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Tell me the truth ... (piefed.jeena.net)
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[-] ricecake@sh.itjust.works 135 points 1 month ago

I set all 8 bits to 1 because I want it to be really true.

[-] laranis@lemmy.zip 94 points 1 month ago* (last edited 1 month ago)

01111111 = true

11111111 = negative true = false

[-] StellarSt0rm@lemmy.world 48 points 1 month ago
[-] ThatGuy46475@lemmy.world 28 points 1 month ago
[-] foofiepie@lemmy.world 22 points 1 month ago

100001111 = maybe not

[-] caseyweederman@lemmy.ca 3 points 4 weeks ago

0011 1111 = could you repeat the question

[-] assa123@lemmy.world 2 points 1 month ago

00000001 00000000 00001111 10101010

[-] tfm@europe.pub 6 points 1 month ago

Schrödingers Boolean

[-] Venator@lemmy.nz 1 points 4 weeks ago

Is this quantum computing? 😜

[-] VonReposti@feddit.dk 34 points 1 month ago

What if it's an unsigned boolean?

[-] ivanovsky@lemm.ee 25 points 1 month ago

Cthulhu shows up.

[-] laranis@lemmy.zip 3 points 1 month ago

Common misconception... Unsigned booleans (ubool) are always 16-bits.

[-] ricecake@sh.itjust.works 12 points 1 month ago

Could also store our bools as floats.

00111111100000000000000000000000 is true and 10111111100000000000000000000000 is negative true.

Has the fun twist that true & false is true and true | false is false .

[-] OpenStars@piefed.social 6 points 1 month ago

Why do alternative facts always gotta show up uninvited to the party? 🥳

[-] pocker_machine@lemmy.world 4 points 1 month ago

So all this time true was actually false and false was actually true ?

[-] laranis@lemmy.zip 3 points 1 month ago

Depends on if you are on a big endian or little endian architecture.

[-] pocker_machine@lemmy.world 6 points 1 month ago

Come on man, I’m not gonna talk about my endian publicly

[-] Jankatarch@lemmy.world 2 points 4 weeks ago

negative true = negative non-zero = non-zero = true.

[-] OpenStars@piefed.social 15 points 1 month ago

TIL, 255 is the new 1.

Aka -1 >> 1 : TRUE

[-] ricecake@sh.itjust.works 8 points 1 month ago

But only if you really mean it. If not, it's a syntax error and the compiler will know.

[-] p_consti@lemmy.world 12 points 1 month ago

I was programming in assembly for ARM (some cortex chip) and I kid you not the C program we were integrating with required 255, with just 1 it read it as false

[-] palordrolap@fedia.io 10 points 1 month ago

You jest, but on some older computers, all ones was the official truth value. Other values may also have been true in certain contexts, but that was the guaranteed one.

this post was submitted on 15 May 2025
1164 points (98.6% liked)

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