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//
//  IAPHandler.swift
//
//  Created by Dejan Atanasov on 13/07/2017.
//  Copyright © 2017 Dejan Atanasov. All rights reserved.
//

import UIKit
import StoreKit

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import Foundation
import UIKit

struct ViewStyle<T> {
    let style: (T) -> Void
}

let filled = ViewStyle<UIButton> {
    $0.setTitleColor(.white, for: .normal)
    $0.backgroundColor = .red

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//--------------------------------------------------
// The SwiftUI Lab: Advanced SwiftUI Animations
// https://swiftui-lab.com/swiftui-animations-part1
//--------------------------------------------------
import SwiftUI

struct ContentView: View {
    
    var body: some View {
        NavigationView {

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import Foundation
import SwiftUI

struct GradientCircle: View {
    var body: some View {
        let color1 = Color.init(red: 81/255, green: 204/255, blue: 159/255)
        let color2 = Color.init(red: 154/255, green: 255/255, blue: 248/255)
        let spectrum = Gradient(colors: [ color1, color2])
        let conic =
            LinearGradient(gradient: spectrum, startPoint: UnitPoint(x: 0, y: 0.5), endPoint: UnitPoint(x: 0.5, y: 1))

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Async calls

<template>
<!-- 
When isLoading is true, the <div> is in the DOM, the <p> is not.
When isLoading is false, Vue will remove the <div> and add the <p> to the DOM,
at which point <MyComponent> will be created and passed the fetched data.
-->

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#!/usr/bin/ruby
# Create display override file to force Mac OS X to use RGB mode for Display
# see http://embdev.net/topic/284710

require 'base64'

data=`ioreg -l -d0 -w 0 -r -c AppleDisplay`

edids=data.scan(/IODisplayEDID.*?<([a-z0-9]+)>/i).flatten
vendorids=data.scan(/DisplayVendorID.*?([0-9]+)/i).flatten

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Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

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Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

Installing jq

On Mac OS

brew install jq

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//------------------------------------------------------------------------
// Author: The SwiftUI Lab
// Post: Advanced SwiftUI Animations - Part 4
// Link: https://swiftui-lab.com/swiftui-animations-part4 (TimelineView)
//

import SwiftUI

struct CyclicTimelineSchedule: TimelineSchedule {
    let timeOffsets: [TimeInterval]

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// by dave
float[][] result;
float t, c;

float ease(float p) {
  p = c01(p);
  return 3*p*p - 2*p*p*p;
}

float ease(float p, float g) {