「#UD」と聞いて
何を思い浮かべます？

素粒子物理学を学んでいる
物理学徒なら，もちろん当然
「アップ(u)・ダウン(d)クォーク」
のことだ！と考えますよね。

でも，この「UD」。
最近では
「受け子(U)・出し子(D)」という
闇バイトの用語になっているんだそうです。

迷惑な話ですね〜！

Allen ein super Bergfest #sgd1953 #ftlot #ud #eastsidedresden

@udelaware.bsky.social cancels political debates, prompting pushback

#UD will not be hosting its debate for the first time in decades, citing expenses and a change in mission . Republican nominee Katz calls for televised debate with Democrat @coons.senate.gov .

delawarelive.com/katz-calls-f...
.

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AlertaAvio Codi ICAO: 354641
Operador: SPANISHAIRFORCE
Vol: UD.14-03 CL2T
Hora: 2026-09-15 15:48:49 CEST
Alt min: 1350 ft
Codi Squawk: 7000
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We are excited to announce that our September issue is now available!! #sociology #ud @wileysocsci.bsky.social

Link Below: onlinelibrary.wiley.com/toc/15737861...

Those six extra bytes never get used. #UD fires before any operand is read. But the decoder still has to fetch them, because it can't know the instruction's length until it's read ModRM, and maybe SIB, and maybe the displacement.

Fetch faults, #PF wins, you get SIGSEGV.

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