danielphillips

@interface UILabel (dynamicSizeMe)

-(float)resizeToFit;
-(float)expectedHeight;

@end

kristopherjohnson

@implementation NSData (ZipFile)

- (BOOL)isZipFormatData {
    // Zip files start with the bytes { 50, 4b, 03, 04 }
    
    if (self.length < 4)
        return NO;
    
    unsigned char signature[4];
    [self getBytes:signature length:sizeof(signature)];

numo16

#define ApplicationDelegate                 ((AppDelegate *)[[UIApplication sharedApplication] delegate])
#define UserDefaults                        [NSUserDefaults standardUserDefaults]
#define NotificationCenter                  [NSNotificationCenter defaultCenter]
#define SharedApplication                   [UIApplication sharedApplication]
#define Bundle                              [NSBundle mainBundle]
#define MainScreen                          [UIScreen mainScreen]
#define ShowNetworkActivityIndicator()      [UIApplication sharedApplication].networkActivityIndicatorVisible = YES
#define HideNetworkActivityIndicator()      [UIApplication sharedApplication].networkActivityIndicatorVisible = NO
#define NetworkActivityIndicatorVisible(x)  [UIApplication sharedApplication].networkActivityIndicatorVisible = x
#define NavBar                              self.navigationController.navigationBar

nfarina

#import <UIKit/UIKit.h>

@interface UIView (SMFrameAdditions)

@property (nonatomic, assign) CGPoint $origin;
@property (nonatomic, assign) CGSize $size;
@property (nonatomic, assign) CGFloat $x, $y, $width, $height; // normal rect properties
@property (nonatomic, assign) CGFloat $left, $top, $right, $bottom; // these will stretch the rect

@end

twobitlabs

// http://cocoawithlove.com/2009/10/ugly-side-of-blocks-explicit.html has a nice breakdown of the syntax--it helps to think of the ^ as similar to a pointer dereference symbol *

// block typedef:

    typedef void(^Block)();
    typedef void(^ConditionalBlock)(BOOL);
    typedef NSString*(^BlockThatReturnsString)();
    typedef NSString*(^ConditionalBlockThatReturnsString)(BOOL);

// block property with typedef:

derektu

// ArchiveHelper.h
//
@interface ArchiveHelper : NSObject

+ (id)loadObjectFromFile:(NSString*)filePath withKey:(NSString*)key;

+ (void)saveObject:(id)object toFile:(NSString*)filePath withKey:(NSString*)key;

@end

mayoff

#import <UIKit/UIKit.h>
#import <ImageIO/ImageIO.h>
#import <MobileCoreServices/MobileCoreServices.h>

static UIImage *frameImage(CGSize size, CGFloat radians) {
    UIGraphicsBeginImageContextWithOptions(size, YES, 1); {
        [[UIColor whiteColor] setFill];
        UIRectFill(CGRectInfinite);
        CGContextRef gc = UIGraphicsGetCurrentContext();
        CGContextTranslateCTM(gc, size.width / 2, size.height / 2);

leeprobert

- (void)registerDefaultsFromSettingsBundle
{
NSLog(@"Registering default values from Settings.bundle");
NSUserDefaults * defs = [NSUserDefaults standardUserDefaults];
[defs synchronize];
 
NSString *settingsBundle = [[NSBundle mainBundle] pathForResource:@"Settings" ofType:@"bundle"];
 
if(!settingsBundle)
{

barbuza

#import <UIKit/UIKit.h>

@interface UILabel (TextTouch)

- (NSInteger)stringIndexUnder:(CGPoint)point;

@end

oliverfoggin

@protocol MyImageDownloaderDelegate <NSObject>

- (void)downloadFailed;
- (void)imageDownloadFinished:(UIImage *)image;
- (void)progressUpdated:(CGFloat)progress;

@end

@interface MyImageDownloader : NSObject