13:24, 5 марта 2026Мир
Медведев переиграл канадца Феликса Оже-Альяссима в двух сетах со счетом 6:4, 6:2. Встреча продлилась один час и 23 минуты.。PDF资料对此有专业解读
almost every regex engine today descends from one of two approaches: Thompson’s NFA construction (1968) or backtracking (1994). Thompson-style engines (grep, RE2, Rust’s regex) give you linear-time guarantees but only support the “standard” fragment - | and *. backtracking engines (the rest, 95% chance the one you’re using) give you a mix of advanced features like backreferences, lookarounds.., but are unreliable, and can blow up to exponential time on adversarial inputs, which is a real security concern known as ReDoS. to be more precise, this exponential behavior is not the only problem with backtracking engines - they also handle the OR (|) operator much slower, but let’s try to start with the big picture.。PDF资料对此有专业解读
Армия обороны Израиля (ЦАХАЛ) сообщила о занятии контрольных позиций в южном Ливане в рамках операции против шиитской группировки «Хезболла». Заявление ЦАХАЛ опубликовано в Telegram.，更多细节参见PDF资料