csm10495 comments on Actually not funny

[–] csm10495@sh.itjust.works 3 points 3 years ago* (last edited 3 years ago) (4 children)

Isn't NULL a macro in C for 0? So doesn't that mean these items are free?

[–] coloredgrayscale@programming.dev 2 points 3 years ago

In a way it's still the same with more modern languages. Especially OOP, setting an object to Null is just setting the address pointer to to 0x00000000.

Hence NullPointerException / NullReferenceException or similar, depending on the language.

permalink

fedilink

source

parent

[–] Haus@kbin.social 2 points 3 years ago (1 child)

I'd guess, in context, it's a floating point price column that hasn't been set, and the table designer didn't specify the column to be NOT NULL.

permalink

fedilink

source

parent

hideshow 2 child comments

[–] csm10495@sh.itjust.works 2 points 3 years ago

I guess Rust would have solved the problem as well.

permalink

fedilink

source

parent

[–] kamenlady@lemmy.world 2 points 3 years ago

Null is zero in german - so this must be free, it's a german shop

permalink

fedilink

source

parent

[+] ImpossibleRubiksCube@programming.dev 1 point 3 years ago* (last edited 2 years ago)

[deleted]

permalink

fedilink

source

parent

lemmy:	0.19.20
mlmym (mschae):	26.3.3