Finally we can solve this problem easily using JSONModel. This is the best method so far. JSONModel is a library that generically serialize/deserialize your object based on Class. You can even use non-nsobject based for property like int, short and float. It can also cater nested-complex JSON. Considering this JSON example: { “accounting” : [{ … Read more
For NSArray use -containsObject:: if (![myarray containsObject:someObject]) { // … }
NSArray * values = [dictionary allValues];
__NSArrayI is a code-word for an immutable array – that is, a “regular” NSArray which you cannot change. __NSArrayM is a code-word for a mutable array – that is, NSMutableArray. In NSMutableArray, you can add and remove items.
In Swift 1: stop.withUnsafePointer { p in p.memory = true } In Swift 2: stop.memory = true In Swift 3 – 4: stop.pointee = true
Try [NSPredicate predicateWithFormat:@”title ==[c] ‘on call'”]; (The [c] makes the equality comparison case-insensitive.)
You can get a list of countries using the NSLocale class’s isoCountryCodes which returns an array of [String]. From there, you get the country name by using NSLocale‘s displayName(forKey:) method. It looks like this: var countries: [String] = [] for code in NSLocale.isoCountryCodes { let id = NSLocale.localeIdentifier(fromComponents: [NSLocale.Key.countryCode.rawValue: code]) let name = NSLocale(localeIdentifier: “en_UK”).displayName(forKey: … Read more
This does the trick: [myMutableArray replaceObjectAtIndex:index withObject:newObject];
@KennyTM and @David are correct, but your code is potentially wrong. Here’s why: When creating an NSArray with objects, it will retain the objects put into it. In the case of blocks, it’s using the Block_retain function. This means that the array has retained the blocks that you created, but that live on the stack … Read more
The following code should help you resolve your problem: import UIKit class ViewController: UIViewController { var food: [String] { get { if let returnValue = NSUserDefaults.standardUserDefaults().objectForKey(“food”) as? [String] { return returnValue } else { return [“muesli”, “banana”] //Default value } } set { NSUserDefaults.standardUserDefaults().setObject(newValue, forKey: “food”) NSUserDefaults.standardUserDefaults().synchronize() } } override func viewDidLoad() { super.viewDidLoad() print(food) … Read more