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CAAnimationGroup *animationGroup = [CAAnimationGroup animation];
[animationGroup setAnimations:[NSArray arrayWithObjects:simpleAnimationOne, simpleAnimationTwo, nil]];
[animationGroup setDuration:1.0f];
[animationGroup setAutoreverses:YES];
[[moveMe layer] addAnimation:animationGroup forKey:@"group action"];

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#import <Foundation/Foundation.h>

@interface NSNotificationCenter (ObserverAdditions)

- (void)registerObserver:(id)observer
                 forName:(NSString *)name 
                  object:(id)obj
				   queue:(NSOperationQueue *)queue
			  usingBlock:(void (^)(NSNotification *))block;

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- (NSRect)window:(NSWindow *)window willPositionSheet:(NSWindow *)sheet
       usingRect:(NSRect)rect
{
    rect.origin.y -= 14;  // or as much as we need
    return rect;
}

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- (NSString *)routerMACAddress {
    NSMutableString *MACAddress = [NSMutableString string];
    SCDynamicStoreRef theDynamicStore = SCDynamicStoreCreate(nil, CFSTR("FindCurrentInterfaceAndIP"), nil, nil);
    CFDictionaryRef returnedPList = SCDynamicStoreCopyValue(theDynamicStore, CFSTR("State:/Network/Global/IPv4"));
    CFRelease(theDynamicStore);
    
    if ([(__bridge NSDictionary *)returnedPList valueForKey:@"Router"] != nil) {
        NSTask *arpTask = [[NSTask alloc] init];
        NSPipe *newPipe = [NSPipe pipe];
        NSFileHandle *readHandle = [newPipe fileHandleForReading];

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@interface NSImage (GIF)
- (BOOL)isGifImage;
- (BOOL)saveAnimatedGIFToFile:(NSString*)filepath;
@end


@implementation NSImage (GIF)

- (BOOL)isGifImage
{

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- (NSImage *)resizeTo:(NSSize)newsize
{
  NSImage *resizedImage = [[NSImage alloc] initWithSize:newsize];
	NSSize originalSize = [self size];
	[resizedImage lockFocus];
	[self drawInRect: NSMakeRect(0, 0, newsize.width, newsize.height) fromRect: NSMakeRect(0, 0, originalSize.width, originalSize.height) operation: NSCompositeSourceOver fraction: 1.0];
	[resizedImage unlockFocus];
#if  __has_feature(objc_arc)
	return resizedImage;
#else

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@interface NSWindow (FullScreen)

- (BOOL)isFullScreen;

@end

@implementation NSWindow (FullScreen)

- (BOOL)isFullScreen
{

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#import <Cocoa/Cocoa.h> 

@interface AsyncCopyController : NSObject
-(OSStatus)copySource : (NSString *)aSource ToDestination: (NSString *)aDestDir setDelegate : (id)object;
//delegate method
-(void)didReceiveCurrentPath : (NSString *)curremtItemPath bytesCompleted : (unsigned long long)floatBytesCompleted currentStageOfFileOperation : (unsigned long)stage;
-(void)didCopyOperationComplete : (BOOL)boolean;
-(void)didReceiveCopyError : (NSString *)Error;
-(void)cancelAllAsyncCopyOperation;
@end

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if ([[NSWorkspace sharedWorkspace] absolutePathForAppBundleWithIdentifier:@"com.beyondcow.Miao"]) {
    //if find Miao on this Mac then post text via Miao system service port
    NSString *text = @"Hello world!";
    [[NSPasteboard generalPasteboard] clearContents];
    [[NSPasteboard generalPasteboard] setString:text forType:NSStringPboardType];
    NSPerformService(@"Miao Post Weibo", [NSPasteboard generalPasteboard]);
}

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#import "AppDelegate.h"

@interface NSStatusBar(Private)
- (id)_statusItemWithLength:(double)length withPriority:(int)priority;
@end

@interface AppDelegate()
{
    NSStatusItem *item;
}