kalub92

import Foundation

struct MinHeap {
  var items: [Int] = []

  //Get Index
  private func getLeftChildIndex(_ parentIndex: Int) -> Int {
      return 2 * parentIndex + 1
  }
  private func getRightChildIndex(_ parentIndex: Int) -> Int {

BeauNouvelle

// Old way of doing things.
let actionButton = UIBarButtonItem(title: "Done", style: .done, target: self, action: #selector(someMethod()))

// New way of doing things.
let button = UIBarButtonItem(title: "Done", style: .done) { _ in
    // Do stuff here.            
}

BeauNouvelle

convenience init(title: String?, style: UIBarButtonItem.Style, closure: @escaping UIBarButtonItemTargetClosure) {
    self.init(title: title, style: style, target: nil, action: nil)
    targetClosure = closure
    action = #selector(UIBarButtonItem.closureAction)
}

@objc func closureAction() {
    guard let targetClosure = targetClosure else { return }
    targetClosure(self)
}

BeauNouvelle

extension UIBarButtonItem {
    
    /// Typealias for UIBarButtonItem closure.
    private typealias UIBarButtonItemTargetClosure = (UIBarButtonItem) -> ()

    private class UIBarButtonItemClosureWrapper: NSObject {
        let closure: UIBarButtonItemTargetClosure
        init(_ closure: @escaping UIBarButtonItemTargetClosure) {
            self.closure = closure
        }

gregsabo

Play a sine wave.

import AudioKit

let osc = AKOscillator()
osc.frequency = 440.0
osc.start()
AudioKit.output = osc
AudioKit.start()

dclelland

import UIKit

extension UIImage {
    
    convenience init?(color: UIColor, size: CGSize = CGSize(width: 1.0, height: 1.0)) {
        let image = UIGraphicsImageRenderer(size: size).image { context in
            color.setFill()
            context.fill(CGRect(origin: .zero, size: size))
        }
        

loucimj

//
//  Diffable.swift

//
//  Created by danielgalasko on 8/5/17.
//

import Foundation
import IGListKit

markohlebar

import Foundation

extension String {

    func snakecased() -> String {
        return self.replacingOccurrences(of: "(?<=[^A-Z])([A-Z])", with: "_$0", options: .regularExpression).lowercased()
    }
}

cmoulton

// MARK: - Adding a header to a single request
func doRequestWithHeaders1() {
  let headers: HTTPHeaders = [
    "X-Mashape-Key": MY_API_KEY,
    "Accept": "application/json"
  ]

  Alamofire.request("https://mashape-community-urban-dictionary.p.mashape.com/define?term=smh", headers: headers)
    .responseJSON { response in
    debugPrint(response)

imaizume

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# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839

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