Sjmarf@sh.itjust.works to Programmer Humor@programming.dev · 1 month agoLDACsh.itjust.worksexternal-linkmessage-square22fedilinkarrow-up13arrow-down10
arrow-up13arrow-down1external-linkLDACsh.itjust.worksSjmarf@sh.itjust.works to Programmer Humor@programming.dev · 1 month agomessage-square22fedilink
minus-squaremsfroh@lemmy.calinkfedilinkarrow-up1·1 month agoSo when you zip some files and then unzip them, some of the bytes are missing? Really?!
minus-squareAnUnusualRelic@lemmy.worldlinkfedilinkarrow-up1·1 month agoIt’s only the zeros, so you’re not really missing anything.
minus-squareKanda@reddthat.comlinkfedilinkarrow-up0·1 month agoIf nothing is lost, what did you compress away? Decompression is magic, I ain’t gotta explain shit
minus-squareSwedneck@discuss.tchncs.delinkfedilinkarrow-up1·edit-21 month agoyou compressed away redundant data, 1111111000000000011111111 -> (1x7)(0x10)(1x8)
minus-squareKayana@ttrpg.networklinkfedilinkarrow-up1·1 month agoIf you want the magic explained, here’s a start: https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Welch
minus-squareenbipanic@lemmy.blahaj.zonelinkfedilinkEnglisharrow-up1·1 month agoSome compression is lossy
Compression is lossy.
So when you zip some files and then unzip them, some of the bytes are missing? Really?!
It’s only the zeros, so you’re not really missing anything.
If nothing is lost, what did you compress away? Decompression is magic, I ain’t gotta explain shit
you compressed away redundant data, 1111111000000000011111111 -> (1x7)(0x10)(1x8)
If you want the magic explained, here’s a start: https://en.wikipedia.org/wiki/Lempel%E2%80%93Ziv%E2%80%93Welch
Some compression is lossy