Speaking of, I don't mind that in principle, but why does it linger so long on the "Success" page? It adds a handful of milliseconds of page loading and 30ms of computation, and an eternity (~seconds) of just an unnecessary delay before even starting to load the site I actually wanna go to, whys that?
Makes the page entirely unreachable from within the Harmonic hacker news client on android... Good idea in practice but defeats the purpose if it blocks legitimate users.
It's not a good idea in practice precisely because it blocks legitimate users. As it always will. It's not possible to do this sort of thing without blocking legitimate users.
Is there a significant difference between that package and SageMath / XCas / Octave and friends? While a bit arcane, I've always been a great fan of xcas
The flightplans get shared and updated with every involved area. Usually those can say no ahead of time and always at the time of airspace entry (entering US airspace for example)
What checks the FAA does to those plans, I doubt we'll ever know
Now granted there is usually a second planner controller that does not talk to traffic but is responsible for looking ahead, perhaps that was affected by the shortage