我已經寫了下面的斷言,但它崩潰下來的應用程序,原因是'Unable to parse the format string "(rootActivityId IN 12,13 AND (activityType == 3 OR activityType == 2)) OR (activityId IN 12,13 AND (activityType == 3 OR activityType == 2
我找不到一種方法使用NSPredicate字符串獲取數組中的第012項項目中的第個項目。例如: //You cannot touch or modify the code inside this method. You can only use the predicate string param to filter the array.
- (NSArray *)filterUsingNSPr
你好我正在swift上工作。我需要知道如何找到匹配確切字符串的結果。這裏是我的代碼 let userID: String = String(sender.tag)
// Create a Predicate with mapping to trip_id
let filterByRequest: NSPredicate = NSPredicate(format: "%K.%