check if a variable is undefined or NULL

check if a variable is undefined or NULL

linked_class

code

linked_uid

SYTk7

views

5

week_num

45

month_num

11

year_num

24

id: 212585
uid: VEBtd
insdate: 2024-11-04 02:53:31
title: check if a variable is undefined or NULL
additional:
category:
linked_class: code
linked_uid: SYTk7
views: 5
week_num: 45
month_num: 11
year_num: 24

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This is my test area for webdev. I keep a collection of code here, mostly for my reference. Also if i find a good link, i usually add it here and then forget about it. more...

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The shape-image-threshold CSS property sets the alpha channel threshold used to extract the shape using an image as the value for shape-outside.
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