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這些情況中，美國都派出成千上萬的地面部隊作戰。特朗普對伊朗的攻擊目前僅限空襲，如同去年對伊朗核設施的攻擊。但他在接受《紐約郵報》短暫電話訪問時並未排除未來派遣地面部隊的可能，「如果有必要的話」。
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Backlash grew against homeland security secretary after slew of controversies from Trump’s immigration crackdown
Lazy DFAs (2010) are a clever optimization to mitigate the O(2^m) blowup of DFA construction, by only constructing the states that you actually visit. lazy DFAs reduce the theoretical automata construction time to either O(2^m) or O(n), whichever is lower. you could argue that it’s theoretically no longer linear time, since you could have a regex that creates a new state for every character in the input, but in practice you will keep revisiting the same states. for all intents and purposes it behaves more like O(n) with some initial wind-up time. the main downside of lazy DFAs is that they are more complex to implement, and you have to ship a compiler as part of your regex algorithm. i want to highlight Rust regex and RE2 as excellent implementations of this approach, which you can also see in the benchmarks.
pub table: Vec,