InfoQ Homepage Development Content on InfoQ
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Dynamic Language Roundup: Python's GIL Gets Overhauled but not Removed, Squeak Comes to Android
The Unladen Swallow project that aims to speed up Python has proposed to be merged into mainstream Python. One of Unladen Swallow's goals was to remove the GIL; a new implementation of Python's GIL by Antoine Pitrou will be fairer and less intrusive on multicore CPUs. Also: Squeak Smalltalk has been ported to Android.
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jQuery 1.4 Released with Improved Performance and New API Documentation and Support Forums
In celebration of jQuery’s 4th birthday, the jQuery team has announced the release of the jQuery 1.4. This release features performance improvements in the most commonly used jQuery methods.
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SQL Server Express Shipping with Limited .NET 4.0 Support
A new build of Service Pack 1 for SQL Server 2008 Express has enabled some support for .NET 4.0. But with a large list of limitations one has to wonder what’s the point.
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ConcurrentDictionary, .NET 4.0’s New Thread-Safe Hashtable
The ConcurrentDictionary is a cornerstone in .NET 4.0’s greatly increased emphasis on parallel and concurrent programming. But while vastly superior to what we have seen in the past, it isn’t a panacea and developers need to study its semantics carefully.
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Lua: Embeddable Scripting Engine, LuaJIT 2.0 Includes New High-Performance VM
Lua is a scripting language that can be embedded in any application that can provide hooks for its C API. Version 2.0 of its JIT compiler is in Beta and includes a completely re-written VM based on a trace compiler and an interpreter written in assembler.
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Visual Studio/SQL Server Reporting Services Continue to be Incompatible
Despite years of complaining from developers and the mockery of vendors such as IBM, Microsoft is continuing its policy of shipping components of Visual Studio that are incompatible with the current version SQL Server Reporting Services.
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Brussels approves $7.4bn Oracle-Sun deal, Oracle to Outline Strategy Next Week
The EU has now approved Oracle's takeover of Sun Microsystems. Oracle will be outlining their strategy for Sun via a webcast on January 27th, the company has announced.
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Windows Workflow 4 – A New Product with an Old Name
Windows Workflow 4 is a major rewrite of the library. While it has the same goal, to provide a modeling language for long-running tasks, there are some significant differences coming out of what is essentially a complete rewrite.
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Windows Domain to Amazon EC2 Single Sign-On Access Solutions
David Chappell, the Principal of Chappell & Associates, US, has written a whitepaper proposing several solutions for Single Sign-on (SSO) access to applications deployed on Amazon EC2 from a Windows domain. InfoQ explored these solutions to understand what the benefits and tradeoffs each one presented.
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Bundle.update: The Year of Modularity
A lot has happened since the last Bundle.update. SpringSource dm Server becomes an EPL project at Eclipse; a new book on OSGi and Equinox has been published; the OSGi Enterprise Expert Group is nearing completion; WebSphere has released an alpha based on Apache Aries; Maven Tycho is being used at Eclipse; Nimble facilitates OSGi runtimes, and ECF Remote Services are now complete.
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What Are the Trends in Technology Today?
ThoughtWorks has released the Technology Radar 2010 this month, a white paper containing ThoughtWorks' technology strategy and trends in four major domains: Techniques, Tools, Languages, and Platforms. InfoQ looked at this whitepaper in depth to better understand the ideas and suggestions being offered by ThoughtWorks.
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Sun Releases Java 6 Update 18 With Significant Performance Improvements and Windows 7 Support
Sun is updating Java 6 for the first time this year providing fixes for over 300 bugs, plus Windows 7 support, and a significant number of performance improvements. These include a 30%-40% performance gain when using the default Parallel Scavenger garbage collector on machines based on a NUMA architecture with Solaris or Linux as the OS.
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InfoQ User Survey - 11 Questions to Help Us
As an InfoQ reader, we have a small favour to ask of you; we’re trying to learn more about our members and we have a survey with 11 questions on it to help us in our content, redesign, and business efforts. We're interested in how you use the site, what type of content you find interesting, and more about your background. This survey is anonymous and your replies will be kept confidential.
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Decoupling Your Application From Your Dependency Injection Framework
Dependency Injection has become a much more accepted and accessible approach in recent years, driven by many factors including increased popularity in SOA, TDD, and many other factors. With this has come increased usage of Dependency Injection frameworks. Bob Martin advises, with examples, applying a decoupling approach between your application code and your Dependency Injection framework.
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Update on IKVM, a JVM for the Common Language Runtime
The goal of IKVM is to add Java support to the Common Language Runtime in two ways. In dynamic mode Java byte code is reinterpreted as IL code at runtime. In static mode, Java source code is compiled into IL instead of Java byte code. Running in either mode, IKVM seeks to be a nearly full implementation of the Java specification.