check if a variable is undefined or NULL

check if a variable is undefined or NULL

linked_class

code

linked_uid

SYTk7

views

16

week_num

31

month_num

8

year_num

23

id: 120583
uid: vKreD
insdate: 2023-08-01 08:20:36
title: check if a variable is undefined or NULL
additional:
category:
linked_class: code
linked_uid: SYTk7
views: 16
week_num: 31
month_num: 8
year_num: 23

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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...

You could also follow me on twitter. I have a couple of youtube channels if you want to see some video related content. RuneScape 3, Minecraft and also a coding channel here Web Dev.

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🪦 2000 - 16 Oct 2022 - Boots
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Do you want to be right or happy? You can’t be both.

Suggests that in many situations - especially in relationships or arguments - insisting on being right can come at the cost of harmony or peace of mind. It implies that prioritizing your ego or the need to win an argument may damage relationships or personal contentment, whereas letting go of that need (even if you’re technically right) may lead to greater happiness.


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The :hover CSS pseudo-class matches when the user interacts with an element with a pointing device, but does not necessarily activate it. It is generally triggered when the user hovers over an element with the cursor (mouse pointer).
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