Mark Aron Szulyovszky almostintuitive
almostintuitive
/ unravel_metrics.py
Created
January 27, 2026 16:18
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| # %% | |
| """ | |
| Standalone example using obstore to list and download parquet files from the Unravel data bucket. | |
| Path structure: | |
| bucket/metric_type/timestamp_type/interval/exchange=exchange/symbol=symbol/year=year/month=month.parquet | |
| Requirements: obstore, polars | |
| """ |
almostintuitive
/ functional-reactive-intuition-3-short.swift
Created
February 3, 2016 23:47
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| 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
/ functional-reactive-intuition-1.swift
Created
February 3, 2016 23:45
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| 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
/ functional-reactive-intuition-2.swift
Last active
February 5, 2016 17:05
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| 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
/ gist:0534e7e8329a7f9b3ca0
Created
November 28, 2015 20:12
Imperative vs. FRP swift performance
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| func test1Imperative() { | |
| class Counter { | |
| var count: Int = 0 { | |
| didSet { | |
| realCount = count+1 | |
| } | |
| } | |
| var realCount: Int = 0 | |
| } |
almostintuitive
/ NSHashTable+SequenceType.swift
Created
September 19, 2015 18:33
Use NSHashTable with for .. in .. style enumeration with Swift2 (safely)
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| extension NSHashTable: SequenceType { | |
| public func generate() -> AnyGenerator<AnyObject> { | |
| var array = self.allObjects | |
| var nextIndex = array.count-1 | |
| return anyGenerator { | |
| if (nextIndex < 0) { | |
| return nil |
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| - (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]; |
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| - (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); | |
| } |
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| if (velocity.x > 0) { | |
| return NO; | |
| } |
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| - (void)swipeableCell:(SwipeToPeepCell *)cell didSwipeWithHorizontalPosition:(CGFloat)horizontalPosition progress:(float)progress { | |
| self.tableView.scrollEnabled = NO; | |
| [self adjustViewBasedOnSwipeProgress:(1-progress)]; | |
| } |
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