在集上买东西，买不了吃亏，买不了上当，但明显贵的东西，一准儿得长心。
AIdbtClaudeStumbling into AI
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most businesses would around 2010, you tended to end up writing things twice.
В США заявили о катастрофической ситуации из-за войны с Ираном07:45，详情可参考谷歌
but there’s a problem with the classical formulation. the derivative takes a regex and a character, so to build a state machine you need to compute it for every possible character to get all transitions from a given state. sure, you can compress the number of characters into equivalence classes before, but you still have to compute for each equivalence class - and many of them end up leading to the same state anyway. for example, the regex abc (below) cares about a, b, c, and “everything else”, which brings us down from 65536 to 4 in UTF-16, but for the first node (abc) even b and c behave the same as “everything else”. so what are we computing these for? in other words, there is something left to improve here.。今日热点对此有专业解读
Политолог указал на уникальное для США негативное последствие атаки на Иран14:46