Language/library updatesJRuby 1.5 released
JRuby is now up to version 1.5, with a large number of improvements and fixes. JRuby has quickly filled the niche that IronRuby could have satisfied, and everyone I've talked to who uses it seems to like it.WCF RIA Services 1.0, Silverlight Tools for VS 2010 released
Microsoft has released WCF RIA Services 1.0 and the Silverlight Tools for Visual Studio. If you work with Silverlight, you'll want to download them.Force.com toolkit for Google Wave
Force.com has released a toolkit for building apps with Google Wave. Anyone who is interested in either platform should take a look.
Tools and productsNetBeans 6.9 RC
The Release Candidate for NetBeans 6.9 is now available, with a final release expected in June.Mono Tools for Visual Studio 2.0 Beta 1
The first beta of Mono Tools for Visual Studio 2.0 has been released with a number of enhancements.Titanium supports iPhone OS 4
If you're thinking about doing some cloud development, Salesforce.com has a new TCO calculator that might give you some insight into the cost aspects of the decision.
Tips and tricksScale down an Azure app
Brian Hitney has written an article about how to scale down an Azure app. This is useful when an application has a lot of wait time but can benefit from a parallel processing model and can reduce the size of the Azure package you need.Add a Facebook "Like" button to a page
Search Engine Land posted a good article about how to add a Facebook "Like" button to pages. The author also offers recommendations about when and where to do it.Roll a Silverlight app into an EXE
Matteo Slaviero at Simple-Talk has written an article about how to get started with using jQuery in ASP.NET applications.Common ASP.NET problems
Scott Hanselman has posted a short but useful article summarizing common ASP.NET issues and their solutions.More multithreaded debugging in Visual Studio 2010
Stephen Toub has a good piece showing some of the less well-known debugging items for multithreaded code in Visual Studio 2010.
EventsEclipse is looking for friends
If you want to help out Eclipse, consider becoming a "Friend of Helios." They are looking for 360 folks to donate to them.International Lisp Conference 2010
J.JaDisclosure of Justin's industry affiliations: Justin James has a contract with Spiceworks to write product buying guides; he has a contract with OpenAmplify, which is owned by Hapax, to write a series of blogs, tutorials, and articles; and he has a contract with OutSystems to write articles, sample code, etc.
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Justin James is an OutSystems MVP, architect, and developer with expertise in SaaS applications and enterprise applications.