almostintuitive

Date,signal_VIX
2017-01-03 09:00:00,0.003
2017-01-03 10:00:00,0.027
2017-01-03 11:00:00,0.029
2017-01-03 12:00:00,0.023
2017-01-03 13:00:00,0.04
2017-01-03 14:00:00,0.037
2017-01-03 15:00:00,0.032
2017-01-03 16:00:00,0.065
2017-01-04 09:00:00,0.026

almostintuitive

date,signal_SPX
2017-01-03 03:00:00,0.06
2017-01-03 04:00:00,0.049
2017-01-03 05:00:00,0.057
2017-01-03 06:00:00,0.061
2017-01-03 07:00:00,0.065
2017-01-03 08:00:00,0.07
2017-01-03 09:00:00,0.048
2017-01-03 10:00:00,0.023
2017-01-03 11:00:00,0.005

almostintuitive

date,signal
2017-01-23 12:00:00,0.0025290647147308038
2017-01-23 13:00:00,0.01792521634432801
2017-01-23 14:00:00,0.03949901312436061
2017-01-23 15:00:00,0.06883784290493286
2017-01-23 16:00:00,0.08510666337189783
2017-01-24 03:00:00,0.08234855713144512
2017-01-24 04:00:00,0.07838499653023315
2017-01-24 05:00:00,0.08982481729935515
2017-01-24 06:00:00,0.08654481760879715

almostintuitive

let pan = UIPanGestureRecognizer()
let pinch = UIPinchGestureRecognizer()

let panStarted = pan.rx_event.filter { $0.state == .Began }
let panEnded = pan.rx_event.filter { $0.state == .Ended }

let pinchStarted = pinch.rx_event.filter { $0.state == .Began }
let pinchEnded = pinch.rx_event.filter { $0.state == .Ended }

// condition: when both pan and pinch ended

almostintuitive

var panPresent = false
var pinchPresent = false
var gestureTimer: NSTimer?
var secondsLeft = 3

func handlePan(panGesture: UIPanGestureRecognizer) {
  if panGesture.state == .Began && self.panPresent == false {
    self.panPresent = true
    self.checkIfBothGesturesPresent()
  } else if panGesture.state == .Ended {

almostintuitive

let pan = UIPanGestureRecognizer()
let pinch = UIPinchGestureRecognizer()

// Here, we want to create a signal that emits an event when the
// gesture has started.

// We can call .rx_event on UIPangestureRecognizer, and
// transform it's output into a signal, which then
// We can use filter to discard all other events!

almostintuitive

  func test1Imperative() {
    
    class Counter {
      var count: Int = 0 {
        didSet {
          realCount = count+1
        }
      }
      var realCount: Int = 0
    }

almostintuitive

extension NSHashTable: SequenceType {
  
  public func generate() -> AnyGenerator<AnyObject> {
    
    var array = self.allObjects
    var nextIndex = array.count-1
    
    return anyGenerator {
      if (nextIndex < 0) {
        return nil

almostintuitive

- (void)changeBackgroundColorBasedOnProgress:(float)progress {
    self.interactiveBackground.alpha = progress;
}


- (void)didMoveToSuperview {
    self.interactiveBackground = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width,  self.bounds.size.height)];
    self.interactiveBackground.backgroundColor = [UIColor flatGrayColor];
    self.interactiveBackground.alpha = 0;
    [self insertSubview:self.interactiveBackground atIndex:0];

almostintuitive

- (void)adjustViewBasedOnSwipeProgress:(float)progress {
    self.tableView.spring.alpha = progress;
    self.tableView.spring.center = CGPointMake(self.view.center.x*progress, self.view.center.y);
    self.postWebView.spring.center = CGPointMake(self.view.center.x+(self.view.bounds.size.width*progress), self.view.center.y);
}