The Existential Crisis of NaN: We Are Not the Same
Description
This meme uses the popular 'We Are Not the Same' format, which features actor Giancarlo Esposito as the character Gus Fring from 'Breaking Bad'. He is shown in a sharp suit, adjusting his tie with a stern, confident look. The meme is cleverly adapted for a deep-cut computer science joke. The top text reads, 'I AM NaN'. The middle text says, 'YOU ARE NaN'. The punchline at the bottom is, 'WE ARE NOT THE SAME'. The humor is rooted in the IEEE 754 standard for floating-point arithmetic, which is used in almost all modern programming languages. A core, and often perplexing, property of the special value 'NaN' (Not a Number) is that it is not equal to any other value, including itself. Therefore, a comparison like `NaN === NaN` will always evaluate to `false`. The meme perfectly captures this technical absurdity, as the statement 'we are not the same' is literally true, even if both values are NaN
Comments
15Comment deleted
The first rule of NaN club is: you do not equal yourself. The second rule of NaN club is: you DO NOT equal yourself
IEEE-754 taught me that even two NaNs in the same register refuse to acknowledge equality - exactly how our microservice teams behave when someone whispers “schema v2.0.”
After 20 years in this industry, I've accepted that JavaScript's NaN behavior is like that one microservice in production - technically correct according to IEEE 754, universally acknowledged as confusing, yet somehow critical to the entire ecosystem's backwards compatibility that we're all too afraid to fix
The only value in JavaScript that practices radical individualism so thoroughly it refuses to equal even itself - NaN is the ultimate non-conformist, breaking the reflexive property of equality and causing senior engineers to add 'Number.isNaN()' checks everywhere like paranoid type guards, because apparently 'NaN === NaN' returning false wasn't enough of a footgun for the TC39 committee
Only in IEEE-754 can two identical failures be unique keys; NaN !== NaN, so your dedupe job just doubled the customer base
NaN !== NaN: floating-point's eternal reminder that self-awareness is overrated in production metrics
Pro tip: when deduping by a float key, you’ll either get infinite NaNs in Python sets or exactly one in a JS Set - define the equality contract before your data pipeline discovers metaphysics
But we are both numbers Comment deleted
Nope. We are not. Comment deleted
Yes you are both instance of numbers Comment deleted
A im NaN you are "NaN" Comment deleted
cries in ieee 754 Comment deleted
Teeextrakt Comment deleted
? Comment deleted
Intrusive thoughts when I say the I tripple E again Comment deleted