WorldDownTown

# Pull Request の差分に対して swift-format でフォーマットして commit & push する GitHub Actions の設定
name: swift-format

on:
  pull_request:
    branches:
      - main
    paths:
      - '**/*.swift'

WorldDownTown

extension Sequence where Iterator.Element: Hashable {
    var unique: [Iterator.Element] {
        var checked: Set<Iterator.Element> = []
        return filter { checked.insert($0).inserted }
    }
}

extension Sequence where Iterator.Element: Equatable {
    var unique: [Iterator.Element] {
        reduce([]) { $0.contains($1) ? $0 : $0 + [$1] }

WorldDownTown

#!/bin/sh
​
# ~/say_with_volume.sh "hello world" # default volume is 20
# ~/say_with_volume.sh "hello world" 30
​
volume=`osascript -e "output volume of (get volume settings)"`
default_volume=20
say_volume=$2
​
if [ $volume = "0" ]; then

WorldDownTown

#!/bin/sh
/opt/cisco/anyconnect/bin/vpn disconnect

WorldDownTown

#!/bin/sh

# setting
COMMAND=/opt/cisco/anyconnect/bin/vpn
GROUP=''
USER=''
SERVICE='Cisco AnyConnect'
PASS=`security find-generic-password -a "${USER}" -s "${SERVICE}" -w`
PASS2=''
HOST=''

WorldDownTown

// https://www.w3.org/TR/WCAG20/
// Contrast ratio
// Relative luminance

import UIKit

extension UIColor {
    convenience init(hex: UInt, alpha: CGFloat = 1) {
        self.init(red: CGFloat((hex & 0xff0000) >> 16) / 255,
                  green: CGFloat((hex & 0x00ff00) >> 8) / 255,

WorldDownTown

import PlaygroundSupport
import UIKit

final class RippleCheckmark: UIView {
    private let circleLayer: CAShapeLayer = .init()
    private let rippleLayer: CAShapeLayer = .init()
    private let checkmarkLayer: CAShapeLayer = .init()
    private var completion: (() -> Void)?
    var fillColor: UIColor = .blue {
        didSet { update() }

WorldDownTown

import PlaygroundSupport
import UIKit

final class GoogleLoadingIndicator: UIView {
    var colors: [UIColor] = []
    private var index: Int = 0
    private let totalDuration: TimeInterval = 2
    private let movingAngle: CGFloat = 5 / 6 * .pi2
    private let rotationCount: Int = 6
    private let minimumAngle: CGFloat = .pi2 / 24

WorldDownTown

import PlaygroundSupport
import UIKit

final class LoadingIndicator: UIView {
    var color: UIColor = .blue
    private var index: Int = 0
    private let lap: TimeInterval = 2
    private let movingAngle: CGFloat = 5 / 6 * .pi2
    private let rotationCount: Int = 6
    private let minimumAngle: CGFloat = .pi2 / 24

WorldDownTown

import UIKit
import PlaygroundSupport

import UIKit

final class TimerIndicator: UIView {
    deinit {
        displayLink?.invalidate()
    }