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A misconception lingers in the Ruby world: Ruby has no debugger. This is blatantly wrong - Ruby has debuggers, GUIs for debuggers and APIs for debuggers. InfoQ takes a close look at the state of debugging tools in the Ruby world - and finds that its debugging support is more than sufficient.
JRuby's 1.1.1 release brings a few improvements over the initial 1.1 release, including a fix for a problem on IBM VMs and it now ships with the JIP profiler. Users of the JRuby 1.1.x trunk can also try out a new performance improvement that promises to seriously boost startup performance. Also: a look at GSoC '08 project related to JRuby.
New Relic introduces a new performance analysis tool for Rails applications. The tool is installable as a Rails plugin, and offloads the analysis to the New Relic service. We talked to New Relic's Lew Cirne about the technology behind the product.
JRuby core developer Ola Bini sat down to talk with InfoQ about Ruby and how he came to be involved with JRuby. In the interview Bini talks about the challenges of developing JRuby and where it is headed in the future. In addition to the interview, InfoQ is also proud to present an excerpt from Bini's book Practical JRuby on Rails Web 2.0 Projects.
JRuby is built on Java - so it can make use of Java Web Start to make it easy to deploy JRuby apps. This article walks through the necessary steps for releasing a JRuby app with Java Web Start, including: how to handle signing, setting JRuby parameters and a look at using JRuby 1.1's coming AheadOfTime (AOT) compilation feature.
JRuby project lead Charles Nutter discusses how he got involved with JRuby, Sun's involvement with JRuby, how JRuby fits into enterprise-level web applications, the possibility of a friendly fork of the OpenJDK source code, reasons for switching to JRuby, the future of JRuby, Spring and JRuby, and the Ruby community as a whole.
Groovy project manager Guillaume Laforge discusses the history of Groovy, it's relationship to Java, where Groovy fits into Java development,how Groovy compares to Ruby, how Groovy enables domain-specific languages, and what future Groovy development will focus on.
In this presentation from QCon San Francisco 2007, Charles Nutter discusses the Ruby and JRuby featureset, the JRuby compiler, calling Java from JRuby and vice versa, programming Swing with JRuby, JRuby web applications, JRuby on Rails, persistence, build automation, Test-Driven Development and Behaviour-Driven Development.
In this presentation from InfoQ Day at Java One, Thomas Enebo and Charles Nutter show off the current state of the JRuby project, which has come a long way under their stewardship. The presentation shows compelling demonstrations of how the Ruby language and key Ruby applications can function well on the Java Virtual Machine.
