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if(![NSThread isMainThread])
{
	dispatch_sync(dispatch_get_main_queue(), ^{
		// ... Ejecutar en main thread

		completion();

	});
}

jlcampana

dispatch_sync(dispatch_get_main_queue(), ^{
	completion();
	});

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//
//  UIImage+H568.h
//  AirportExperience
//
//  Created by Juan Belmonte Rodríguez on 25/11/12.
//
//

#import <UIKit/UIKit.h>

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+ (instancetype)shared
{
    static id _shared;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _shared = [self.alloc init];
    });
    return _shared;
}

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typedef NS_ENUM(NSUInteger, MRImageType)
{
    MRImageType_Full,
    MRImageType_Medium,
    MRImageType_Mini
};

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    __unsafe_unretained SlideShowCardView *me = self;

    [slide.productPic setImageWithURL:[NSURL URLWithString:path]
                      placeholderImage:[UIImage imageNamed:@"logo_condis_imagenes_thumbnail"]
                               success:^(UIImage *image, BOOL cached)


[UIImage imageNamed:@"logo_condis_imagenes_thumbnail"]

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/*
 *  System Versioning Preprocessor Macros
 */ 

#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

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BOOL proVersion = YES;
    if (proVersion) {
        return;
    }
    
    //create predicate and filter the results
    NSPredicate *freePredicate = [NSPredicate predicateWithBlock:^BOOL(id evaluatedObject, NSDictionary *binding) {
        InAppGame *game = (InAppGame *)evaluatedObject;
        return game.isFree;
    }];

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- (void)drawTextInRect:(CGRect)rect
{
	[super drawTextInRect:rect];
	
	CGContextRef ctx = UIGraphicsGetCurrentContext();
	
	NSString *fontName = self.font.fontName;
	CGFloat fontSize = self.font.pointSize;
	
	CTFontRef font = CTFontCreateWithName((__bridge CFStringRef)fontName, fontSize, NULL);

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-(long long int)getUnixTimeStamp:(NSDate *)fecha
{
    long long int ti =  ( (long long int)[fecha timeIntervalSince1970]);
    ti *= 1000;
    return ti;
    
    
}