I can’t seem to figure out how to solve this error. I’m getting it from this line:   let allImageDirectories = try! fileManager.contentsOfDirectory(atPath: documentDirectory)       Full Function:       func createArrayData()->[FolderCell]{                     var folderCells: [FolderCell] = []                     let documentDirectory = FileManager.default.urls(for: .documentDirectory,…

Hi, I have done some changes to my project (see link for more info). As a consequence of this, I´m having trouble writing data to Firebase.   I have this Struct: struct CartItem {     var name: String = “”     var count = Int()…

class SomeClass {      var dates: [Date] {           get {                return ckRecord.object(forKey: “dates”) as! [Date]           }           set(newDates) {                ckRecord.setObject(newDates as! CKRecordValue, “dates”)           }      } }       In the previous code, how do I write code in the get…

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By Bob Thome, Vice President of Product Management for Oracle Database Engineered Systems and Cloud Services  I recently read some interesting blog posts on the driving forces behind many of the today’s IT innovations. One of the common themes was the realization that sometimes purpose-built engineering…