C#

Full source code available here. Have you ever wanted to execute a method on all implementations of an interface? Say you have an interface called IGenerator and four implementations of it – GeneratorA, GeneratorB, GeneratorC, and GeneratorD.

Full source code available here. About a month ago I wrote a post with a simple explanation of how to use methods that take Action or Action<T> as parameters. Actions themselves take 0 to 16 parameters and return nothing.

If you are using some legacy SQL in C# you’ll occasionally need to write a WHERE IN. You don’t want to end up writing something like the below, either directly or through some sort of loop.