Ruby Weekly
Issue 256 — July 23, 2015
The JRuby Blog
JRuby, the JVM-oriented Ruby implementation, has hit a major milestone with (aka 9000). It supports Ruby 2.2 only and has an all new runtime.

Nate Berkopec
Several indepth tips, complete with eleven takeaways, for boosting your app’s performance in Heroku’s highly flexible but memory-constrained environment.

Corgibytes  Sponsored
We’ll knock out your backlog while your team keeps building new features. And yes — this is work that we actually like to do.


David Chang
React Native is a JavaScript-based framework for building native mobile apps. Opal Native uses the Opal Ruby-to-JavaScript transpiler to provide a Ruby-friendly toolchain and wrapper over React Native.

Vipul A M
Action Cable brings WebSocket-based real-time communication into Rails apps and this extensive tutorial shows how to use it along with React.

Parker Selbert
A look at the motivation behind, and results from, implementing a fast caching library built on top of Redis.


  • Ruby on Rails Engineer at Payoff, Inc. (Costa Mesa, CA)Payoff is a rapidly growing financial tech startup that is changing the game. Our mission: to restore humanity in financial services. Come use your Ruby skills for good and work with nice people. Payoff, Inc
  • Freelance with Companies like Airbnb, IDEO, JPMorganWork with top clients, set your own rates, and work from anywhere as an elite Toptal Ruby developer. Join the most exclusive network of top software engineers in the world. Toptal
  • Ruby on Rails Developer at Asynchrony LabsAsynchrony Labs is an IT consulting firm specializing in development, mobile, systems and sensor integration, enterprise architecture and tactical collaboration. If you like to solve interesting problems through technology, you'd love the culture at Asynchrony. Asynchrony Labs

In brief