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-(void)fixOrientationOfVideoAtURL:(NSURL *)videoURL {
    
    AVAsset *firstAsset = [AVAsset assetWithURL:videoURL];
    if(firstAsset !=nil && [[firstAsset tracksWithMediaType:AVMediaTypeVideo] count]>0){
        //Create AVMutableComposition Object.This object will hold our multiple AVMutableCompositionTrack.
        AVMutableComposition* mixComposition = [[AVMutableComposition alloc] init];
        
        //VIDEO TRACK
        AVMutableCompositionTrack *firstTrack = [mixComposition addMutableTrackWithMediaType:AVMediaTypeVideo preferredTrackID:kCMPersistentTrackID_Invalid];
        [firstTrack insertTimeRange:CMTimeRangeMake(kCMTimeZero, firstAsset.duration) ofTrack:[[firstAsset tracksWithMediaType:AVMediaTypeVideo] objectAtIndex:0] atTime:kCMTimeZero error:nil];

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In "Build Settings" ---> "User Headers Search Paths",

$(PROJECT_DIR) ... Recursive

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Create a git repo:
git init

Remove a git repo:
cd repository-path/
rm -r .git

Check if directory is under git control:
git rev-parse --is-inside-work-tree

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-(void)firePOSTMethod {
    
    NSString *boundary = @"----WebKitFormBoundarycC4YiaUFwM44F6rT";
    
    // create request
    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
    [request setCachePolicy:NSURLRequestReloadIgnoringLocalCacheData];
    [request setHTTPShouldHandleCookies:NO];
    [request setTimeoutInterval:30];
    [request setHTTPMethod:@"POST"];

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// rotate
[UIView animateWithDuration:0.25 animations:^{
    CGAffineTransform transform = CGAffineTransformMakeRotation(M_PI/2);
    viewObject.transform = transform;
}];

// back to default position
[UIView animateWithDuration:0.25 animations:^{
    CGAffineTransform transform = CGAffineTransformMakeRotation(0);
    viewObject.transform = transform;

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- (UIImage *)getScreenshot {
	UIGraphicsBeginImageContextWithOptions(imageView.frame.size, NO, 0.0);
	[viewObject.layer renderInContext:UIGraphicsGetCurrentContext()];
    UIImage *createdImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
	return createdImage;
}

Replace "viewObject" with the name of the view or image view you want to take a screenshot of.

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CGRect contentRect = CGRectZero;
for (UIView *view in scrollViewObject.subviews) {
    contentRect = CGRectUnion(contentRect, view.frame);
}
scrollViewObject.contentSize = contentRect.size;

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To show hidden files in Finder, enter the following two commands into a Terminal window (press enter after each line):

defaults write com.apple.Finder AppleShowAllFiles TRUE
killall Finder


To hide hidden files in Finder, enter the following two commands into a Terminal window (press enter after each line):

defaults write com.apple.Finder AppleShowAllFiles FALSE
killall Finder

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// call "registerForKeyboardNotifications" to enable

- (void)registerForKeyboardNotifications {
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(keyboardWasShown:)
                                                 name:UIKeyboardDidShowNotification object:nil];
    [[NSNotificationCenter defaultCenter] addObserver:self
                                             selector:@selector(keyboardWillBeHidden:)
                                                 name:UIKeyboardWillHideNotification object:nil];
}

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self.navigationItem.title = @"Place Charles De Gaulle";
    
self.navigationController.navigationBar.titleTextAttributes = [NSDictionary dictionaryWithObjectsAndKeys:
  [UIColor whiteColor], NSForegroundColorAttributeName,
  [UIFont fontWithName:@"Roboto-Light" size:21], NSFontAttributeName, nil];