👻 — Гарантирует, что все изменения, сделанные транзакцией, будут отменены в случае сбоя системы.
🌚 — Гарантирует, что данные будут сохранены в долговременной памяти после успешной транзакции.
⚡️ — Гарантирует, что транзакции выполняются в порядке их поступления.
🎉 — Гарантирует, что транзакция завершится либо успешно, либо с ошибкой.
BY Библиотека задач по Go | тесты, код, задания
For some time, Mr. Durov and a few dozen staffers had no fixed headquarters, but rather traveled the world, setting up shop in one city after another, he told the Journal in 2016. The company now has its operational base in Dubai, though it says it doesn’t keep servers there.Mr. Durov maintains a yearslong friendship from his VK days with actor and tech investor Jared Leto, with whom he shares an ascetic lifestyle that eschews meat and alcohol.
n the U.S. people generally use Bitcoin as an alternative investment, helping diversify a portfolio apart from stocks and bonds. You can also use Bitcoin to make purchases, but the number of vendors that accept the cryptocurrency is still limited. Big companies that accept Bitcoin include Overstock, AT&T and Twitch. You may also find that some small local retailers or certain websites take Bitcoin, but you’ll have to do some digging. That said, PayPal has announced that it will enable cryptocurrency as a funding source for purchases this year, financing purchases by automatically converting crypto holdings to fiat currency for users. “They have 346 million users and they’re connected to 26 million merchants,” says Spencer Montgomery, founder of Uinta Crypto Consulting. “It’s huge.”
Библиотека задач по Go | тесты код задания from de