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: #usfinance
@venturevillagewall · Post #4008 · 28.01.2025 г., 13:00
Trumps Focus on Stablecoins in Finance Donald Trump emphasizes stablecoins' role in US financial strategy through a new executive order. Bitcoin was notably absent from the document. Further insights and analysis can be found in the full article here: read more. #Stablecoins#Trump#USFinance#Crypto#AI#VC
@venturevillagewall · Post #3964 · 23.01.2025 г., 22:00
Trump Launches National Crypto Strategy 🚨 President Trump has signed an executive order to establish a Presidential Working Group on Digital Asset Markets. This group will push for a robust regulatory framework for cryptocurrencies and stablecoins, and explore the creation of a National Digital Asset Stockpile using seized digital assets. Chaired by crypto advocate David Sacks, the group aims to strengthen U.S. leadership in digital finance and replace previous regulations seen as obstacles to innovation. Full details: Leviathan News #Trump#Crypto#DigitalAssets#Bitcoin#Stablecoins#NationalReserve#USFinance#Blockchain#Innovation#CryptoWorkingGroup
@CryptoM · Post #64737 · 09.04.2026 г., 16:54
🚀 U.S. March Budget Deficit Estimated at $163 Billion The U.S. Congressional Budget Office (CBO) has announced that the budget deficit for March is projected to reach $163 billion. According to BlockBeats, this estimate reflects ongoing fiscal challenges faced by the United States. The CBO's report highlights the financial pressures impacting the federal budget, as expenditures continue to outpace revenues. This development underscores the importance of addressing the nation's fiscal policies to manage the growing deficit effectively. #USBudget#BudgetDeficit#FiscalPolicy#CBO#USFinance#FederalBudget#Economy#MarchDeficit#FinancialReport#USGovernment
@CryptoM · Post #65191 · 11.04.2026 г., 18:19
🚀 U.S. Public Debt Increases by $571.28 Billion, Reaching $38.969 Trillion The United States public debt has increased by approximately $571.28 billion this year, reaching a total of $38.969 trillion as of April 7, 2026. According to NS3.AI, this figure encompasses both debt held by the public and intragovernmental holdings. In an interview with NPR, JPMorgan Chase CEO Jamie Dimon expressed concerns that the growing debt burden could pose challenges, potentially leading to higher market rates and reduced demand for U.S. Treasurys. #USDebt#PublicDebt#USFinance#GovernmentDebt#EconomicNews#USMarkets#Treasury#DebtCrisis#JPMorgan#Macroeconomics
@venturevillagewall · Post #4357 · 10.03.2025 г., 22:00
Crypto News: Market Decline and Developments 🇺🇸 Sunnyvale Public Safety Officers Association becomes the first U.S. dual-agency to hold Bitcoin on its balance sheet. Joseph Lubin praises U.S. government's reforms, anticipating crypto growth by 2025. President Trump's upcoming executive order may adjust Fed policies for crypto banks and clarify that stablecoins are not securities. FIFA considering a new cryptocurrency, FIFA Coin, to engage 5 billion fans. Coinbase to hire 1,000 workers, citing Trump's positive impact on the crypto industry. Ethereum sees significant outflows totaling $1.8 billion, while total value locked in DeFi drops to $88 million. Bitcoin's price fluctuates between extreme greed and fear, with a current value of $79,000. Ethereum declines below $2000, triggering market fears as total market cap falls by 33%. Current index shows extreme fear since 2022, affecting trader sentiments. #Bitcoin#Crypto#DeFi#TrumpsExecutiveOrder#FIFA#Ethereum#Coinbase#Stablecoins#MarketSentiment#Bullish#Blockchain#Investors#CryptoRegulation#ETH#USFinance#DigitalAssets#CryptoOutflows#FinanceNews