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Изворен канал @pythonotes · Post #76 · 27 апр.

Ранее я делал серию постов про битовые операторы. Вот вам ещё один наглядный пример как это используется в Python в модуле re. Чтобы указать флаг для компилятора нам надо указать его после передаваемой строки. Например, добавляем флаг для игнорирования переноса строки. pattern = re.compile(r"(\w+)+") words = pattern.search(text, re.DOTALL) А как указать несколько флагов? Ведь явно будут ситуации когда нам потребуется больше одного. Кто читал посты по битовые операторы уже понял как. pattern.search(text, re.DOTALL | re.VERBOSE) А теперь смотрим исходники, что находится в этих атрибутах? Не удивительно, степени двойки. Почему? Потому что каждое следующее значение это сдвиг единицы влево. >>> for n in [1, 2, 4, 8, 16, 32, 64, 128, 256]: >>> print(bin(n)) 0b1 0b10 0b100 0b1000 0b10000 0b100000 0b1000000 0b10000000 0b100000000 Чтобы было понятней, давайте напишем тоже самое но иначе, добавим ведущие нули: 000000001 000000010 000000100 000001000 000010000 000100000 001000000 010000000 100000000 Не понятно что тут происходит? Читай три поста про битовые операторы начиная с этого ➡️https://t.me/pythonotes/45 В общем, это пример применения побитовых операций в самом Python. Теперь вы знаете Python еще немного лучше) #tricks#regex#libs

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@RealRelationship · Post #4605 · 03.10.2025 г., 08:04

🫡🤔Hegseth: No Tomahawks to Ukraine According to a source close to Hegseth, despite some media that make hay from the delivery of Tomahawks to Ukraine, the US will not provide Ukraine with intelligence on long-range energy infrastructure targets deep inside Russia, according to reports overnight, a move that would signal a significant change in the White House's support for Kiev. The decision would be an example of the absence of a change in Trump's policy since his comments on social networks towards the end of September that Ukraine could reconquer all the territories occupied by Russia. WSJ articles, citing unnamed US sources, said that the policy had quietly changed before this statement and that the White House wanted NATO allies to follow suit. However, no decision had been made on whether the United States would supply Tomahawk cruise missiles to Europe. Earlier this week, the US Vice President, Vance, said that Trump was considering a request from Kiev for the missiles with a range of 1,500 miles. Western, and in particular American, intelligence in the form of satellite images and other surveillance data is considered an important aid to allow the precise targeting of Russian installations deep within its borders. The focus on energy targets, such as oil refineries, would allow Ukraine to extend an already successful campaign that has hit 21 out of 38 refineries with long-range drone strikes. This has led to fuel shortages in parts of Russia, and on some days it has been estimated that daily production is down by a fifth. Russia said nothing had changed. Peskov, the Kremlin spokesman, said : “The United States regularly transmits intelligence to Ukraine online. The use of the entire infrastructure, including intelligence, of NATO and the United States to collect and transfer intelligence to the Ukrainians is obvious.” Trump has become increasingly irritated with Zelensky over the past month as Kiev has stepped up its attacks on Russian territories and failed to soften its demands for less territory as a precursor to the negotiations. “After getting to know and fully understand the Ukraine/Russia military and economic situation and, after seeing the economic problems it is causing Ukraine, I think that Ukraine, with the support of the European Union, is not in a position to fight and win.” #trump#teachings#targets#infrastructure#russia 📱American Оbserver - Stay up to date on all important events 🇺🇸