InfoQ Homepage JRuby Content on InfoQ
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JRuby 1.7.0 Released: Defaults to Ruby 1.9 Mode, Can Use InvokeDynamic
JRuby 1.7.0 now defaults to Ruby 1.9 mode and supports almost all of 1.9's features. On recent JVM implementations that support invokedynamic, using JRuby 1.7 can increase application performance.
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Community-Driven Research: Top 20 Web Frameworks for the JVM
InfoQ's research initiative continues with an 10th question: "Top 20 Web Frameworks for the JVM". This is a new service we hope will provide you with up-to-date & bias-free community-based insight into trends & behaviors that affect enterprise software development. Unlike traditional vendor/analyst-based research, our research is based on answers provided by YOU.
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JRuby 1.7 Preview 1 Released: Defaults to 1.9 and Improves Performance With Invokedynamic
The first preview release of the upcoming JRuby 1.7 defaults to Ruby 1.9 runtime mode and is much faster thanks to Java 7's invokedynamic. We talked to Charles Nutter to learn more about the future of JRuby on Java 7, Fibers and his move to Red Hat.
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InvokeDynamic and Javascript: New Compiler Dyn.js, Oracle Nashorn and Rhino
Dyn.js is a new implementation of Javascript for Java. It makes use of Java 7's new features for dynamic languages (invokedynamic, Method Handles). InfoQ talked to dyn.js creator Douglas Campos about the reasons to create another Javascript for the JVM (next to Rhino and the announced Oracle Nashorn) and implementation details of dyn.js.
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Rhino is About to Get a Lot Faster
Charles Nutter of JRuby fame recently started assisting the Rhino project (Java implementation of JavaScript) to speed up the Rhino JavaScript runtime.
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JRuby Roundup: JRuby on EY AppCloud, JRuby-Lint, JRuby Delegates
JRuby is now available on EngineYard's AppCloud Beta program, set up to run with the Trinidad server. Nick Sieger has released jruby-lint, a static analysis tool that checks Ruby code bases for patterns that are either discouraged or perform badly on JRuby vs. MRI. Also: JRuby 1.6.2 is out.
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Creating a new JVM language
Creating a new JVM based language has recently hit the for with the news of the proposed Ceylon project. In fact, the JVM already has a diverse set of languages, both statically typed and dynamically typed. What does it take for a new language to hit the mark?
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JRuby 1.6 Released: Ruby 1.9.2 Compatible and C Extensions
JRuby 1.6.0 has been released and brings almost complete Ruby 1.9.2 support. Additionally, there's experimental support for C extensions, and Windows is now a primary platform. InfoQ talked to Thomas Enebo about the new release and what they have planned for the future.
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Lift-JRuby Integration Bridges the Gap Between Ruby and Scala
The popular Scala web framework Lift is getting a JRuby API. InfoQ talked to Lift creator David Pollak to learn why Rubyists should use Lift and what the challenges in combining Ruby and Scala are.
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The State of JRuby: 1.6 RC1, JSR 292 and NIO2 in Java 7, 1.9.2 Support
The first RC for JRuby 1.6 is out and brings improved Ruby 1.9.2 compatibility, experimental C extensions support, improved Windows support, Ruby Gems Maven support, performance and profiling improvements and more. InfoQ talked to JRuby's Charles Nutter about JRuby 1.6, the impact of Java 7 on JRuby, new language features in Ruby and much more.
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A New Crop of Self Hosting IDEs: RedCar and JRuby, Cloud9 IDE and Javascript
Dynamic languages have a dirty, badly kept secret: their IDEs and tools are written in languages like C/C++, C# or Java. Exceptions were languages like Smalltalk - but now Ruby and Javascript developers get to build their tooling using their preferred languages. InfoQ looks at HTML/Javascript based Cloud9 IDE and JRuby and SWT based RedCar.
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Mobile Ruby Roundup: Rhodes 2.0 now MIT Licensed, JRuby on Android with Ruboto
Mobile Ruby developers get a new version of Rhodes: the 2.0 release brings many new features, and also puts the framework under the MIT license. іPhone developers will be glad to hear Rhodes apps are being accepted into the AppStore. Also: Android developers and users can use JRuby with Ruboto and Ruboto-IRB.
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JRuby Roundup: 1.5.1, Google App Engine, Native Extensions
JRuby on Google App Engine has come a long way, recently with improvements in JRuby 1.5.1. Also: work on native extension support in Ruby Summer of Code.
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Whither the GlassFish Gem? Alternatives for Deploying JRuby Web Applications
When Oracle released its GlassFish roadmap, a notable absence was the GlassFish gem. This gem-based server for Rails, Merb, and Sinatra applications has become a common deployment option for the JRuby platform and has been widely recommended to the JRuby community. The gem allows Rails users running in multithreaded mode to take advantage of the JVM by running multiple threads per server instance.
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Maven, Ant, Rake: JRuby 1.5 Enhances Configuration Management
With its upcoming 1.5 release, anticipated at the end of April, the JRuby project is continuing to improve interoperability between Java and Ruby by providing integration with Maven, Ant and Rake. Ruby developers will be able to take greater advantage of strengths of the Java platform, while Java developers will find more reasons to mix Ruby tools into their existing projects.