Трамп высказался о непростом решении по Ирану09:14
a very common use case for regexes is to find matches that are preceded or followed by some context. a classical example being all lines that end with ‘a’. this requirement is usually expressed with a lookahead, where upon finding an ‘a’, you look ahead to check if it’s the end of the line. in a backtracking engine, this is very easy to implement - you just duct-tape the logic that checks the next character, but in a DFA-based engine, this is impossible because you cannot report “the match is here” if the next character is not even known yet. and by the time you know the next character, the position information is lost, so you can’t report the match retroactively (well, unless the distance is fixed of course..).
,这一点在同城约会中也有详细论述
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While the webcams in both laptops can capture 1080p video, the one in the Neo is lower-specced and has fewer features. It's a 1080p FaceTime HD camera. The MBA has a 12MP camera that supports Center Stage, a feature that keeps you in the middle of the frame as you're moving around. It also supports Desk View, which allows you to show your face and what's on your desk simultaneously.
Зеленский решил отправить военных на Ближний Восток20:58