my "all i use makros"

gistfile1.txt

//
//  Makro.h
//
//  Created by Carl Jahn
//  Copyright (c) 2013 Carl Jahn. All rights reserved.
//

#import <Foundation/Foundation.h>

//NSLogs
#define kNSLogFunctionWithObject(_object) NSLog(@"%s %@", __FUNCTION__, [_object description]);
#define kNSLogFunction kNSLogFunctionWithObject(@"")


#ifdef DEBUG
#else
  #define NSLog(format, ...)
#endif

//Localisation
#define _(_key) NSLocalizedString( _key , nil)

//NSNotifications
#define notify(notificationName, obj, userInfoDictionary) [[NSNotificationCenter defaultCenter] postNotificationName: notificationName object: obj userInfo: userInfoDictionary]
#define addObserver(notificationName, observer, observerSelector) [[NSNotificationCenter defaultCenter] addObserver:observer selector:@selector(observerSelector) name:notificationName object:nil]
#define removeObserver(observer) [[NSNotificationCenter defaultCenter] removeObserver: observer]

//Perform on Main Thread
#define onMainThread(lambda) \
if([NSThread isMainThread]){ \
lambda \
} else { \
dispatch_async(dispatch_get_main_queue(), ^{ \
lambda \
}); \
}

//
#define IS_WIDESCREEN ( fabs( ( double )[ [ UIScreen mainScreen ] bounds ].size.height - ( double )568 ) < DBL_EPSILON )


//Runtime iOS Version check
#ifndef NSFoundationVersionNumber_iOS_5_0
#define NSFoundationVersionNumber_iOS_5_0 881.00
#define _iOS_5_0 NSFoundationVersionNumber_iOS_5_0
#endif

#ifndef NSFoundationVersionNumber_iOS_5_1
#define NSFoundationVersionNumber_iOS_5_1 890.10
#define _iOS_5_1 NSFoundationVersionNumber_iOS_5_1
#endif

#ifndef NSFoundationVersionNumber_iOS_6_0
#define NSFoundationVersionNumber_iOS_6_0 993.00
#define _iOS_6_0 NSFoundationVersionNumber_iOS_6_0
#endif

#ifndef NSFoundationVersionNumber_iOS_6_1
#define NSFoundationVersionNumber_iOS_6_1 993.00
#define _iOS_6_1 NSFoundationVersionNumber_iOS_6_1
#endif

#ifndef NSFoundationVersionNumber_iOS_7_0
#define NSFoundationVersionNumber_iOS_7_0 1047.00
#define _iOS_7_0 NSFoundationVersionNumber_iOS_7_0
#endif

#define SYSTEM_VERSION_EQUAL_TO(_v)                  ( floor(NSFoundationVersionNumber) == _v ? YES : NO )
#define SYSTEM_VERSION_GREATER_THAN(_v)              ( floor(NSFoundationVersionNumber) >  _v ? YES : NO )
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(_v)  ( floor(NSFoundationVersionNumber) >= _v ? YES : NO )
#define SYSTEM_VERSION_LESS_THAN(_v)                 ( floor(NSFoundationVersionNumber) <  _v ? YES : NO )
#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(_v)     ( floor(NSFoundationVersionNumber) <= _v ? YES : NO )