InfoQ Homepage Programming Content on InfoQ
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RubyLearning.com to Relaunch Free Online Lessons
After achieving popularity last summer, Satish Talim at <a href="http://www.rubylearning.com/" target="_new">RubyLearning</a> is doing it again with his free online course. It started as a way for him to pick up the language, and after the community picked up on it, over 100 people joined him. He hopes to do better this time.
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Ruby 1.9 adds Fibers for lightweight concurrency
Fibers were recently in the Ruby 1.9 branch. The Coroutine-like concept has many uses, such as implementing lightweight concurrency and others. We look at the concept and influences of Fibers in Ruby 1.9, as well as code samples.
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Ruby Hoedown Presentations available online
Videos of the sessions from the Ruby Hoedown conference are now available online. Topics such as Merb, Ruby tuning, VoIP with Ruby are covered, as well as Smalltalk and Ruby history and much more.
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Catching Up with Scala
The Scala programming language has been catching the eye of a number of developers as of late. Scala is a functional object-oriented language which provides a seamless blend of features not found elsewhere, all while running on the JVM.
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The "use" Binding In F# and How It Should Be Applied To C# and VB
Possible enhancements for F# show how VB and C# can also change in the future.
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Capistrano gets competition: Vlad the Deployer
Capistrano, a popular deployment tool for Rails, is challenged by Vlad the Deployer, a tool which offers similar functionality with a much simpler implementation. We talked to the Ruby Hit Squad group that released version 1.0 of Vlad.
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Is Erlang the Java for the concurrent future?
The future of computing is going to be concurrent. Even desktop CPUs are multicore nowadays, and when customers are buying more and more CPUs to their servers, they expect their applications to scale well to utilize their new investment. But that's not going to happen with many software systems of today. Can Erlang help?
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Limitations of Closures in Visual Basic
In part 6 of his series on closures, Jared Parsons takes about some of the limitations of closures in Visual Basic. While it is not explicitly called out, many of these limitations may also apply to C#.
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DSLs bringing the end of single language development?
For many years, mainstream practice in enterprise software development has been to standardize on a single general purpose language on software projects, with Java and C# today being the mainstream choices. With the rise of interest in DSLs, we may be entering into a phase in which multiple languages on software projects becomes the norm, but not with the same problems of the 80's and early 90's.
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CodeSmith 4.1.1 supports Visual Studio 2008 Beta 2
CodeSmith is a template-based code generator that automatically generates high level code (C#, VB.NET, ...). The current release features LINQ to SQL templates and supports Visual Studio 2008 Beta 2.
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Presentation: Applying Agile to Ruby
In this presentation, Fred George talks about the application of agile practices in the enterprise and how they can help with the adoption of Ruby.
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New C# Features Not Found in VB
With the release of Beta 2, the feature set for the flagship .NET languages C# and Visual Basic have been solidified. In the past we have covered VB-only features like mutable anonymous types and XML Literals. Today we cover a couple of the C# only features.
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Explicit vs. concise code in Ruby
Ruby offers many ways of reducing code size. However, this can backfire in some situations. We look at one problem with Ruby's method for identifying nil and false values.
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JRuby: Java5 or not?
A discussion in the JRuby space is resurfacing: Should the project move to Java 5. Is it worth breaking compatibility with Java 1.4? Using languages features like Annotations and Enums would be useful, as well as and not having to use a backport of the Concurrency libs. We look at the pros and cons.
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PMD: Automated source code analysis and bug detection
PMD, an open-source automated Java source code analysis and bug detection tool, recently reached version 4.0. InfoQ spoke with Tom Copeland, PMD project lead, to learn more about PMD and what capabilities it provides.