I was searching through email today looking for a LINQPad snippet that a colleague, James Miles, wrote some time ago, one which we used to generate the scripts for a production SQL Server database + transaction log point in time restore after IT had a little SAN mishap!
In doing so, I came across this gem from James: Solving Puzzles in C#: Poker Hands, which is not just a great example of writing a recursive function but of problem solving in general. [Where I used to work, we often used to have a Friday puzzle where I tried to come up with or find puzzles that wouldn’t be easy to solve by brute force. This was one of the many times I was thwarted by James and others!]