On Saturday, June 30, 2018 at 6:39:36 PM UTC-4, MRAB wrote: > On 2018-06-30 23:01, T Berger wrote: > > On Friday, June 29, 2018 at 7:00:15 PM UTC-4, Cameron Simpson wrote: > > > >> The key point here from Jim is "simultaneously". Are you properly shutting > >> down > >> the Flask instance in IDLE before running from Terminal, and vice versa? > > > > Cameron, I try every option to quit either program, but they don't work. Or > > I should say, they mostly don't work. Once in a while they do. The one > > option which works (which is not a feasible option) is rebooting my Mac > > (actually that might not work either. I think I got the error message again > > this morning when I rebooted). > > > >> Otherwise both will try to use the same local port and There Can Be Only > >> One. > >> > >> Do you need to run from both environments at the same time? I'd have > >> thought > >> not, which also leads me to: why are you flicking from IDLE to Terminal? I > >> would have imagined using one or the other normally, not both. It isn't > >> wrong > >> to use both, just surprising. > > > > I'm working from a Python manual. I created the webapp in IDLE, and test it > > in Terminal, per the instructions in the manual. I use IDLE to edit my > > program, and then test it in terminal. When I go from one to the other, I > > get the error message. IDLE has a keyboard shortcut for quitting the > > shell—Cntl + C—but it doesn't work. Neither does restarting the shell. > > Neither does entering the kill command line, not in IDLE or terminal. > > Ctrl+C is the shortcut for interrupting a Python program running on > IDLE's or Windows command line. In IDLE's editor, Ctrl+C is the shortcut > for copying text the clipboard. > > The keyboard shortcut for quitting IDLE completely is Ctrl+Q. > > > > > Do you have any other suggestions? I'm going to email the writer. He > > doesn't mention how to deal with problems that might arise from working > > with two programs at the same time. Maybe Cntl+C should do it, but in my > > case it doesn't. > >
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