Questions tagged [unwrap]
181 questions
-1
votes
2 answers
How to unwrap programmed UIButton (swift4)
I am trying to create a button using programmed constraints. I am trying to not use the storyboard. I am having trouble unwrapping the button. How do I do this?
import UIKit
var aa: [NSLayoutConstraint] = []
class ViewController: UIViewController…
user8105388
-1
votes
2 answers
How can I safely unwrap deeply nested values in a dictionary in Swift?
I understand how to print the values of upper level things such as the value of "email" or the value of "name" but how would I safely unwrap the dictionary to print a deeper nested value such as the value of "url"?
Jason Park
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votes
1 answer
How to unwrap the optional value
I have a method like this:
internal func handlePan(_ sender: UIPanGestureRecognizer) {
if (sender.state == .began) {
let initialPanPoint = sender.location(in: collectionView)
findDraggingCellByCoordinate(initialPanPoint)
}…
user1960169
- 3,533
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- 61
-1
votes
1 answer
How to unwrap the content value from XML in Objective-C
I'm receiving correctly in XML file the value in debug.
- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
LogDebug(TAG_SETTINGS, @"Provisioning file downloaded, %lu bytes", (unsigned long)[self.provisioningData length]);
…
Steven
- 762
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- 27
-1
votes
4 answers
Why cant I unwrap a UserDefault type string? [Swift 3.0 - Xcode 8]
I've stored data sent back by delegate as a user default and I'm trying to prepare it to send in a segue. I am able to send it in a segue, the problem I'm having is the data comes out in the form "optional[Data]" I know what optional means, but it…
Dan.code
- 431
- 2
- 14
-1
votes
2 answers
swift3 How to remove Optional
this is my code:
func uplouadPost() {
// shortcut to data to be php
let parseJSON = UserDefaults.standard.value(forKey: "parseJSON") as?
NSDictionary
let userID = parseJSON!["userID"] as! String
....
if error == nil {
…
Ding
- 11
- 1
- 3
-1
votes
1 answer
jquery insert new open close div
I have some menu loop coding, how to insert some div before start loop, and after end loop. I was try with .prepend but not working.
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