TGINSIGHT SIMILAR POSTS
Изворен канал @pythonotes · Post #32 · 7 фев.
Скорее всего уже слышали, что складывать строки через + это плохая практика. Падение производительности, и всё такое. Без лишних слов, давайте измерять: from timeit import timeit def t1(): # складываем 10 строк через + из переменной t = 'text' for _ in range(1000): s = t + t + t + t + t + t + t + t + t def t2(): # склеиваем список строк через метод join arr = ['text'] * 10 for _ in range(1000): s = ''.join(arr) def t3(): # складываем через + но не из переменной а непосредственно инлайн объекты for _ in range(1000): s = 'text' + 'text' + 'text' + ... # всего 10 раз Теперь каждую строку склейки запустим по 10М раз >>> timeit(t1, number=10000) 0.21951690399964718 >>> timeit(t2, number=10000) 1.4978306379998685 >>> timeit(t3, number=10000) 0.2213820789993406 Хм, а нам говорили что через "+" это плохо и медленно ))) 😁 Тут стоит учитывать, что речь идёт о склейке множества длинных строк. Давайте изменим условия: def t4(): t = 'text'*100 for _ in range(1000): s = t + t + t + t + t + t + t + t + t def t5(): arr = ['text'*100] * 10 for _ in range(1000): s = ''.join(arr) def t6(): for _ in range(1000): s = 'text'*100 + 'text'*100 + ... # всего 10 раз >>> timeit(t4, number=10000) 12.795130728000004 >>> timeit(t5, number=10000) 2.642637542999182 >>> timeit(t6, number=10000) 0.2184546610005782 Вот, уже другой разговор, сразу видна разница, в среднем в 6 раз. Но погодите, почему последний тест t6() по скорости такой же как и t3()? Ведь строки теперь в 100 раз длиннее! Это вопросы оптимизации кода, какие простые изменения ускоряют или замедляют выполнение программы. Мы столкнулись с примером обхода обращения к переменной. Например, именно так работает директива #define в С++, во время компиляции подставляя значение переменной вместо ссылки на неё. В Python это тоже работает, но часто ли вы сможете встретить такой способ работы со строками? К сожалению, способ почти только теоретический. В целом, тесты показали то, что мы хотели. Делаем выводы самостоятельно. Полный листинг 🌍 #tricks
Пребарај: #deep
@binancefuturesignal · Post #35825 · 16.02.2026 г., 06:11
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@binancefuturesignal · Post #35424 · 10.01.2026 г., 10:54
🎯 PREMIUM RESULT – #DEEP/USDT All targets hit. Result: +124%. Clean execution. 👉@futurechief
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@binancefuturesignal · Post #35409 · 09.01.2026 г., 10:41
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@btctradingclub · Post #26750 · 09.01.2026 г., 14:51
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@QuietWorld · Post #6731 · 18.10.2019 г., 06:30
If youth only knew; if age only could. —Henri Estenne #deep@quietworld🍃
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@mountstorm · Post #706 · 28.08.2023 г., 19:37
Don't avoid the cliches - they always work because they are clichés. In this post, you may face the author's offensive views about people's excessive repeated utterances that are widespread, calling attention to avert them. Basically, let it be on Instagram stories or Facebook profile pictures, you see people who post a picture of Yale, write Yale class of 2029 on the bio, and many similar actions. Holders could have no issue with posting them, and they are entitled to publish anything they care to do unless they don't publish political statements that can be conceived as an opposing point. By talking with people who already know the ups and downs of US admissions and hearing things I wasn't aware of, I realized that getting into a TOP-20 school requires hard work: nighttime study sessions, countless drafts of the final masterpiece, and dreadful deadlines. But everyone, not just me, can sense that people ignore the pain of those mentioned above and end up somewhere else where they have no desire to pursue their 4-year life. Rather than writing cool bio captions for NYU'28 or whichever college you dream of, spend time working on crucial components of the college application, check your essays to the expert, scrutinize what actions "99%" applicants are doing, and do the opposite or a bizarreness. My utterances may hurt souls, but I'm showing the truth (ridiculous actions). Now, get off this app and finalize your college list, which you care less to do. Two months left to catch the golden fish! #deep
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@iGengdu · Post #786 · 13.02.2025 г., 12:27
#Deep Research #分享 分享：三款OpenAI Deep Research替代开源项目 https://github.com/nickscamara/open-deep-research https://github.com/mshumer/OpenDeepResearcher https://github.com/dzhng/deep-research 📢频道✈️群组☘️博客📬投稿
@QuietWorld · Post #6883 · 09.11.2019 г., 14:25
To speak ill of others is a dishonest way of praising ourselves. #truth#deep @quietworld🍃
@QuietWorld · Post #6767 · 22.10.2019 г., 13:01
💭“So you're afraid of dying, but how is the way you're living any different from being dead?” #deep#life#motivation @quietworld🍃
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@QuietWorld · Post #6945 · 21.11.2019 г., 15:32
Temptation usually comes in through a door that has deliberately been left open. #life#truth#deep @quietworld🍃
@QuietWorld · Post #6749 · 19.10.2019 г., 23:30
Happiness always look small while you hold it in your hands, but let it go, and you will learn at once how big and precious it is. – Maxim Gorky #happiness#deep@quietworld🍃
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@QuietWorld · Post #6228 · 12.03.2019 г., 07:08
We like someone because. We love someone although. – Henry de Montherlant – #quotes#love#deep @quietworld❤