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Hey guys, so ever since Xcode’s last update, I’ve been having troubles creating IBOutlets and connected IBActions. For some reason, if I create an IBAction, the object says its connected, but if I put any sort of code in the IBAction, it won’t work. and…
I would like to convert a timestamp posted in firebase to readable data. I am able to read the timestamp, but not able to convert it, or append it to an array. This is my progress:
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func getOrderDates() { let uid = Auth.auth().currentUser!.uid let orderDateHistoryRef = Database.database().reference().child("users/(uid)/Orders/") orderDateHistoryRef.observeSingleEvent(of: .value, with: { (snapshot) in let value = snapshot.value as? NSDictionary if let orderDate = value?["Date"] as? [Int:String] { self.orderDateHistoryArray += Array(orderDate.values).map{ Date(timeIntervalSince1970: TimeInterval($0/1000))} // This fails. Error: "Binary operator '/' cannot be applied to operands of type 'String' and 'Int'" print(orderDate) } self.tableView.reloadData() // ... }) { (error) in print(error.localizedDescription) } } } |
The print(orderDate) statement prints correctly: …
Hi Everyone.. After updating from app store shows blank white screen in iOS 12.1 but after deleting and reinstalling the app from app store works fine. As I cannot share the code, logic implemented in App Delegate includes : 1) On first time, app waits…
see this first : https://developer.apple.com/documentation/foundation/nskeyedunarchiver/2963379-unarchivedobject if I were to try to call this function:
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@nonobjc static func unarchivedObject(ofClasses classes: [AnyClass], from data: Data) throws -> Any? |
what is Swift expecting to see where it says : [AnyClass] ? currently I have :
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NSKeyedUnarchiver.unarchivedObject(ofClasses: [BKControlProps], from: data) |
(where BKControlProps is a class type) … and that’s not right.…
Hi there, i have following json data which i am getting from server:
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{ "exams": [ { "examID": "EX0000018", "startDatetime": "2018-08-06T11:00:00", "endDatetime": "2018-12-25T02:00:00", "category": "SP001", "examName": "Terminal-1", "examCode": "Terminal-1", "batch": "JUN-2014", "course": "GMBA", "subject": "FINANCE", "duration": 3, "fullMarks": 100, "downloadLink": "EX0000018.zip", "semester": "1", "program": "CO0000001", "specialization": "SP001", "examType": 2, "resultType": 2, "schoolID": "BS00001", "examScheduleID": "ES000000025", "questionPaperID": "QP000000024", "instructionID": "EI000000004", "batchID": "BA000000001", "courseID": "CO0000001", "subjectID": "SB00008", "passMark": null, "createdBy": "LU000000019", "createdOn": "2018-08-07T13:19:07", "updatedBy": "LU000000019", "updatedOn": "2018-08-07T13:19:07" }, { "examID": "EX0000019", "startDatetime": "2018-08-17T06:45:00", "endDatetime": "2018-12-25T02:00:00", "category": "SP001", "examName": "Final Term-3", "examCode": "Final Term-3", "batch": "JUN-2014", "course": "GMBA", "subject": "FINANCE", "duration": 3, "fullMarks": 60, "downloadLink": "EX0000019.zip", "semester": "3", "program": "CO0000001", "specialization": "SP001", "examType": 2, "resultType": 2, "schoolID": "BS00001", "examScheduleID": "ES000000026", "questionPaperID": "QP000000025", "instructionID": "EI000000004", "batchID": "BA000000001", "courseID": "CO0000001", "subjectID": "SB00008", "passMark": null, "createdBy": "LU000000019", "createdOn": "2018-08-07T13:37:41", "updatedBy": "LU000000019", "updatedOn": "2018-08-07T13:37:41" } ], "eotp": [ { "mappingID": "EM000000161", "studentID": "ST000000195", "examID": "EX0000018", "examDone": 0, "answerID": "ST000000195_EX0000018", "otp": "874059", "metaData": "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", "ansConfirmation": "143059", "qpDownloaded": 0, "roomID": "0", "seatNo": 0, "invigilatorID": "0" }, { "mappingID": "EM000000168", "studentID": "ST000000195", "examID": "EX0000019", "examDone": 0, "answerID": "ST000000195_EX0000019", "otp": "458362", "metaData": "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", "ansConfirmation": "630427", "qpDownloaded": 0, "roomID": "0", "seatNo": 0, "invigilatorID": "0" } ] } |
The json object is strored in an boject like this:
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let responseJSON = try JSONSerialization.jsonObject(with: data) if let response = responseJSON as? [String: Any], response.count == 2 { //response is the object |
The json data has two keys and i want to work with the first key that is “exams” key.…