Created
August 20, 2013 11:36
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| require 'sinatra' | |
| require 'rqrcode_png' | |
| get '/' do | |
| qs = @env['rack.request.query_hash'] | |
| text = qs['url'] | |
| qr_png = RQRCode::QRCode.new(text, :size => 32).to_img | |
| content_type 'image/png' | |
| qr_png.to_blob | |
| end |
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