yhkaplan

enum ImageDownsampler {
    private static let pixelSize = 2_000

    /// - URL: https://christianselig.com/2020/09/phpickerviewcontroller-efficiently/
    static func downsample(imageAt url: URL) -> Data? {
        let sourceOptions: [CFString: Any] = [kCGImageSourceShouldCache: false]
        let downsampleOptions: [CFString: Any] = [
            kCGImageSourceCreateThumbnailFromImageAlways: true,
            kCGImageSourceCreateThumbnailWithTransform: true,
            kCGImageSourceThumbnailMaxPixelSize: pixelSize

yhkaplan

let a = IdentifiableItem(User(id: 1))
let b = IdentifiableItem(User(id: 1), id: \.id)

@dynamicMemberLookup
struct IdentifiableItem<Item, ID: Hashable>: Identifiable {
    var item: Item
    let id: ID

    init(_ item: Item) where ID == UUID {
        self.item = item

yhkaplan

#!/usr/bin/env sh

extract_name() {
  echo "$1" | sed -rn 's/.*\/(.*)\.colorset.*/\1/p'
}

extract_hex() {
  FILE_CONTENTS=$(cat "$1")
  COMPONENTS=$(echo "$FILE_CONTENTS" | jq '.colors[0].color.components')

yhkaplan

tell application "Xcode" to activate
tell application "System Events"
    keystroke "8" using command down -- Show all breakpoints
    keystroke "a" using command down -- Select all breakpoints
    keystroke (ASCII character 127) -- Delete with backspace key
end tell

yhkaplan

pre_install do |installer|
  installer.pod_targets.each do |pod|
    if !dynamic_frameworks.include?(pod.name)
      puts "Overriding the static_framework? method for #{pod.name}"
      def pod.static_framework?;
        true
      end
    end
  end
end

yhkaplan

#!/usr/bin/env sh

PLIST_BUDDY="/usr/libexec/PlistBuddy"
INFO_PLIST_PATH="app/Info.plist"

CURRENT_FULL_VERSION=$("$PLIST_BUDDY" -c "Print CFBundleVersion" "$INFO_PLIST_PATH")
CURRENT_MARKETING_VERSION=$("$PLIST_BUDDY" -c "Print CFBundleShortVersionString" "$INFO_PLIST_PATH")
ALL_INFO_PLIST_FILES=$(git grep --files-with-matches "CFBundleVersion" -- "*Info.plist")

for INFO_PLIST_FILE in $ALL_INFO_PLIST_FILES; do

yhkaplan

infix operator ???

extension Optional where Wrapped == String {
    var isEmptyOrNil: Bool {
        return self == nil || self == ""
    }

    static func ???(lhs: String?, rhs: String) -> String {
        guard let lhs = lhs, lhs != "" else {
            return rhs

yhkaplan

// Swift safety

/// Type safety

let i: UInt8 = 1
let x: Int = 4

// Error
// let result = i*x

yhkaplan

import Foundation
import PlaygroundSupport

// Model

struct Character: Decodable {
    let name: String
}

// NW

yhkaplan

import Foundation

struct Regex: ExpressibleByStringLiteral {
    private let pattern: String
    
    private var nsRegularExpression: NSRegularExpression? {
        return try? NSRegularExpression(pattern: pattern)
    }

    typealias StringLiteralType = String