObject *product in fetchedProducts) { [context deleteObject:product]; } [appDelegate saveContext];

Hi guys,We are helping a client to develop an app to teach their employees. It's a simple educational app.It's a big company and it would be over 9 thousand employees.My question is if this app is suitable exclusively to Enterprise program or would it be possible to place it in app store?This question was raised because this item on apple`s review guidelines: [https://developer.apple.com/app-store/review/guidelines/]2.22 Apps that arbitrarily restrict which users may use the App, such as by location or carrier, may be rejected

Hi,can someone please explain to me what those 'Allocation Types' mean in Instruments:All Heap & Anonymous VMAll Heap AllocationsAll VM RegionsSome big heap allocations in my app do only show up when I select 'All VM Regions'. Why do those allocations not show up under All Heap...?Any clarification would be appreciated,Gero Gerber

When I enrol myself for developer program of $99 as individual with my existing apple id I get big page ofwe are unable to process your requestAn unknown error occured

Hi everyone,i got a big problem with Safari on iOS 9: My web-app gets a file like a .csv with about 700kB.Since iOS 9 Safari crashes while reading it but not at the first row...here a little sample:http://langer.pro/BreakSafari/breakIOSSafari.htmlcan soneone tell me why that happend after the uppdate to iOS?my data variable only gets smaller.thanks to allMarcedit:and the problem is not in the data! There is also no Problem when the data are smaller.

We’ve added an IAP on our exclusive application for customers.It’s in the type of a non-renewing subscription.Basically, if the customers purchase our products, we will extend their subscription periods.The problem is that we can’t cancel the customers’ subscriptions when they cancel their purchases. Because we don’t know who did cancel it and who did not.Therefore, if someone purposely keeps to purchase and to cancel using different accounts, it will cause a big loss for our company.In order to avoid this problem, I would like to know a way to check the refund records.

Hi,some of my classes are gowing very big. I would like to use categories for code management. I would also like to override some methods like viewDidLoad inside the category and continue its implementation from there.Now in inheritance we can call [super viewDidLoad] to see to it that the actualy implementation of viewDidLoad is always called before the trailing part of the method is executed in out subclass.How can we ensure this in a category?