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Monday, September 19, 2011

Inheritance and Representation

by Eric Lippert via Fabulous Adventures In Coding on 9/19/2011 5:18:00 PM

(Note: Not to be confused with Representation and Identity) Here's a question I got this morning: class Alpha<X>   where X : class {}class Bravo<T, U>   where T : class   where U : T {  Alpha<U> alpha;} This gives a compilation error stating that U cannot be used as a type argument for Alpha's type parameter X because U is not known to be a reference type. But surely U is known to be a reference type because U is constrained to be T, and T is constrained to ...

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IT Scenarios for the Cloud

by JD Meier via J.D. Meier's Blog on 9/19/2011 3:42:54 PM

“I think it is one of the foundations of the next generation of computing." -- Tim O'Reilly While putting together lessons learned from our Cloud-related Enterprise Strategy engagements, we consolidated a set of recurring IT scenarios and themes.  You may find these useful if you are thinking about cloud opportunities from an IT perspective, and are looking for some common patterns and perspectives. IT scenarios for the Cloud are technical scenarios that can ultimately be linked back ...

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Figuring out the IIS Version for a given OS in .NET Code

by Rick Strahl via Rick Strahl's Web Log on 9/19/2011 2:50:56 AM

Here's an odd requirement: I need to figure out what version of IIS is available on a given machine in order to take specific configuration actions when installing an IIS based application. I build several configuration tools for application configuration and installation and depending on which version of IIS is available on IIS different configuration paths are taken. For example, when dealing with XP machine you can't set up an Application Pool for an application because XP (IIS 5.1) didn't su ...

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