vlondon

let mList = "[{\"content\":\"hello\"},{\"content\":\"hi\"},{\"content\":\"how are you?\"}]"
let JSONData = mList.dataUsingEncoding(NSUTF8StringEncoding)!
var json: Array<AnyObject>!
do {
    json = try NSJSONSerialization.JSONObjectWithData(JSONData, options: NSJSONReadingOptions()) as? Array
} catch {
    print(error)
}

var resultArray = [String]()

vlondon

IE 7/8/9/10/11 Virtual machines from Microsoft

Linux installation notes (tested under Ubuntu 14.04LTS/12.04LTS), assuming VirtualBox is already installed on host.

• Install notes
• Available images
  • IE7 - Vista Enterprise
  • IE8 - XP
  • IE9 - Win7
  • IE10 - Win7
  • IE10 - Win8

vlondon

func convertImageToGrayScale(image: UIImage) -> UIImage {
    // Create image rectangle with current image width/height
    let imageRect: CGRect = CGRectMake(0, 0, image.size.width, image.size.height)
    
    // Grayscale color space
    let colorSpace: CGColorSpaceRef = CGColorSpaceCreateDeviceGray()
    
    // Create bitmap content with current image size and grayscale colorspace
    let bitmapInfo = CGBitmapInfo(CGImageAlphaInfo.None.rawValue)
    var context = CGBitmapContextCreate(nil, UInt(image.size.width), UInt(image.size.height), 8, 0, colorSpace, bitmapInfo)