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- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
    if (scrollView.contentOffset.x > 0) {
        scrollView.contentOffset = CGPointZero;
    }
}

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2015-01-26 22:19:55.120 SwipeableTableViewCell[21735:2347995] setFrame
frame={{0, 0}, {320, 44}}
self.bounds={{0, 0}, {320, 44}}
self.frame={{0, 0}, {320, 44}}
self.contentView.bounds={{0, 0}, {0, 0}}
self.scrollView.bounds={{0, 0}, {0, 0}}
self.scrollView.frame={{0, 0}, {0, 0}}
self.scrollView.contentOffset={0, 0}

2015-01-26 22:19:55.121 SwipeableTableViewCell[21735:2347995] setFrame

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- (void)layoutSubviews {
    [super layoutSubviews];
    // This is necessary to ensure that the content size scales with the view.
    self.scrollView.contentSize = self.contentView.bounds.size;
    self.scrollView.contentOffset = CGPointZero;
}

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- (void)scrollViewWillEndDragging:(UIScrollView *)scrollView withVelocity:(CGPoint)velocity targetContentOffset:(inout CGPoint *)targetContentOffset {
    if (scrollView.contentOffset.x < -scrollView.contentInset.left) {
        targetContentOffset->x = -scrollView.contentInset.left;
    } else {
        *targetContentOffset = CGPointZero;
    }
}

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// Set up the container for the buttons that appear when swiping.
UIView *buttonsView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, 160, self.bounds.size.height)];
buttonsView.autoresizingMask = UIViewAutoresizingFlexibleHeight;
self.buttonsView = buttonsView;
[self.scrollView insertSubview:buttonsView atIndex:0];

// Create two action buttons and put them in the container.
UIButton *yesButton = [UIButton buttonWithType:UIButtonTypeCustom];
yesButton.autoresizingMask = UIViewAutoresizingFlexibleHeight;
yesButton.backgroundColor = [UIColor greenColor];

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// Set up main content area.
UIView *contentView = [[UIView alloc] initWithFrame:scrollView.bounds];
contentView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
contentView.backgroundColor = [UIColor whiteColor];
[scrollView addSubview:contentView];
self.scrollViewContentView = contentView;

// Put a label in the scroll view content area.
UILabel *label = [[UILabel alloc] initWithFrame:CGRectInset(contentView.bounds, 10, 0)];
label.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;

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// Create the scroll view which enables the horizontal swiping.
UIScrollView *scrollView = [[UIScrollView alloc] initWithFrame:self.bounds];
scrollView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
scrollView.contentSize = self.bounds.size;
scrollView.contentInset = UIEdgeInsetsMake(0, 160, 0, 0);
scrollView.delegate = self;
scrollView.scrollsToTop = NO;
scrollView.showsHorizontalScrollIndicator = NO;
scrollView.showsVerticalScrollIndicator = NO;
[self.contentView addSubview:scrollView];

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@interface SwipeableTableViewCell : UITableViewCell <UIScrollViewDelegate>

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Twinder

Optimize your Twitter feed.

Basic idea

1. Authenticate to access a user's Twitter feed
2. Display the feed as Twitter does
3. Allow the user to swipe left or right on any tweet
   Left = indicate that you dislike the tweet

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def add_cors_headers(response):
    response.headers['Access-Control-Allow-Origin'] = '*'
    if request.method == 'OPTIONS':
        response.headers['Access-Control-Allow-Methods'] = 'DELETE, GET, POST, PUT'
        headers = request.headers.get('Access-Control-Request-Headers')
        if headers:
            response.headers['Access-Control-Allow-Headers'] = headers
    return response
app.after_request(add_cors_headers)