InfoQ Homepage JRuby Content on InfoQ
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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.
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Engine Yard Introduces Commercial JRuby Support
Engine Yard, the employer of most of JRuby's core team, started offering commercial support for JRuby this week.
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JRuby Roundup: JRuby-Prof Allows Fast Profiling, JRuby::Synchronized for Automatic Synchronization
JRuby-Prof is a new, low overhead profiler for JRuby which, unlike plain Java profilers, will generate clear, Ruby-specific reports. A new feature in JRuby is JRuby::Synchronized, a module that, when extended, will make all methods of a class synchronized.
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First Rails 3 Beta Released
The first beta of Rails 3 is available. Rails 3 is a major rewrite of the codebase bringing with it stable APIs and design decisions inspired by Merb, cleaner internals, performance improvements and much more. InfoQ takes a look at the changes in Rails 3, and on which Ruby implementations it runs.
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Ruby in Steel 1.5 Released, Drops IronRuby Support
SapphireSteel Software, the developers of the Visual Studio based Ruby in Steel IDE have just released version 1.5. Among many improvements, they also dropped support for IronRuby.
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Maven and JRuby Roundup: Maven_gem Brings Maven Libs to RubyGems, GemCutter Inspires JavaGems
JRuby's Charles Nutter is making Maven artifacts installable as RubyGems. An alternative to using Maven is JavaGems, built on RubyGems, Bundler and Gemcutter to make it easier to install libraries for Scala, Clojure and other JVM languages. Also, JRuby gets the ability to generate real Java classes.
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JRuby's New IR Paves the Way for Future Performance Improvements
A new intermediate representation (IR) for JRuby code enables many optimizations and could bring the next performance boost. InfoQ talked to Subbu Sastry who works on the IR.
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Duby and Surinx, an Interview With Charles Nutter
Charles Nutter talks about his two new languages for the JVM: Duby and its dynamic cousin Surinx.
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JRuby Roundup: JRuby 1.4 Final Released, New Windows Native Launcher, HPricot 0.8.2
The final release of JRuby 1.4 is now available, with many performance, Java integration and other improvements. It also adds a native launcher for Windows, which works around some problems with the BAT-based launcher. Also: the Hpricot 0.8.2 release fixes problems with Hpricot on JRuby.