| extension String { | |
| func times(count: Int, separatedBy separator: String = "") -> String { | |
| return Array(count: count, repeatedValue: self).joinWithSeparator(separator) | |
| } | |
| static func times(count: Int, repeatedValue s: String, separatedBy separator: String = "") -> String { | |
| return Array(count: count, repeatedValue: s).joinWithSeparator(separator) | |
| } | |
| } |
| API CODE: | |
| =========== | |
| GET api/:id/changes | |
| route.get("api/:id/changes", function() { | |
| queryMongoDB(USER_CHANGES).filter("id == %@", id, function(changesData) { | |
| queryMongoDB() | |
| import Foundation | |
| extension Array { | |
| func zipmap(key key: String, value: String, container: [AnyObject]) -> [[String:AnyObject]] { | |
| var result = [[String:AnyObject]]() | |
| let count = min(self.count, container.count) | |
| for i in 0..<count { | |
| var mapping = [String:AnyObject]() | |
| let k = self[i] as! String |
PS: If you liked this talk or like this concept, let's chat about iOS development at Stitch Fix! #shamelessplug
Speaker: David Abrahams. (Tech lead for Swift standard library)
"Crusty" is an old-school programmer who doesn't trust IDE's, debuggers, programming fads. He's cynical, grumpy.
OOP has been around since the 1970's. It's not actually new.
Classes are Awesome
| /* | |
| let myName = NSMutableAttributedString(string: " Hey, what's up!? ") | |
| let yellowOnBlack = Styles.textBackground(.redColor(), range: NSMakeRange(2, 3)) >>> Styles.textColor(.darkGrayColor()) | |
| let label = UILabel(frame: CGRectMake(10, 50, 200, 50)) | |
| label.attributedText = yellowOnBlack(myName) | |
| view.addSubview(label) | |
| */ | |
| import UIKit | |
| import Foundation |
| import UIKit | |
| class CopyableLabel: UILabel { | |
| override init(frame: CGRect) { | |
| super.init(frame: frame) | |
| userInteractionEnabled = true | |
| addGestureRecognizer(UILongPressGestureRecognizer(target: self, action: #selector(CopyableLabel.showMenu(_:)))) | |
| } | |
| private func mapValueToRange(value: CGFloat, largerRangeMin: CGFloat, largerRangeMax: CGFloat, targetRangeMin: CGFloat, targetRangeMax: CGFloat) -> CGFloat { | |
| let largerSpan = largerRangeMax - largerRangeMin | |
| let targetSpan = targetRangeMax - targetRangeMin | |
| // Scaled to 0-1 range. | |
| var scaleBy = (value - largerRangeMin) / largerSpan | |
| if scaleBy < 0 { scaleBy = 0 } | |
| if scaleBy > 1 { scaleBy = 1 } | |
| ///////////////////////////////////////////////////////////////////// | |
| // finding the height of your UITableView's current content: | |
| ///////////////////////////////////////////////////////////////////// | |
| let tableView = UITableView() | |
| func contentHeight(forTableView tableView: UITableView) -> CGFloat { | |
| let lastSectionIndex = tableView.numberOfSections - 1 | |
| let lastRowIndex = tableView.numberOfRowsInSection(lastSectionIndex) |
| extension UIColor { | |
| convenience init(hex: Int) { | |
| self.init(red: CGFloat((hex & 0xFF0000) >> 16) / 255.0, | |
| green: CGFloat((hex & 0x00FF00) >> 8) / 255.0, | |
| blue: CGFloat(hex & 0x0000FF) / 255.0, | |
| alpha: 1.0) | |
| } | |
| } |