NotSpez@lemm.ee to Ask Lemmy@lemmy.world · 1 year agoWhat is a well known 'public secret' in the industry you work in that the majority of outsiders are unaware of?message-squaremessage-square329fedilinkarrow-up1307arrow-down14
arrow-up1303arrow-down1message-squareWhat is a well known 'public secret' in the industry you work in that the majority of outsiders are unaware of?NotSpez@lemm.ee to Ask Lemmy@lemmy.world · 1 year agomessage-square329fedilink
minus-squareSHITPOSTING_ACCOUNT@feddit.delinkfedilinkarrow-up6·1 year agoSigned integers. The number indeed goes to 2^32 but the second half is reserved for negative numbers. With 8 bit numbers for simplicity: 0 means 0. 127 means 127 (last number before 2^(7)). 128 means -128. 255 means -1.
minus-square257m@lemmy.mllinkfedilinkarrow-up0arrow-down1·1 year agoWhy not just use unsigned int rather than signed int? We rarely have to store times before 1970 in computers and when we do we can just use a different format.
Signed integers. The number indeed goes to 2^32 but the second half is reserved for negative numbers.
With 8 bit numbers for simplicity:
0 means 0.
127 means 127 (last number before 2^(7)).
128 means -128.
255 means -1.
Why not just use unsigned int rather than signed int? We rarely have to store times before 1970 in computers and when we do we can just use a different format.