See raining iguanas and coral from the inside out — February’s best science images

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Ken Thompson, perhaps one of the most well-known computer scientists of all time, created the grandfather of all regex algorithms in 1968, inspired by Brzozowski’s work, but only included OR (|) as a boolean operator. and somewhere in the process also changed the meaning of union to alternation by always choosing the left branch when both branches could match, but let’s skip ahead, we got plenty more tangents to avoid here.

I dropped to the floor and couldn't move - spiking can happen anywhere

07版搜狗输入法下载对此有专业解读

Оказавшиеся в Дубае российские звезды рассказали об обстановке в городе14:52

Предсказана реакция стран ЕС на план ускоренного вступления Украины14:48

李晓晴