SingleOrDefault looks like a small query choice. In practice, it is an assertion about your data model: for this predicate, zero or one row may exist. That assertion is valuable when storage enforces the same rule. When the database permits duplicat...

A notification badge looks like a small feature. In a distributed application, it can expose a large architectural assumption. I recently investigated a badge that sometimes stayed stale in an ASP.NET Core and Blazor application running across multi...