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23 Oct 2017 Core Data is one of the most popular frameworks provided by Apple for iOS and macOS apps. Core data is used to manage the model layer24 Feb 2017 A nice Playground to learn about NSPredicate in Swift - dfreniche/NSPredicate-Swift. 25 Dec 2017 10 Nov 2017 15 Jul 2013 NSPredicate is a Foundation class that specifies how data should be fetched or filtered. SwiftObjective-C .. Finally, if you just can't be bothered to learn the NSPredicate format syntax, you can go through the motions with 4 Mar 2015 NSPredicate Cheatsheet. by Realm Download PDF. supported templated for predicate, checks if the value of key name is in $NAME_LIST. But it is in Objective-C. While I plan on learning Objective-C in the near to reading Swift but the syntax of the predicate construction itself is Predicates are one of the most powerful features of Core Data, but they are actually useful in lots of other places too so if you master them here you'll learn a 3 Jun 2016 [NSPredicate predicateWithFormat:@"name contains[c] %@", searchText]; In Objective-C, NSString literals look like @"" , but in Swift we just use quotation NSPredicate. A definition of logical conditions used to constrain a search either for a fetch or for in-memory filtering. SDKs. iOS 3.0+; macOS 10.4+; tvOS 9.0+