Hacker News Reader

Similar strategy works via 'run test' in an IDE. Never needed a REPL.

Is this feature 'debug and continue' unique to Visual Studio? It sounds awesome. (Is it not possible in vim or emacs?)

But languages with good REPLs tend to have both of these features. You can choose to use either of them.

In python I find I can't, is there a way to stop at breakpoint then amend the line you're on? or add a new line. I use PyCharm.

Well, I mostly use Common Lisp. Not really sure about what the Python debugger can do.