Generating dynamic QR codes in Rails using Rjb

When I started looking for gems which generate QR code in ruby I found "rqrcode" which generates only HTML code which was not useful to me. I wanted the QR code image so I looked at "qr4r" but here we can not customize the color, background color etc,  so I decided to write my own code … Continue reading Generating dynamic QR codes in Rails using Rjb