gorillka

@interface MySingleton : NSObject

// ...

+ (instancetype) sharedInstance;

+ (instancetype) alloc  __attribute__((unavailable("alloc not available, call sharedInstance instead")));
- (instancetype) init   __attribute__((unavailable("init not available, call sharedInstance instead")));
+ (instancetype) new    __attribute__((unavailable("new not available, call sharedInstance instead")));

gorillka

disabled_rules:
  - variable_name
  - colon
  - comma
  - control_statement
  
excluded:
  - Carthage
  - Pods
  

gorillka

[UIColor colorWithHexString:@"#f5e6a1"];

gorillka

extension ViewController: UITableViewDataSource, UITableViewDelegate {

  // As long as `total` is the last case in our TableSection enum,
  // this method will always be dynamically correct no mater how many table sections we add or remove.
  func numberOfSections(in tableView: UITableView) -> Int {
    return TableSection.total.rawValue
  }

  func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    // Using Swift's optional lookup we first check if there is a valid section of table.

gorillka

import Foundation
import PlaygroundSupport

/// A thread-safe array.
public class SynchronizedArray<Element> {
    fileprivate let queue = DispatchQueue(label: "io.zamzam.ZamzamKit.SynchronizedArray", attributes: .concurrent)
    fileprivate var array = [Element]()
}

// MARK: - Properties

gorillka

struct MediaItem {
    var duration:   Int?
    var title:      String?
    var urlString:  String?
    
    static func parseM3U(contentsOfFile: String) -> [MediaItem]? {
        var mediaItems = [MediaItem]()
        contentsOfFile.enumerateLines({ line, stop in
            if line.hasPrefix("#EXTINF:") {
                let infoLine    = line.stringByReplacingOccurrencesOfString("#EXTINF:", withString: "")

gorillka

Commit Message Conventions

These rules are adopted from the AngularJS commit conventions.

• Goals
• Generating CHANGELOG.md
  • Recognizing unimportant commits
  • Provide more information when browsing the history
• Format of the commit message
• Subject line

gorillka

func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
    let text = collections[indexPath.row].name
    let width = UILabel.textWidth(font: titleFont, text: text)
    return CGSize(width: width + left + right, height: height)
}

gorillka

1. Очень крутая книжка по сетям (стек OSI) – Charles Severance “Introduction to Network: How the Internet works”
2. URLCache – https://nshipster.com/nsurlcache/
3. Ресёрч HTTP-кеширования с использованием URLCache https://qnoid.com/2016/04/10/A-primer-in-HTTP-caching-and-its-native-support-by-iOS.html
4. Анализ доступности сети:
   * SimplePing – https://developer.apple.com/library/archive/samplecode/SimplePing/Introduction/Intro.html
   * https://github.com/dustturtle/RealReachability
   * https://github.com/ankitthakur/SwiftPing
   * https://github.com/lmirosevic/GBPing
   * https://github.com/rwbutler/Connectivity
   * Баг с 2009 года – https://lists.apple.com/archives/macnetworkprog/2009/May/msg00056.html

gorillka

//: Playground - noun: a place where people can play


protocol ObjectMapper {
    
    associatedtype SourceType
    
    associatedtype ResultType
    
    func map(_ object: SourceType) -> ResultType