Wayne Seguin on RVM and SM
Wayne Seguin explains the ideas behind the Ruby Version Manager (RVM) and the problems it solves, as well as the SM shell scripting framework.
Wayne Seguin explains the ideas behind the Ruby Version Manager (RVM) and the problems it solves, as well as the SM shell scripting framework.
PowerGUI brings PowerShell scripting support to Visual Studio. This extension by Quest Software leverages the PowerGUI standalone tool to provide syntax highlighting, IntelliSense, debugging and more for PowerShell scripts inside Visual Studio.
MacRuby 0.5 has been released, with a new VM, AOT and JIT support. The GIL MacRuby inherited from Ruby 1.9 is now gone and Grand Central Dispatch support allows to keep a system's cores busy with Ruby threads. Work on the 0.6 release is already under way; a new debugger feature is already available in the trunk.

Heshan Suriyaarachchi covers some of the key concepts of the Apache Axis2 Web Service engine and how it can be extended to support JVM based scripting languages such as Jython, Jruby, etc allowing them to be used to both expose web services and write web service clients.

Java 7 is looking to improve support for dynamic languages using the Java Virtual Machine for their runtime environment. John Rose has been leading a project to explore some options, and JSR 292 will standardise some of this work for Java 7. InfoQ takes a look at the problems JSR 292 solves, and talks to JRuby lead Charles Nutter to find out more about InvokeDynamic in practice.

Ben Hall shows how Ruby testing tools can help with .NET and ASP.NET development and takes a look at RSpec, Webrat, Cucumber, Selenium and others. Also: a peek at using IronRuby for testing .NET apps.

Tom Enebo explains reasons for choosing JRuby: Hotspot optimizations, JVM Garbage Collectors, tools like profilers. Also: how JRuby helps to write cleaner, more expressive code with Java libraries.

Avi Bryant talks about the iterative process that led to Trendly (http://trendly.com/ ), using Javascript, Ruby and Java in the process. He goes on to give his view on the state of Smalltalk and Squeak and talks about his experiments with writing a Smalltalk that compiles to idiomatic Javascript to make use of all the modern Javascript VMs.

In this interview filmed at RubyFringe 2008, Tom Preston-Werner talks about how both Powerset and GitHub use Ruby and Erlang, as well as tools like Fuzed, god, and more.