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olxios / AverageValue.swift

Last active November 29, 2016 12:55

Average array value

	// Swift 3

	let testArray: [Double] = [15.67, 9.87, 4.56, 3.45, 3.45, 8.76, 6, 1, 20.11]
	let average: Double = (testArray as NSArray).value(forKeyPath: "@avg.self") as! Double

	print("Average \(average)")

olxios / NotificationView.m

Last active November 29, 2016 13:23

Using NSNotificationCenter with UIView subclass: http://swiftiostutorials.com/quick-tip-adding-removing-nsnotificationcenter-observers-uiview-subclass/

	@implementation TestView

	#pragma mark - Observers

	- (void)didMoveToWindow
	{
	if (self.window) // If self.window != nil, it means view was added to the window
	{
	[[NSNotificationCenter defaultCenter] addObserver:self
	selector:@selector(test:)

olxios / NotificationView.swift

Last active June 21, 2019 10:58

Using NotificationCenter with UIView subclass: http://swiftiostutorials.com/quick-tip-adding-removing-nsnotificationcenter-observers-uiview-subclass/

	// Swift 3

	import UIKit

	class TestView: UIView {

	// MARK: Observers

	override func didMoveToWindow() {