neilsmithdesign

import SwiftUI

/// View model protocol
protocol ViewModel: ObservableObject {
    var count: Int { get }
    func increase()
}

/// Concrete implementation
class MyViewModel: ViewModel {

eshwartm

func loadJson(forFilename fileName: String) -> NSDictionary? {

    if let url = Bundle.main.url(forResource: fileName, withExtension: "json") {
        if let data = NSData(contentsOf: url) {
            do {
                let dictionary = try JSONSerialization.jsonObject(with: data as Data, options: .allowFragments) as? NSDictionary

                return dictionary
            } catch {
                print("Error!! Unable to parse  \(fileName).json")

JonFir

import UIKit

public extension UIDevice {
    
    var modelName: String {
        var systemInfo = utsname()
        uname(&systemInfo)
        let machineMirror = Mirror(reflecting: systemInfo.machine)
        let identifier = machineMirror.children.reduce("") { identifier, element in
            guard let value = element.value as? Int8 where value != 0 else { return identifier }

Koze

- (void)showAllRecords
{
    WKWebsiteDataStore *dateStore = [WKWebsiteDataStore defaultDataStore];
    [dateStore fetchDataRecordsOfTypes:[WKWebsiteDataStore allWebsiteDataTypes]
                     completionHandler:^(NSArray<WKWebsiteDataRecord *> * __nonnull records) {
                         // display records to user
                     }];
}

// argument is a record that user selected.

alloy

#import <Foundation/Foundation.h>

@interface WTF : NSObject
-:x;
@end

@implementation WTF
-:x;
{
  return x;

snikch

- (UIViewController *)topViewController{
  return [self topViewController:[UIApplication sharedApplication].keyWindow.rootViewController];
}

- (UIViewController *)topViewController:(UIViewController *)rootViewController
{
  if (rootViewController.presentedViewController == nil) {
    return rootViewController;
  }