damodarnamala

import UIKit
import Security

class Keychain {
    
    class func save(key: String, data: NSData) -> Bool {
        let query = [
            kSecClass as String       : kSecClassGenericPassword as String,
            kSecAttrAccount as String : key,
            kSecValueData as String   : data ]

damodarnamala

//
//  DataScanner.swift
//  DataScanner
//
//  Created by Shinichiro Aska on 8/20/15.
//  Copyright © 2015 Shinichiro Aska. All rights reserved.
//

import Foundation

damodarnamala

import SwiftUI

enum PreviewProviderMode: CaseIterable {
    
    /// Use for a light appearance preview.
    case lightMode
    
    /// Use for a dark appearance preview.
    case darkMode
    

damodarnamala

// The MIT License (MIT)
//
// Copyright (c) 2017 Alexander Grebenyuk (github.com/kean).

import Foundation
import Alamofire
import RxSwift
import RxCocoa

// This post is **archived**. For a modern version that uses Async/Await and Actors, see the new article

damodarnamala

// The issue with sectionHeadersPinToVisibleBounds and sectionFootersPinToVisibleBounds is that they do not pin 
// first header and last footer when bouncing. This layout subclass fixes that.

class StickyLayout: UICollectionViewFlowLayout {
    
    override init() {
        super.init()
        self.sectionFootersPinToVisibleBounds = true
        self.sectionHeadersPinToVisibleBounds = true
    }

damodarnamala

import SwiftUI
import PlaygroundSupport

// constants
let cardWidth: CGFloat = 343
let cardHeight: CGFloat = 212
let spacing = 36
let animation = Animation.spring()
let cardColors = [
    Color(UIColor.systemRed),

damodarnamala

import Foundation
import Combine

enum APIError: Error, LocalizedError {
    case unknown, apiError(reason: String)

    var errorDescription: String? {
        switch self {
        case .unknown:
            return "Unknown error"

damodarnamala

//
//  ContentView.swift
//  SwiftUIPlayground
//
//  Created by BJ Homer on 4/26/21.
//

import SwiftUI

damodarnamala

import Foundation

/// A class that keeps a weakly reference for `self` when implementing `onXXX` behaviors.
/// Instead of remembering to keep `self` as weak in a stored closure:
///
/// ```swift
/// // MyClass.swift
/// var onDone: (() -> Void)?
/// func done() {
///     onDone?()

damodarnamala

//
//  TrimVideo.swift
//  VideoLab
//
//  Created by Adam Jensen on 3/28/15.
//  Updated for Swift 5 (tested with Xcode 10.3) on 7/30/19.
//  MIT license
//

import AVFoundation