"Idempotent" may be jargon, but the term performs an important job in HTTP as a hall pass that gives reverse proxies and gateways the go-ahead to cache complex query responses and automatically retry ...

Explainer - Want to send a postcard to your nana in Timaru? It's going to be a bit dearer from today. The price of sending a standard letter is going up to $3.60 from 1 July, the latest in a series of ...