@levit_world · Post #1706 · 24.10.2024 г., 10:11
#Noob-Saibot_style
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Изворен канал @pythonotes · Post #22 · 19 јан.
Заметка начинающим, которые часто сталкиваются с подобной непоняткой. Ситуация следующая, есть список файлов: names = [ 'image.bmp', 'second.txt.bkp', 'data.db', '.config.cfg', 'file.ext.bkp' ] И мы хотим убрать у них окончание ".bkp". Не знаю зачем, пример довольно надуманный) Но суть он показывает, а это главное. Те, кто еще не очень знаком с библиотекой os.path или pathlib, вероятно решат обработать имена как строки. И тут вполне подойдет метод строки strip(). Что делает этот метод? Он отрезает указанные символы по обеим сторонам строки. Если ничего не указать, то убирает невидимые символы (пробелы, табуляции и переносы строк). В нашем случае будет выглядеть вот так: >>> name.strip('.bkp') То есть просим удалить строку '.bkp' по краям имени файла, если таковая есть. Можно применить аналогичный метод rstrip(), чтобы отрезать только справа, но для этого примера используем обычный. >>> for name in names: >>> print(name.strip('.bkp')) image.bm second.txt data.d config.cfg file.ext Хм, что-то не то с нашими именами! Что случилось??? Видим нежелательное переименование в именах, где и близко не было указанной строки '.bkp' А дело всё в том, что данный метод ищет не указанную строку, а указанные символы, и не важно в каком порядке. Для метода strip() строка '.bkp' это не паттерн для поискаа список символов. Потому он отрезал симовол 'p' от '.bmp' и удалил точку из файла '.config.cfg'. Как тогда правильно заменить именно паттерн? Для начинающего можно посоветовать метод строки replace(), который как раз использует для замены указанную строку целиком. В нашем примере заменим её на пустую строку. >>> for name in names: >>> print(name.replace('.bkp', '')) image.bmp second.txt data.db .config.cfg file.ext Уже лучше, но помните, это лишь пример про strip(). Для работы с именами файлов есть способы и более "правильные", дающие однозначно верный результат. Я взял файлы только в качестве примера. Даже replase() тут может сделать не то что ожидаем. Просто впредь будьте внимательны с этим strip(). #basic
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Пребарај: #noob
@levit_world · Post #1706 · 24.10.2024 г., 10:11
#Noob-Saibot_style
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@PensivePost · Post #4837 · 28.01.2021 г., 09:14
A heart that flickers, a tear that glimmers and an ink that spills. It's really not that deep, you're just too shallow. #review#noob#poetry
@PensivePost · Post #5170 · 06.05.2021 г., 06:10
I knew a girl who liked to draw, Pictures for only her eyes. She was more artistic late at night. Her drawings were different, No paper, No pen. But she needed a bandage, And wore long sleeves twenty-four/seven. We stood by the river, Under the stars, When she rolled up her sleeves And showed me her scars. She felt embarrassed and stared at her shoe. Then I rolled up my sleeves and whispered, "I draw too." #review#yourreview#noob
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@PensivePost · Post #4753 · 17.01.2021 г., 14:31
Honesty for one, behold my love. I'll come in your dreams, For every night that I'm gone. Honesty for one, Behold my Love. #review#noob#prose Author's note: This might not make sense because: There's a song that I only remember by the deep voice of the singer, the melody and the vague-not-so-understood lyrics. These are the words that match that voice and my feelings. And obviously not the exact lyrics.
@PensivePost · Post #4749 · 17.01.2021 г., 05:13
Faith is a big word, Trust is what you can promise. And betrayal is what you fulfill. #review#noob#prose
@PensivePost · Post #5159 · 01.05.2021 г., 16:22
It came from something we can't even see, It took so many lives and gave us the malady, The death, the pain, the anger the disability, Old people say they never witnessed such calamity. With heavy heart, Hope is alive and this is the fact, May the God help us to face all of this, Some people are still doing something wrong, Hope they'll get the fruits of their Unholy act. #anon #noob #review
@PensivePost · Post #5158 · 01.05.2021 г., 16:21
It came from something we can't even see, It took so many lives and gave us the malady, The death, the pain, the anger the disability, Old people say they never witnessed such calamity. With heavy heart, Hope is high, will is strong and this is the fact, May the God help us to face all of this, Some people are still doing something wrong, Hope they'll get the fruits of their Unholy act. #anon #noob #review
@PensivePost · Post #5157 · 01.05.2021 г., 16:20
It came from something we can't even see, It took so many lives and gave us the malady, The death, the pain, the anger the disability, Old people say they never witnessed such calamity. With heave heart, Hope is high, will is strong and this is the fact, May the God help us to face all of this, Some people are still doing something wrong, Hope they'll get the fruits of their Unholy act. #anon #noob #review
@elfcryptovip · Post #12659 · 11.05.2026 г., 10:34
📍 List of abbreviations commonly used in cryptocurrency trading: #ALTCOIN = Alternate cryptocurrency except bitcoin #SHITCOIN = A coin with no potential value or use #BEAR | #BEARISH = Negative price movement #BULL | #BULLISH = Positive price movement #LONG = Margin buy position #SHORT = Margin sell position #BTFD = Buy The Fucking Dip #DILDO = Long green or red candles 😆 #DYOR = Do Your Own Research #FA = Fundamental Analysis #TA = Technical Analysis #FOMO = Fear Of Missing Out #JOMO = Joy Of Missing Out #FUD = Fear Uncertainty & Doubt #HODL = Hold a position #MCAP = Market Capitalization #MOON = Continuous upward movement of price #OTC = Over The Counter #PUMP = Upward price movement #DUMP = To sell off a coin #REKT = When you have a bad loss #WHALE = Very wealthy trader/Market mover #AMA = Ask me anything #ATH = All Time High #ATL = All Time Low #DLT = Distributed ledger technology #IMO = In My Opinion #LAMBO = Lambo is symbol that becomes an elusive goal for most investors #NOOB = A person who is inexperienced #SAFU = Secure Asset Funds for Users #SHILL = Holder of altcoin who just wants to promote it for his own benefit ✅@ElfCryptoVIP