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teched

Microsoft Tech-Ed 2011 Keynote

The Microsoft Tech-Ed 2011 keynote is now available.  It is worth viewing.  Just authenticate with your Windows Live credentials and you’ll have access to the keynotes, news stories, “The Taste of Tech-Ed” and more. Here’s Microsoft’s spin: Join Microsoft Corporate Vice President, Server and Tools Marketing, Robert Wahbe and Corporate Vice President, Visual Studio, Jason [...]

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azure

New Refcardz on Azure

This morning I was looking for a quick summary of Windows Azure Storage queues to pass to a colleague.  I ran across a great new Refcardz by Brian H. Prince, an Architect Evangelist with Microsoft. Here’s the summary: This DZone Refcard on Cloud Computing with WIndows Azure Platform will introduce you to the platform and [...]

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facebook

Architecting Facebook

As a technologist, I find myself wondering “how exactly do they do that?” a lot. This is especially true for large software systems. Even more so for large, successful software systems. So, what about Facebook? What’s their architecture? Ask and you shall find… A very knowledgeable gentleman, Michaël Figuière, Software Engineer at Xebia, did all [...]

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dendrogram

Dendrogram Plots

I recently attended the Wolfram Seminar, “Statistics and Data Analysis with Mathematica“.  The discussion on Hierarchical Clustering was especially interesting to me.  They showed a dendrogram plot for some sample text data. A dendrogram is defined here as: A dendrogram (from Greek dendron “tree”, -gramma “drawing”) is a tree diagram frequently used to illustrate the [...]

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smart

Making S.T.U.P.I.D. Users S.M.A.R.T.

Whenever I need a full-strength dose of Usability Reality, I wander over to Boxes and Arrows, one of the best peer-written websites on design, user interaction, and information architecture. An article was posted yesterday that is brimming with brilliance: “Are your users S.T.U.P.I.D.? How good design can make users effective“. Please take the time to [...]

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mysql

MySQL Query Cache

First, for the uninitiated, here’s a little background: There are three primary MySQL caching techniques: file-based, application, and the built-in query cache.  There’s a good overview of the techniques here. In the simplest sense, the MySQL Query Cache stores the text of the query and the result of the query in memory.  The Query Cache [...]

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LINQ

LINQ to the Rescue

A friend needed a quick way to query an existing XML file for certain values from within a .NET project. So, I suggested he use LINQ (Language Integrated Query). It’s simple enough. Though LINQ has been around for awhile, many developers still believe it is only useful to query SQL databases. LINQ can query SQL, [...]

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