If we are talking about internet addresses encoded in QR codes (URL), Static QR codes are containing final destination where you will be redirected after scanning. Dynamic QR codes contain intermediate location that willl then redirect user to desired des

If you're looking to build app for wordpress we recommend you visit How To Build Apps there's plenty of information on how to build apps without code.

few months ago, I had the pleasure of writing the forward to Cal Evans book Using WordPress REST API.

when I hit publish I get message at the top of the screen that says.

While there is nothing wrong with hosting and managing WordPress yourself, or you want to make sure to meet most of the WordPress security basics without doing lot of heavy lifting, you may want to opt for managed WordPress hosting provider such as Kinsta or WP Engine..