Matt Hidinger

Matt Hidinger

Makin stuff

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Recent Posts

Much better File In Use dialog in Windows 7

less than 1 minute read

A very welcomed addition to the all-too-common File In Use dialog when trying to delete a file that a process has locked.

Cryptic Entity Framework exception when a table is missing a primary key

less than 1 minute read

Unable to update the EntitySet ‘PlanPriceHistory’ because it has a DefiningQuery and no <InsertFunction> element exists in the <ModificationFunctionMapping> element to support the current operation.

DateTime.Now is not [deterministically] testable

3 minutes read

Unit testing a method that relies on DateTime.Now is generally a challenge. Take the below example, which was the first version of a method to get the Current Price of a Product. The business rule for GetCurrentPrice() is simple: find the most recent price where the effective date is not in the future.

Have you tried Google to find that?

less than 1 minute read

Researching strategies for unit testing view model mappers… It never occurred to try google.com to find that information…

Rename namespaces intelligently with ReSharper

1 minute read

As is usually the case when I encounter a pain point while developing with Visual Studio, a quick google search reminds me that all along this problem has been solved for me. Today’s lesson is brought to you by the all-to-common namespace renaming. Earlier today I started cleaning up the file structure in the Solution Explorer, and up until now I would resort to a clumsy Solution Wide Find-Replace to fix up the namespaces after the files were moved into their more logical placement.