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Glad you asked, as we have already written this article: https://blog.wearewizards.io/how-to-use-nixops-in-a-team


Ah, I've already read that and I didn't realize you guys wrote it :)

Thanks for the writeup!


We were in a similar situation a few months ago when Mitro announced that they were shutting down their service.

Mitro's owner being really nice, they open-sourced the browser extensions, server and mobile applications so we used them to run our own: https://passopolis.com/

We plan to keep the code open-source and we're working hard at the moment to introduce the organisation feature useful for start-ups. We plan to make the organisation feature a premium service so we can justify running and improving Passopolis for as long as it stays useful.



Road trip!


Coming this summer!


You wish for it, HTML5 delivers. http://pepsdev.com/pendulums/


A slight tweak to draw the pendulums too makes the simulation look much nicer:

      function draw (Ls, t, h) {
         // only for in the program, needed?
        for (var i = 0; i < Ls.length; i++) {
          ...
          ctx.lineTo(h * L, 0)
          ctx.arc(h * L, 0, 6, 0, 360)
          ctx.stroke()
          ctx.fill()
          ...
        }
      }
to do it right you really need to start another path, but this works fine in Chrome (looks little wonky in Firefox)


thanks, that's much nicer indeed.


awesome! at 60 seconds my theory is confirmed! thanks


Don't miss the moiré patterns in the wires.


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