evgeniyd

/*
The layout (notice how button is 50% on top of the collection view
while still added to the ContainerView)

|----------------------------------------------------|
|                       ContainerView                |
|  ------------------------------------------------  |
|  |               CollectionView                 |  |
|  |                ___________                   |  |
|  |                |          |                  |  |

evgeniyd

/// The Medium artcile, discussing the approach
/// https://medium.com/@euginedubinin/swift-useful-autoclosure-when-presenting-uialertviewcontroller-b592d1643a50#.kx0fuqm1x

final class NoteViewController: UIViewController {
  
  // ... set up target-action for an Edit UIButton somewhere here ...
  
  private dynamic func handleEditButton() {
    presentEditConfirmationDialog(onEdit: self.editArticle(), 
                                  onCancel: () )  /* assuming you have nothing to do upon cancellation */

evgeniyd

import Foundation

private let justAOneTimeThing: () = {
    print("\(GlobalOnceClass.self): Do This once")
}()

public final class GlobalOnceClass {
    
    public init() {
    }

evgeniyd

// Swift 3 

extension CharacterSet {
    /// Test for membership of a particular `UnicodeScalar?` in the `CharacterSet`.
    /// - important: This `contains(_:)` oveload works with `Optional<UnicodeScalar>`
    ///
    /// Consider the following example:
    /// ````
    /// let flowermoji = "💐"
    /// let ucscalar = UnicodeScalar(flowermoji.utf16.last!)

evgeniyd

#import <Foundation/Foundation.h>

@interface NSTimeZone (SBTExtensions)
/*!
 @brief Convert seconds, represented as a string to the timezone. Returns nil when conversion failed.
 The method covers both, integers and floating point numbers.
 */
+ (nullable instancetype)timeZoneForSecondsFromGMTString:(nonnull NSString *)secondsString;

@end

evgeniyd

//
// Login via FBSDK
//
- (void)connectFacebookAccountWithCompletionHandler:(void (^)(NSError *))completionHandler
{
    NSArray *readPermissions = @[@"public_profile", @"user_friends", @"email", @"user_likes"];
    
    if (![FBSDKAccessToken currentAccessToken]) {
        FBSDKLoginManager *login = [[FBSDKLoginManager alloc] init];
        [login logInWithReadPermissions:readPermissions

evgeniyd

#!/bin/sh

releaseConfig="Release"
debugConfiguration="Debug"
adhocConfiguration="AdHoc"

if [ "$adhocConfiguration" = "${CONFIGURATION}" ] || [ "$releaseConfig" = "${CONFIGURATION}" ]; then
    echo "Running Crashlytics"
    "${PODS_ROOT}/Fabric/Fabric.framework/run" <your_api_key> <your_build_secret>
else

evgeniyd

var input: String

// CASE 1
func validateWithError(error: NSErrorPointer) -> Bool {
  var regexpError: NSError?
  let regexp: NSRegularExpression?
  do {
    regexp = try NSRegularExpression(pattern: "[a-zA-Z0-9_]{4,}", options:[])
  } catch let error as NSError {
      regexpError = error

evgeniyd

private func isAlertExist() -> Bool {
        for window in UIApplication.sharedApplication().windows {
            if let w = window as? UIWindow where w.subviews.count > 0 {
                for subview in w.subviews {
                    if let s = subview as? UIAlertView {
                        return true
                    }
                }
            }
        }

evgeniyd

#import "MYAppDelegate.h"

@interface MYAppDelegate () <UISplitViewControllerDelegate>
/...
@property (nonatomic, strong) UISplitViewController* splitViewController;
@end

@implementation MYAppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {