InfoQ Homepage DevOps Content on InfoQ
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Interview: Erik Meijer on LINQ
In this interview made during QCon SF 2008, Erik Meijer talks about less known LINQ features, like the ability to do meta programming or the fact that LINQ works against any data collection that implements the sequence operators. Meijer also talks about the differences between functional languages and objectual ones, asynchronous computation, and the evolution of languages.
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Just the Cure, More Groovy
Groovy 1.6 was released recently and provides plenty of new features and improvements, in particular speed was a major focus by the development team.
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Presentation: Pipes and Y! Query Language
In this presentation filmed during QCon SF 2008, Jonathan Trevor presents two Yahoo! technologies: Pipes and Y! Query Language (YQL). Both technologies can be used to process data obtained from various sources, but while Pipes is limited to Yahoo web services, YQL can process many types of data.
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SQL Data Services Moving To a Full SQL Server Database in the Cloud
Last week InfoQ asked if RDBMS has its place in the cloud. All the big cloud vendors (Amazon, Google and Microsoft) are using a key/value store today. However, on the MSDN Developer Conference in San Francisco, Microsoft reported they will make RDBMS features of SQL Server available through SQL Data Services (SDS) after feedback from ISV’s.
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QCon London 2 Weeks Away: Day Passes & InfoQ Discount Available
QCon London is just 2 weeks away, and we’d like to present all InfoQ members with an extension of our Feb 22nd discount, as well as announce that day passes are now available. QCon features over 80 sessions, 15 tracks and unprecedented speaker lineup including Sir Tony Hoare, Martin Fowler, Rod Johnson, and many others.
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Citrix Changes the Virtualization Market by Giving XenServer for Free
After buying XenSource 18 months ago for half a billion USD, Citrix offers their last version of the XenServer “free of charge to any user for unlimited production deployment”. This move will certainly have a significant impact on the virtualization market in the cloud computing era that has begun.
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Moneta: An Interface to Key-Value Stores like Tokyo Cabinet, Memcache
Key-value stores are a viable alternative to relational databases. We take a look at Tokyo Cabinet and how different key-value stores can be unified behind a common interface with Moneta.
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Is the Relational Database Not an Option in Cloud Computing?
Recent focus on Cloud Computing has increased the use of key/value databases. The most common theme for this is scalability. Though scalability is a key factor, cloud computing has other advantages that makes it attractive for vendors that do not need to deliver highly scalable applications or services.
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Presentation: Open APIs: State of the Market
In this presentation filmed during QCon SF 2008, John Musser talked about Open APIs, their history, their current status and trends. He also talked about what makes an Open API successful, the business models behind them and some related technological details.
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Windows 7 Adding Native VHD Support
Windows 7 will be adding native support mounting VHD files as if there were normal hard drives. This takes the form of MMC snap-ins, command line tools, and COM interfaces.
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Engine Yard to Take Over Ruby 1.8.6 Maintenance?
Ruby 1.8.6 is still in heavy use, although its replacement 1.8.7 has been around for over half a year now. Now Engine Yard plans, in accordance with the 1.8.6 maintainer, to take over the maintenance of Ruby 1.8.6 and sponsor some long needed performance fixes.
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Cloud Architectures Are Not Fully Thought Out Yet
While there are many mature software patterns for applications, not the same can be said about clouds. Each vendor employs their own solution, which is most probably subject to change and improvement. The technology is not mature enough for a clear set of patterns to emerge yet, but the first working examples are out there.
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Article: Blaze Data Services or LiveCycle Data Services?
This article, by Ryan Knight, compares two similar products: Adobe’s LiveCycle Data Services (LCDS) and Open Source Blaze Data Services. The comparison is necessary to know the differences between the two products in order to choose the right one for a certain situation.
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Managed Custom Actions with Visual Studio 2010 and WiX 3.0
As covered by InfoQ earlier, WiX 3.0 will be shipping with Visual Studio 2010. WiX is much more flexible than the Visual Studio Setup Project currently available today and it supports managed code to interact with the Windows Installer. Authors can use C#, VB.NET or any other .NET programming language. This also enables debugging which has been a major pain point for installation creators.
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Interview: Tijs Rademakers and Jos Dirksen on Open Source ESB
InfoQ has published a sample chapter from the book “Open Source ESBs In Action”, authored by Tijs Rademakers and Jos Dirksen, and took the opportunity to interview the authors about their experience in using open source ESBs in real-world projects.