shadcn

// Creates a UIColor from a Hex string.
func colorWithHexString (hex:String) -> UIColor {
  var cString:String = hex.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceAndNewlineCharacterSet()).uppercaseString
  
  if (cString.hasPrefix("#")) {
    cString = cString.substringFromIndex(1)
  }
  
  if (countElements(cString) != 6) {
    return UIColor.grayColor()

zhengjia

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')