Anthony Levings sketchytech

sketchytech / PercentageCircle.html

Created August 23, 2016 11:36

Percentage Circle in HTML Canvas

sketchytech / Activity+OpenIn.swift

Created July 25, 2016 09:40

UIActivityViewController that adds an Open In option

	//
	// ViewController.swift
	// ShareTest
	//
	// Created by A J LEVINGS on 24/07/2016.
	// Copyright © 2016 Gylphi. All rights reserved.
	//

	import UIKit
	let UIActivityTypeOpenIn = "OpenIn"

sketchytech / UIScrollingStackView.swift

Last active January 29, 2019 20:15

A stack view that scrolls (which is actually a subclass of UIScrollView)

	class UIScrollingStackView:UIScrollView {
	private let stack = UIStackView()
	var spacing:CGFloat {
	get {
	return stack.spacing
	}
	set {
	stack.spacing = newValue
	}
	}

sketchytech / toBase.swift

Last active May 12, 2016 10:41

Swift: Conversion to different number bases (radix)

	extension IntegerType {
	public func toBase(b:Int) -> String
	{
	guard b > 1 && b < 37 else {
	fatalError("base out of range")
	}
	let digits = ["0","1","2","3","4","5","6","7","8","9","A",
	"B","C","D","E","F","G","H","I","J","K","L",
	"M","N","O","P","Q","R","S","T","U","V","W",
	"X","Y","Z"]

sketchytech / closure.swift

Last active November 21, 2016 15:13

Swift: regular closure vs auto closure

	// a regular method that doesn't have any arguments
	func regularClosure(str:() -> String) {
	str()
	}
	regularClosure{"print me!"}
	// can be replaced with an @autoclosure
	func autoClosure(@autoclosure str:() -> String) {
	str()
	}
	autoClosure("print me!")

sketchytech / Base64encode.swift

Last active May 5, 2016 12:14

Swift: DIY Base64 conversion (translated from Java on Wikipedia) - result compared to built-in Base64 encoding

	// a translation of the Java implementation provided here: https://en.wikipedia.org/wiki/Base64
	let CODES = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="
	func base64Encode(u:[Int]) -> String {
	var out = ""
	var b = 0
	var i = 0
	while i < u.count {
	b = (u[i] & 0xFC) >> 2
	out.append(CODES[CODES.startIndex.advancedBy(b)])
	b = (u[i] & 0x03) << 4

sketchytech / article.json

Last active March 25, 2016 15:48

Apple News Format: Scalable Images and Component Animations

	{
	"version": "1.1",
	"identifier": "sketchyTech_Demo",
	"title": "My First Article",
	"language": "en",
	"layout": {},
	"components": [{
	"role": "title",
	"text": "My First Article",
	"textStyle": "titleStyle",

sketchytech / article.json

Last active April 21, 2017 15:54

Apple News Format: Column Layout

	{
	"version": "1.4",
	"identifier": "sketchyTech_Demo",
	"title": "My First Article",
	"language": "en",
	"layout": {
	"columns": 3,
	"width": 1024,
	"margin": 30,
	"gutter": 20

sketchytech / channel.py

Last active March 24, 2016 14:17

Apple News Format: Read Channel, Section and Article (GET Request)

	#!/usr/bin/python

	import requests
	import base64
	from hashlib import sha256
	import hmac
	from datetime import datetime
	channel_id = '[YOUR CHANNEL ID]'
	api_key_id = '[YOUR CHANNEL KEY]'
	api_key_secret = '[YOUR SECRET KEY]'

sketchytech / article.json

Created March 24, 2016 09:10

Apple News Format: Mosaic and Gallery Images

	{
	"version": "1.1",
	"identifier": "sketchyTech_Demo",
	"title": "My First Article",
	"language": "en",
	"layout": {},
	"components": [{
	"role": "title",
	"text": "My First Article",
	"textStyle": "titleStyle"