Keisuke Shoji WorldDownTown

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working with beers

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WorldDownTown / runtime.h

Created February 12, 2013 03:11

objc_setAssociatedObject

	void objc_setAssociatedObject(id object, const void *key, id value, objc_AssociationPolicy policy)

	// id object: プロパティを持たせたいオブジェクト
	// void *key: プロパティのアドレス (static で宣言した不変なローカルな静的変数を指定する)
	// id value: 保持させるのオブジェクト
	// objc_AssociationPolicy policy: 関連付けの方法 (後述)

WorldDownTown / file0.swift

Last active August 29, 2015 14:14

Swiftで受付システムを作った話とCADisplayLink ref: http://qiita.com/WorldDownTown/items/f66d283052f9809d21df


	let displayLink = CADisplayLink(target: self, selector: Selector("update:"))
	displayLink.addToRunLoop(NSRunLoop.currentRunLoop(), forMode: NSRunLoopCommonModes)

WorldDownTown / type_homework.hs

Created February 26, 2015 05:23

	-- 1. リストを引数に取って、length に π (=3.1415)を返す関数
	pieTime x = fromIntegral (length x) + (pi :: Float)

	-- 2. 2つの文字列を引数にとって、数値として足し算する関数
	addString x y = (read x::Int) + (read y::Int)

	-- 3. 文字列を逆する関数
	reverse' x = [x !! z \| z <- [((length x) - 1), ((length x) - 2)..0]]

	-- 4. 文字列が回文かどうかを判定する関数 isPalindrome

WorldDownTown / waste_files.rb

Created April 1, 2015 09:01

	#coding:utf-8
	#Xcode上の不要なファイルを抽出するスクリプト

	puts "- start class file #{Time.now.strftime("%Y/%m/%d %H:%M:%S")}"
	class_waste_count = 0

	#クラスファイルの一覧を取得
	result = `find ~/SampleProject -type f -name "*.h" -exec basename {} \\; \| sort`
	class_filenames = result.split("\n")

WorldDownTown / map_filter_reduce.swift

Created January 24, 2016 06:29 — forked from Nirma/map_filter_reduce.swift

Map and filter implemented with a version of reduce taking list as its reduce argument.

	func reduce<T,R>(list: [T], block: (([R],T) -> R?)) -> [R]? {
	var acc = [R]()
	for x in list {
	if let val = block(acc, x) {
	acc += [val]
	}
	}

	return acc
	}

WorldDownTown / Decorators.go

Created March 24, 2016 02:18 — forked from Nirma/Decorators.go

Using Decorators in Golang to profile performance

WorldDownTown / ExtensionCompatibleSample.swift

Last active June 21, 2018 10:46

An example of Extension based on Kingfisher in Swift.

	public final class Extension<Base> {
	public let base: Base
	public init(_ base: Base) {
	self.base = base
	}
	}

	public struct StaticExtension<Base> { }

	public protocol ExtensionCompatible {

WorldDownTown / ExtensionCompatibleSample.swift

Last active March 5, 2022 03:10

An example of Extension based on RxSwift in Swift.

	public struct Extension<Base> {
	public let base: Base
	public init(_ base: Base) {
	self.base = base
	}
	}

	public protocol ExtensionCompatible {
	associatedtype Compatible
	var ex: Extension<Compatible> { get set }

WorldDownTown / InsertRowsWithoutScrollingViewController.swift

Last active September 27, 2023 06:26

Insert rows in the top of UITableView without scrolling.

	import UIKit

	final class ViewController: UITableViewController {

	private var names: [String] = (50...99).map { String($0) }

	override func viewDidLoad() {
	super.viewDidLoad()

	DispatchQueue.main.asyncAfter(deadline: .now() + 3.0) {

WorldDownTown / UnitBezier.swift

Last active February 25, 2020 23:34

Solver for cubic bezier curve with implicit control points at (0, 0) and (1, 1)

	import PlaygroundSupport
	import UIKit

	/// Solver for cubic bezier curve with implicit control points at (0, 0) and (1, 1)
	/// Based on https://github.com/adobe/webkit/blob/master/Source/WebCore/platform/graphics/UnitBezier.h
	struct UnitBezier {
	private let a: CGPoint
	private let b: CGPoint
	private let c: CGPoint
	private let epsilon: CGFloat = 0.000001