How to close a subsession and resume the main session?

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  • Thread starter Swamp Thing
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  • #1
TL;DR Summary
Ending a subsession in Mathematica
While running a long calculation in a cell, you can do Evaluation > Interrupt Evaluation. A dialog box appears, offering the option of starting a subsession.

But it's not clear how to close the subsession and resume the original calculation. I couldn't find anything on the net.
 
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  • #2
From https://reference.wolfram.com/language/ref/Dialog.html:
  • You can exit a dialog using Return[].
  • If you exit with Return[expr], then expr is the value returned by the Dialog function. Otherwise, the value returned is the expression on the last output line in the dialog.
 
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  • #3
Nice !
I would never have made the connection. It doesn't seem obvious what a front end menu UI dialog box has to do with the Dialog[ ] thing.
 

1. How do I properly close a subsession and resume the main session?

To close a subsession and resume the main session, you must first make sure that all necessary data and results have been saved. Then, you can use the proper command or function to exit the subsession and return to the main session.

2. Are there any specific steps or protocols that should be followed when closing a subsession?

Yes, it is important to follow specific steps when closing a subsession. These may include saving all data, terminating any running processes, and properly exiting the subsession. It is also important to check for any errors or warnings before resuming the main session.

3. Can a subsession be closed and resumed multiple times within a single main session?

Yes, a subsession can be closed and resumed multiple times within a single main session. However, it is important to ensure that all necessary data is saved and that any processes are properly terminated before each subsession is closed.

4. Is it possible to resume a main session without closing the subsession?

In most cases, it is not possible to resume a main session without first properly closing the subsession. Attempting to resume a main session without closing the subsession may result in data loss or errors.

5. What should I do if I encounter errors or issues when closing a subsession and resuming the main session?

If you encounter errors or issues when closing a subsession and resuming the main session, it is important to carefully review the steps you have taken and ensure that all necessary data has been saved. You may also need to consult any relevant documentation or seek assistance from a colleague or supervisor.

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