notice: please create a custom view template for the views class view-views.html
check if a variable is undefined or NULL
check if a variable is undefined or NULL
linked_class
code
linked_uid
SYTk7
views
8
week_num
3
month_num
1
year_num
22
id: 17403
uid: 7VTQg
insdate: 2022-01-17 01:14:33
title: check if a variable is undefined or NULL
additional:
category:
linked_class: code
linked_uid: SYTk7
views: 8
week_num: 3
month_num: 1
year_num: 22
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