freesia

import UIKit

extension UIColor
{
	class func colorFromRGB( #r: Int, g: Int, b: Int ) -> UIColor
	{
		return UIColor( red: CGFloat(r) / 255.0, green: CGFloat(g) / 255.0, blue: CGFloat(b) / 255.0, alpha: CGFloat(1.0) )
	}
	
	class func brandColor() -> UIColor

freesia

self.yourImageView.image = [self.yourImageView.image imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
self.yourImageView.tintColor = [UIColor yourColor];

freesia

	if let alertController: AnyClass = NSClassFromString( "UIAlertController" )
	{
		// iOS 8: use UIAlertController
		let alert = UIAlertController( title: "", message: "", preferredStyle: .Alert )
		alert.addAction( UIAlertAction( title: "OK", style: .Default, handler: nil ))
		presentViewController( alert, animated: true, completion: nil )
	}
	else
	{
		// iOS 7: use UIAlertView

freesia

	func isValidEmail(testStr:String) -> Bool
	{
		let emailRegEx = ".+@([A-Za-z0-9-]+\\.)+[A-Za-z]{2}[A-Za-z]*"
		var emailTest = NSPredicate(format:"SELF MATCHES %@", emailRegEx)
		return emailTest!.evaluateWithObject(testStr)
	}

freesia

extension Array
{
	mutating func removeObject<U: Equatable>(object: U) {
		var index: Int?
		for (idx, objectToCompare) in enumerate(self) {
			if let to = objectToCompare as? U {
				if object == to {
					index = idx
				}
			}

freesia

func distinct<T: Equatable>( source: [T] ) -> [T] 
{
  var unique = [T]()
  for item in source 
  {
    if !contains( unique, item ) {
      unique.append( item )
    }
  }
  return unique