Wait, you want to use factorials or you want to use recursion? A factorial-based approach would involve mapping 0.. (n! - 1) to different permutations.

Recursion is (in many, but not all) languages slightly slower, and it does have some dangers (smashing the stack), but used properly it's a completely legitimate, valuable tool for production code.

First, a summary of the study: An influential hypothesis, put forward by Noam Chomsky and colleagues, is that one ability - recursion - enables language, and that humans are alone in having this ...

'Recursion' is in development as a whole Netflix universe by Shonda Rhimes and Matt Reeves. But you've got to read the book first to know why.

Today, the value of this approach is widely recognised even by most pharmaceutical companies, a number of which – including Sanofi, Roche and Genentech, Bayer, and Merck KgaA – have partnered with ...