How to Get the Physical Path of an ASP.NET Application

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This is one of those things I do infrequently enough that every time I need to, I ask myself "Now how do I do that again?". So I'm posting this here not only to help anyone else who needs to do this, but also to be able to easily remind myself how next time I need to.

To get the physical path of an ASP.NET application, you can use:
HttpContext.Current.Request.PhysicalApplicationPath

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