I m trying to figure out how to concatenate attribute names. I have a county and a district attribute that I want to query like
In my core data db, every item has a string id which is an url to indicate whom this item belongs to.
I have 2 entities: Performance.start (NSDate)Location.coordinates Performance.end(NSDate)Location.name_extern
I would like to remove the brackets and quotes when it displays in textfield. I am using NSPredicate to get the contents that I want.
I am currently using NSPredicate to search if a certain key has a certain value in plist, if it matches, I want it to display one of the values in the dictionary, not the entire dictionary, but the wa
I am very new to CoreData and would like to do something like this. I have 2 Entities Cave.titleCondition.date
I\'m working with an app using CoreData. I have a simple structure: Name Lastname I need to update an entry so I do:
I have a NSFetch that searches for objects in the Superclass which works fine.There are 4 subclasses.I want to have it search for 3 out of the 4 subclasses instead.One of the 4 subcl开发者_运维问答ass
I have a T开发者_如何学JAVAableView filled with NSArray containing NSString names of some contacts from address book, in detailTextLabel of cells some information from that contact have to be shown. F
This is the structure of my class ContentItem @interface ContentItem : NSObject { //properties of this class