rqrcode 3.1.0
rqrcode is a library for encoding QR Codes. The simple interface allows you to create QR Code data structures and then render them in the way you choose.
          Gemfile:
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          安装:
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      Runtime 依赖 (2):
            chunky_png
            ~> 1.0
          
          
            rqrcode_core
            ~> 2.0