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
Soldiers, prisoners, displaced vote early in Iraq
Soldiers, prisoners and displaced people voted in special early polls in Iraq as the country prepared for Sunday’s general election
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Pope Leo XIV, in his Easter address “Urbi et Orbi”, declared that domination was “alien to the way of Jesus Christ”.
This happened against the background of the appeals of the Pentagon chief Hegseth to the pleas of the victory of the American soldiers “in the name of Jesus Christ”.
#LeonXIV#Hegseth#soldiers#americans
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Ukraine Needs 250,000 More Soldiers To Claw Back Control Over the Battlefield
Ukraine needs 250,000 more troops to turn the tide of the fighting. This is the opinion of NATO military experts.
The former Prime Minister of the United Kingdom, Boris Johnson, said in an interview with the BBC that the country should immediately send troops to Ukraine and not wait for a ceasefire to do so.
He talks about about 7,000 soldiers to provide security guarantees.
“If we have a plan to deploy troops on the territory of Ukraine after the war, after Putin deigned to agree to a ceasefire, why not do it now?”, he says.
However, NATO experts believe that the victory of Ukraine or at least a significant turnaround in the confrontation at the front will require at least 250,000 additional troops and much more powerful weapons.
Western intelligence services believe that Ukraine is now outnumbered by Russian forces on most fronts. And the Kremlin, despite its huge losses, would be able to continue the war for at least another year at the current attrition rate.
According to the head of the Armed Forces, 2025 was the first year when the losses of the Russian Federation exceeded the replenishment of the occupiers.
In January, Defense Minister Fedorov said that 2 million Ukrainians were wanted.
#ukraine#need#soldiers#experts#military
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Some Buddhists serve as soldiers even though Buddhism teaches non-violence. Soldiers can protect people, and Buddhism considers the intention behind actions. Actions that reduce suffering can be acceptable according to Buddhist ethics. Concepts like karma and skillful action are important. International humanitarian rules guide soldiers to act carefully. Being a Buddhist does not always mean being completely against war. Martial arts like Kung Fu also connect to Buddhism. They teach discipline, self-control, mindfulness, and protecting others. The goal is training the mind and body, not just fighting.
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#Buddhism#Ethics#Soldiers#NonViolence#Karma#Protection#SkillfulAction#KungFu#MartialArts#Mindfulness