UnregisterExternalEvaluator   

Listing of External Evaluators »

UnregisterExternalEvaluator[sys,evaluator]

unregisters the external evaluator referenced by evaluator for system sys so that it is not used by ExternalEvaluate and related functions.

Details

Examples

open allclose all

Basic Examples  (2)

Remove an evaluator so that ExternalEvaluate cannot find it:

Register the evaluator so it can be used:

Unregistering an evaluator does not prevent explicit usage:

Register it again with RegisterExternalEvaluator to restore the previous condition:

Scope  (2)

Get all installations and randomly choose one to be the preferred installation:

Unregister all installations except the preferred one:

Now all of the installations except the preferred are unregistered for use:

Define a reference to a database using SQLite:

Register the database using RegisterExternalEvaluator:

When using ExternalEvaluate, "SQL" will use the most recently registered database:

Unregister the database:

Wolfram Research (2017), UnregisterExternalEvaluator, Wolfram Language function, https://reference.wolfram.com/language/ref/UnregisterExternalEvaluator.html (updated 2020).

Text

Wolfram Research (2017), UnregisterExternalEvaluator, Wolfram Language function, https://reference.wolfram.com/language/ref/UnregisterExternalEvaluator.html (updated 2020).

CMS

Wolfram Language. 2017. "UnregisterExternalEvaluator." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2020. https://reference.wolfram.com/language/ref/UnregisterExternalEvaluator.html.

APA

Wolfram Language. (2017). UnregisterExternalEvaluator. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/UnregisterExternalEvaluator.html

BibTeX

@misc{reference.wolfram_2024_unregisterexternalevaluator, author="Wolfram Research", title="{UnregisterExternalEvaluator}", year="2020", howpublished="\url{https://reference.wolfram.com/language/ref/UnregisterExternalEvaluator.html}", note=[Accessed: 15-January-2025 ]}

BibLaTeX

@online{reference.wolfram_2024_unregisterexternalevaluator, organization={Wolfram Research}, title={UnregisterExternalEvaluator}, year={2020}, url={https://reference.wolfram.com/language/ref/UnregisterExternalEvaluator.html}, note=[Accessed: 15-January-2025 ]}