In file C:\xampp\htdocs\eclass\include\action.php on line 25 : Unable to execute statement:"Table '.\eclass\actions_daily' is marked as crashed and should be repaired", sqlstate:"145", errornum:"HY000", statement:"SELECT id, TIME_TO_SEC(TIMEDIFF(NOW(), last_update)) AS diff, module_id FROM actions_daily WHERE user_id = ? AND course_id = ? AND day = DATE(NOW()) ORDER BY last_update DESC LIMIT 1", elapsed:0.229013
In file C:\xampp\htdocs\eclass\include\action.php on line 50 : Unable to execute statement:"Table '.\eclass\actions_daily' is marked as crashed and should be repaired", sqlstate:"145", errornum:"HY000", statement:"SELECT id FROM actions_daily WHERE user_id = ? AND module_id = ? AND course_id = ? AND day = '2024-07-22'", elapsed:0.004
In file C:\xampp\htdocs\eclass\include\action.php on line 71 : Unable to execute statement:"Table '.\eclass\actions_daily' is marked as crashed and should be repaired", sqlstate:"145", errornum:"HY000", statement:"INSERT INTO actions_daily SET user_id = ?, module_id = ?, course_id = ?, hits = 1, duration = 900, day = '2024-07-22' , last_update = NOW() ", elapsed:0.001
Το Πρόβλημα της Δυναμικής Επιλογής Μεγέθους Παρτίδας (Dynamic Lot Sizing Problem - DLSP). Ευρετικές πολιτικές DLSP (σταθερή ποσότητα παραγγελίας, σταθερή περίοδος παραγγελίας, εξισορρόπιση τεμαχίων-περιόδων, ευρετική μέθοδος Silver-Meal). Βέλτιστη στρατηγική DLSP (Wagner-Whitin). Επέκταση του DLSP στην περίπτωση ύπαρξης περιορισμών δυναμικότητας.
