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// copy-paste at the begining of application:didFinishLaunchingWithOptions:

for (NSString* family in [UIFont familyNames])
{
    NSLog(@"%@", family);
        
    for (NSString* name in [UIFont fontNamesForFamilyName: family])
    {
        NSLog(@"  %@", name);
    }

evgeniyd

#import <Foundation/Foundation.h>

@interface MyStringUtils : NSObject

+ (BOOL)confuzion_stringContainsVotedKeywords:(NSString*)input;
+ (BOOL)stringContainsVotedKeywords:(NSString*)input;

@end

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#import "MYAppDelegate.h"

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

@implementation MYAppDelegate

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

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
                    }
                }
            }
        }

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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

#!/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

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//
// 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

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#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

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// 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!)

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import Foundation

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

public final class GlobalOnceClass {
    
    public init() {
    }