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Изворен канал @pythonotes · Post #199 · 8 јан.

Многие из тех кто активно работал с Python2 несколько удивлены, почему в Python3 удобная функция reload() переехала из builtin в imp а потом и в importlib? Ну было же удобно! А теперь лишний импорт😖 Дело в том, что начиная с Python3.3 функция reload() переписана на Python вместо Cи. Что это нам даёт? 🔸 Такой код проще поддерживать и развивать 🔸 Python код легче читать, изучать и понимать. Сравните это ➡️ и это ➡️. 🔸 Как результат пункта 2, проще писать свои расширения импорта. Например, пользовательский импортёр с какой-либо хитрой логикой по аналогии с импортом из zip архивов. А есть ли у этого решения недостатки? Да, они всегда есть. 🔹 Так как это не builtin функция, её следует импортнуть перед использованием 🔹 Скорость замедлилась примерно на 5%. Очевидно, что это совершенно не критично. К тому же от версии к версии логика импорта будет оптимизироваться и ускоряться. В самом начале файла importlib/__init__.py мы видим такой импорт: import _imp # Just the builtin component, NOT the full Python module То есть часть функционала по прежнему написана на Си, но достаточно низкоуровневая. #basic

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Venture Village Wall 🦄

@venturevillagewall · Post #4352 · 10.03.2025 г., 13:00

Singapore Exchange Launches Bitcoin Futures 🔵 The Singapore Exchange (SGX) will launch perpetual Bitcoin futures by H2 2025, marking the first such product on a traditional Asian stock exchange. This move aims to attract major institutional players to the cryptocurrency market, expanding access and trading opportunities. 🔗 Read more: Bloomberg #Bitcoin#Crypto#SGX#Futures#Investment#Asia#Finance#Trading#Blockchain#DigitalAssets#Market#Institutional#PerpetualFutures#CryptoMarket

Crypto M - Crypto News

@CryptoM · Post #64528 · 09.04.2026 г., 06:18

🚀 Binance to Adjust Minimum Notional Value for BTC Perpetual Futures According to the announcement from Binance, the exchange plans to adjust the minimum notional value for orders of BTCUSDT and BTCUSDC USDⓈ-M Perpetual Futures Contracts on 2026-04-14 at 06:30 (UTC). This adjustment aims to enhance market liquidity and improve the trading experience for users. The process is expected to be completed within approximately four hours and will not impact USDⓈ-M Futures trading operations. The specific changes involve reducing the minimum notional value for BTCUSDT and BTCUSDC contracts from 100 USDT and 100 USDC to 50 USDT and 50 USDC, respectively. Existing orders will remain unaffected by this adjustment. API users can access the latest minimum notional value for orders of USDⓈ-M Perpetual Futures Contracts through the GET /fapi/v1/exchangeInfo endpoint. For further details and updates, users are encouraged to refer to the full API Changelog. Binance advises traders to review the updated trading parameters and adjust their strategies accordingly to avoid any unnecessary impact on their trading activities. This notice is released under Binance Exchange Rule 17, and users are reminded to consult the original English version of the announcement for the most accurate information, as there may be discrepancies in translated versions. #Binance#BTCFutures#PerpetualFutures#TradingUpdate#CryptoTrading#BTCUSDT#BTCUSDC#MarketLiquidity#CryptoNews

Crypto M - Crypto News

@CryptoM · Post #65185 · 11.04.2026 г., 17:11

🚀 Solana's Drift Protocol Suffers $285 Million Loss in Security Breach Drift Protocol experienced a significant security breach on April 1, 2026, resulting in a loss of $285 million. According to NS3.AI, attackers managed to drain Solana's largest perpetual futures exchange within approximately 12 minutes. The exploit was facilitated by a governance setup that utilized a two-of-five multisig and a zero-delay path for privileged actions. The attackers spent six months cultivating trust with insiders, leading to two Security Council members pre-signing transactions with hidden authorizations. In response to the breach, the Solana Foundation launched STRIDE, a foundation-backed continuous security program, just days after the incident. #Solana#DriftProtocol#SecurityBreach#285MillionLoss#PerpetualFutures#NS3AI#MultisigExploit#GovernanceSetup#STRIDE#SolanaFoundation#CryptoSecurity#InsiderAttack#BlockchainSecurity#SOL