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Изворен канал @pythonotes · Post #269 · 7 јул.

­Возможно, стоит пояснить разницу между синхронизацией из thread/process-safe и синхронизацией с помощью Lock🤔 Наша задача — заставить разные процессы и потоки обращаться к базе данных (или любым другим ресурсам) последовательно. Чтобы не случилось так называемого race condition, то есть состояние гонки. Это когда разные потоки или процессы пытаются одновременно что-то сделать с одним и тем же ресурсом. В этом случае нам нужна какая-то логика ограничения. Пока один процесс не завершил своё действие, другие не могут получить доступ к ресурсу. Так вот, thread-safe и process-safe означает что отдельно взятые операции записи в БД гарантированно будут последовательны. Запросы из разных процессов или потоков выстроятся в очередь и не будут мешать друг другу. Лучше всего когда этот блок реализован на уровне БД в виде атомарных операций или ещё как-то. Но зачем нам тогда еще дополнительный Lock? Этот способ синхронизации используется когда процесс никак не укладывается в одно действие и должен сделать множество операций прежде чем дать доступ следующему. В этом случае процесс ставит некий глобальный Lock на ресурс и никто другой, даже получив законное право на доступ, не может ничего сделать. Все ждут пока этот Lock не будет снят. Это решается на уровне приложения и правильность реализации полностью в вашей ответственности. Например, если забыли разблокировать или сделали перекрёстный Lock (Deadlock как на картинке), то всё зависнет в бесконечном ожидании. #basic

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Crypto M - Crypto News

@CryptoM · Post #65376 · 13.04.2026 г., 03:04

🚀 AI Technology Presents New Opportunities Amid Potential Financial Crisis On April 13, Liquid Capital founder Yi Lihua expressed optimism about the potential resolution of ongoing conflicts, noting that motivations for continued warfare are diminishing. According to BlockBeats, Yi emphasized that peace negotiations typically evolve from disagreement to consensus, suggesting that the conflict may gradually come to an end. He remarked that both sides have no reason to continue fighting, and the moment an agreement is reached could signal a positive market shift. Yi highlighted that, in the medium to long term, the market is anticipating a potential large-scale financial crisis. He observed defensive strategies in the financial sector, such as major capital holding high cash ratios and sovereign entities increasing gold reserves. In this context, if another crisis occurs, it will be a crucial test for Bitcoin's status as a safe-haven asset and may offer significant opportunities for low-level investment. Furthermore, Yi Lihua believes that AI technology is creating new opportunities for talented entrepreneurs. He noted that small teams can develop global products, reducing costs associated with financing and organizational management. Experienced serial entrepreneurs, in particular, should seize the opportunities presented by this "AI Age of Exploration." #AI#FinancialCrisis#Investment#Bitcoin#Entrepreneurship#Innovation#MarketOpportunities#Technology#PeaceNegotiations#GlobalProducts#BTC

Venture Village Wall 🦄

@venturevillagewall · Post #3995 · 27.01.2025 г., 04:00

Ethereum ETF Sees Major Inflows The Ethereum spot ETF recorded a net inflow of $139M last week, with Blackrock's Ethereum ETF, ETHA, gaining $135M. However, on January 27, the crypto market saw declines across sectors, with DeFAI down 28.73%. Other sectors like AI Agents saw a 16.91% drop. U.S. crypto czar David Sacks noted ongoing evaluations regarding Bitcoin and digital assets. Meanwhile, Rosseti, Russia's state power company, plans to introduce Bitcoin mining to leverage idle power resources. Runetoshi's new memecoin, Runes, faced volatility, dropping from $28M to $500k in market value. Arthur Hayes predicts Bitcoin could dip to $70,000 before a future rise to $250,000 this year. More on ETF inflows | Market drop details | David Sacks comments | Rosseti's Bitcoin mining | Runes token collapse | Hayes Bitcoin predictions #Ethereum#ETF#Crypto#Bitcoin#Russia#Mining#Securities#Stablecoins#PricePrediction#DigitalAssets#Memecoin#MarketDrop#Runetoshi#DeFi#AI#QuantitativeEasing#USDC#WhaleAlert#MarketVolatility#FinancialCrisis#ArthurHayes

Crypto M - Crypto News

@CryptoM · Post #65438 · 13.04.2026 г., 08:02

🚀 Carson Block Warns of Potential U.S. Stock Market Turbulence Carson Block, founder of Muddy Waters and a globally recognized short seller, has issued a stark warning about the U.S. stock market. According to Jin10, Block suggests that the market could experience volatility surpassing that of the 2008 financial crisis. He attributes this potential upheaval to the disruptive impact of AI technologies on the market. Block advises short sellers to prepare for opportunities, indicating that betting against the U.S. stock market might be favorable in the current environment. #CarsonBlock#USStockMarket#StockMarketTurbulence#AIImpact#ShortSelling#FinancialCrisis#Volatility#MarketWarning#MuddyWaters#ShortSellers#MarketOpportunities

Crypto M - Crypto News

@CryptoM · Post #64790 · 10.04.2026 г., 00:05

🚀 North Sea Oil Prices Surge Amid Refinery Competition and Strait Concerns Oil prices in the North Sea have reached unprecedented levels as European and Asian refineries compete for supplies. According to BlockBeats, the Financial Times reported on April 10 that the ongoing control of the Hormuz Strait by Iran has further fueled market concerns. Data from the London Stock Exchange Group (LSEG) indicates that the spot price for Brent North Sea Forties crude oil approached $147 per barrel on Thursday, surpassing the peak seen before the 2008 financial crisis. This price is significantly higher than the international benchmark Brent crude June futures contract, which is priced around $50, highlighting signs of a shortage in the oil market. Traders have noted that the price surge, exceeding $30 per barrel, has hit the threshold set by the Intercontinental Exchange (ICE), preventing them from purchasing next week's Brent crude contracts for difference (CFD). These contracts are commonly used to hedge against rising oil prices. #NorthSeaOil#OilPrices#RefineryCompetition#StraitConcerns#HormuzStrait#BrentCrude#OilMarket#LSEG#FinancialCrisis#OilShortage#ICE#CFD