Looping is a powerful technique that enables you to write tighter code. Tighter code is smaller, more efficient, and usually—but not always—more readable. As a developer, you will often encounter ...

Correspondence to Dr Brent E Hagel, Department of Paediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada; brent.hagel{at}albertahealthservices.ca Background ...