274
What the fuck javascript
(lemmy.nz)
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this post was submitted on 14 Nov 2026
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Same reason NULL != NULL. It makes sense if you understand how these values work.
That doesn't smell right.
https://richiban.uk/2016/12/21/does-null-equal-null/
ISNULL may be true, whilst NULL != NULL. NULL is not a value.
Ah, my brain was in C mode, where NULL is functionally 0. This is about the concept, which doesn't apply equally to all languages.
Yep. There are some languages where this applies, because it’s a mathematical concept. The point is it’s the same ‘no value’ concept, which isn’t ~~shared by~~ implemented the same way by all languages.
C is strongly typed, and uses pointers, so NULL sort of intrinsically has a value in C.
edit: my wording was a bit off
You can kinda think of it as null meaning undefined. In this case, "undefined does not equal undefined" seems easier for me to wrap my head around