How do I reconnect to a Jupyter session if I get disconnected?
If you happen to close the browser tab running Jupyter Notebook, you can reconnect using the link on the notebook setting page. You will lose the state for any kernels that are active but the kernel will continue executing whatever cell was executing before the browser was closed. You can go to view > show log console and change Log Level to Info to view any updates that your code might be printing. If you have multiple notebooks running, it might be difficult to make out the source notebook.
You will lose the state for any kernels that are active. ie:
Jupyter community is actively working to resolve this issue in upcoming releases. More info here.