Steve Fenton


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Counting a Non-Generic IEnumerable

You rarely come across them in 2021, but there is such a thing as a non-generic IEnumerable. They exist in System.Collections rather than System.Collections.Generic. Since .NET 2 pretty much everyone is full-on using generics as they are the best thing since curly-braces… but occasionally you find one and even more rarely you need to count […]

Duplication vs Coupling

There is a generally understood principle of programming that says if you remove duplication, you introduce coupling. For example, you have two classes that have similar code, so you create a function that they both call. Now the two classes are coupled to the function. You make one thing better, but something else gets worse. […]

Strings Contain Empty Strings

This is just one of those philosophical moments in programming where one small details can have a big impact. In C# / .NET you will find that when you ask if a string contains an empty string (string.Empty), the answer is yes. This may seem logically surprising so it is worth bearing in mind should […]