Subscribed
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Subscribed means that data is watched for changes and when change occur an invalidation signal is sent to the subscriber. Subscribers are often expressions. Results of expressions are cached and the answer is only computed if the expression has never been evaluated on read or has received an invalidation signal due to dependent data change. | Subscribed means that data is watched for changes and when change occur an invalidation signal is sent to the subscriber. Subscribers are often expressions. Results of expressions are cached and the answer is only computed if the expression has never been evaluated on read or has received an invalidation signal due to dependent data change. | ||
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Revision as of 08:12, 9 January 2023
This page was created by Hans.karlsen@mdriven.net on 2021-04-08. Last edited by Edgar on 2025-01-20.
Subscribed means that data is watched for changes and when change occur an invalidation signal is sent to the subscriber. Subscribers are often expressions. Results of expressions are cached and the answer is only computed if the expression has never been evaluated on read or has received an invalidation signal due to dependent data change.