StackOverflow2013

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20044346
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2013-11-18T09:33:37.737
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2013-11-18T09:44:23.957
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2013-11-18T09:44:23.957
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2540086
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20043904
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2
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-1
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text
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<pre><code>// Fetch objects with a predicate +(NSMutableArray *)searchObjectsForEntity:(NSString*)entityName withPredicate:(NSPredicate *)predicate andSortKey:(NSString*)sortKey andSortAscending:(BOOL)sortAscending andContext:(NSManagedObjectContext *)managedObjectContext { // Create fetch request NSFetchRequest *request = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:entityName inManagedObjectContext:managedObjectContext]; [request setEntity:entity]; // If a predicate was specified then use it in the request if (predicate != nil) [request setPredicate:predicate]; // If a sort key was passed then use it in the request if (sortKey != nil) { NSSortDescriptor *sortDescriptor = [[NSSortDescriptor alloc] initWithKey:sortKey ascending:sortAscending]; NSArray *sortDescriptors = [[NSArray alloc] initWithObjects:sortDescriptor, nil]; [request setSortDescriptors:sortDescriptors]; } // Execute the fetch request NSError *error = nil; NSMutableArray *mutableFetchResults = [[managedObjectContext executeFetchRequest:request error:&error] mutableCopy]; // If the returned array was nil then there was an error if (mutableFetchResults == nil) NSLog(@"Couldn't get objects for entity %@", entityName); // Return the results return mutableFetchResults; } </code></pre> <p>You can use this helper method with desired parameters.</p> <p>Update: After reading the comments. First you need something like this <a href="http://www.raywenderlich.com/934/core-data-tutorial-for-ios-getting-started" rel="nofollow">http://www.raywenderlich.com/934/core-data-tutorial-for-ios-getting-started</a> then you can use above method for fetching the items.</p>
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1. POhow to declare list of names in coreData and load that into an array?
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