April 15, 2026 🚀 See the LIVE DEMO in action MapView Render maps directly from your backend no external APIs required. Fast, controlled, and production-ready. Try the demo → Today I created a flyer to send to Ruby on Rails Kaigi about my library stack. I strongly recommend keeping an eye on that conference. After…

The RubyLA blog offers insights, tutorials, and community updates for Ruby developers in Los Angeles and beyond. Developers can explore Ruby language features, web development frameworks, and best practices for building Ruby applications. Additionally, the blog covers Ruby meetups, events, and job opportunities in the Los Angeles area, fostering collaboration and networking within the local Ruby community.

RUBYLAND

A walkthrough of building a QR code generator entirely in Ruby using the rqrcode gem for encoding and ruby-libgd for image rendering. The resulting QRCodeGenerator class supports PNG, JPEG, WebP, and GIF output, with options for rounded modules, gradient backgrounds (vertical, horizontal, radial), logo embedding, alpha blending, and antialiasing. Usage examples cover standalone scripts and Rails controller integration for HTTP streaming. The motivation was avoiding third-party QR services that introduce hidden redirects and security concerns.

Create QR Codes from Scratch with Ruby, ruby-libgd, and rqrcode