Annotation of loncom/html/adm/help/tex/Spreadsheet_Completely_Recalc.tex, revision 1.1
1.1 ! bowersj2 1: The total number of sheets in course can be tremendous, since it is
! 2: the number of students times the number of assessments. LON-CAPA
! 3: caches these sheets and only selectively invalidates those cache
! 4: copies if potentially relevant data changes. \textbf{Completely
! 5: Recalc} forces LON-CAPA to invalidate all cache copies.
! 6:
! 7: For instance, this is necessary to get the most up-to-date
! 8: calculations if the sheet itself contains direct access to the system
! 9: clock (making it ``out-of-date'' the moment it is calculated), or if
! 10: an assessment is edited in a way that would retroactively change
! 11: grading. The automatic spreadsheet invalidation catches student
! 12: submissions, \textbf{PAR}a\textbf{M}eter changes, and spreadsheet
! 13: changes, but not re-publication of a problem resource.
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