aratkevich

if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) {
    return [UIImage imageNamed:@"UIActivity7"];
} else {
    return [UIImage imageNamed:@"UIActivity"];
}

aratkevich

if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
    return [UIImage imageNamed:@"iPadIcon"];
} else {
    return [UIImage imageNamed:@"iPhoneIcon"];
}

aratkevich

#import <CoreData/CoreData.h>

@property (readonly, strong) NSPersistentContainer *persistentContainer;
- (void)saveContext;

#pragma mark - Core Data stack

@synthesize persistentContainer = _persistentContainer;

- (NSPersistentContainer *)persistentContainer {

aratkevich

TAGS="TODO:|FIXME:"
echo "searching ${SRCROOT} for ${TAGS}"
find "${SRCROOT}" \( -name "*.swift" \) -print0 | xargs -0 egrep --with-filename --line-number --only-matching "($TAGS).*\$" | perl -p -e "s/($TAGS)/ warning: \$1/"

aratkevich

rm /Users/$(whoami)/Library/Developer/CoreSimulator/Devices/*/data/Containers/Data/Application/*/Library/Application\ Support/GiftLister.sqlite

aratkevich

class Node<T> {
  var value: T
  weak var parent: Node?
  var children: [Node] = []
 
  init(value: T) {
    self.value = value
  }
 
  func add(child: Node) {

aratkevich

NSString *ssid = nil;
NSArray *ifs = (id)CFBridgingRelease(CNCopySupportedInterfaces());
for (NSString *ifnam in ifs) {
    NSDictionary *info = (id)CFBridgingRelease(CNCopyCurrentNetworkInfo((__bridge CFStringRef)ifnam));
    if (info[@"SSID"]) {
        ssid = [info[@"SSID"] copy]
    }
}

aratkevich

import Foundation

class SingletonC : NSObject {
    
    class var sharedInstance : SingletonC {
        struct Static {
            static var onceToken : dispatch_once_t = 0
            static var instance : SingletonC? = nil
        }
        dispatch_once(&Static.onceToken) {

aratkevich

// Option 1
protocol Identity {
  associatedtype Identifier
  var id: Identifier {get set}
}

struct Person: Identity {
  typealias Identifier = String

  var id: Identifier

aratkevich

static var shared: SomeManager {
  guard let instance = SomeManager._shared else {
      SomeManager._shared = SomeManager()
      return SomeManager._shared!
  }
  return instance
}