doozMen

import Foundation
import Network

/// Uses bonjour networking to relialby check if user has granted local network access
/// How to use:

/// Add LocalNetworkAuthorization class to your project
/// Open .plist file and add "_bonjour._tcp", "_lnp._tcp.", as a values under "Bonjour services"
/// Call requestAuthorization() to trigger the prompt or get the authorization status if it already been approved/denied
/// about the author: https://stackoverflow.com/a/67758105/705761

nicklockwood

// This gist demonstrates how you can implement versioning for a Codable struct to support loading
// old serialized data after changing the structure. Notable features of this solution:
//
// * No need to make new properties optional, or to perform post-processing on the struct after
//   loading in ordeer to populate missing values
// * No need to change the call site - from the outside this struct behaves just the same
//   as if we had implemented codable directly in the normal way.
// * Versioning can be applied individually to parents or leaves in a larger tree of
//   structs without affecting the other elements
// * This approach will work even if the original struct was not designed with versioning in mind

Jswizzy

Installing Swift on Ubuntu 20.04

1. Install Depencies

“clang”[ˈklæŋ] is the compiler based on LLVM for C, C++, Objective-C, and Objective-C++. clang is needed to install in order to Swift. Run the following code in Ubuntu terminal.

Before installing swift “libpython2.7” and “libpython2.7-dev” are needed to get Swift running. Run the following code.

WorldDownTown

import Foundation

private extension CFStringTokenizer {
    var hiragana: String { string(to: kCFStringTransformLatinHiragana) }
    var katakana: String { string(to: kCFStringTransformLatinKatakana) }

    private func string(to transform: CFString) -> String {
        var output: String = ""
        while !CFStringTokenizerAdvanceToNextToken(self).isEmpty {
            output.append(letter(to: transform))

adamgraham

/// An extension to provide conversion to and from linear RGB colors.
extension UIColor {

    /// A set of non-gamma corrected linear RGB values, in the range [0, 1].
    typealias LinearRGB = (r: CGFloat, g: CGFloat, b: CGFloat)

    /// The inverse companded sRGB components to get non-gamma corrected linear values,
    /// in the range [0, 1].
    var linearRGB: LinearRGB {
        var (r, g, b) = (CGFloat(), CGFloat(), CGFloat())

dmsl1805

extension String {
  
  func snakeCased() -> String? {
    let pattern = "([a-z0-9])([A-Z])"

    let regex = try? NSRegularExpression(pattern: pattern, options: [])
    let range = NSRange(location: 0, length: count)
    return regex?.stringByReplacingMatches(in: self, options: [], range: range, withTemplate: "$1_$2").lowercased()
  }
}

wakita

SDK = xcrun -sdk macosx

all: compute.metallib compute

compute.metallib: Compute.metal
	# Metal intermediate representation (.air)
	$(SDK) metal -c -Wall -Wextra -std=osx-metal2.0 -o /tmp/Compute.air $^
	# Metal library (.metallib)
	$(SDK) metallib -o $@ /tmp/Compute.air

yusuke024

import UIKit

import AVFoundation

class ViewController: UIViewController {
    override func viewDidAppear(_ animated: Bool) {
        super.viewDidAppear(animated)

        switch AVCaptureDevice.authorizationStatus(for: .video) {
        case .notDetermined:

matthewreagan

//  Perlin.swift
//  Created by Matthew Reagan on 8/7/18.
//
//  Quick implementation of the the classic Perlin noise
//  generation function, useful for creating organic textures
//  or terrain. Perlin noise can also be easily generated with
//  Apple's GameplayKit framework, this code is mostly for
//  experimentation purposes. (Disclaimer: This code is not
//  optimized, nor particularly elegant, but it can be used as
//  a jumping off point for writing custom noise functions.) 

michaelevensen

extension Date {
    var startOfWeek: Date? {
        let gregorian = Calendar(identifier: .gregorian)
        guard let sunday = gregorian.date(from: gregorian.dateComponents([.yearForWeekOfYear, .weekOfYear], from: self)) else { return nil }
        return gregorian.date(byAdding: .day, value: 1, to: sunday)
    }
    
    var endOfWeek: Date? {
        let gregorian = Calendar(identifier: .gregorian)
        guard let sunday = gregorian.date(from: gregorian.dateComponents([.yearForWeekOfYear, .weekOfYear], from: self)) else { return nil }