Что такое брокер сообщений и какие из них обычно используются в проектах на Java?
Ответ:
В Java-проектах наиболее часто используют Apache Kafka — для высоконагруженной потоковой обработки, RabbitMQ — для гибкой очередности и маршрутизации сообщений, и ActiveMQ — как решение, тесно интегрированное с экосистемой Java (например, через JMS API).
tags: #собеседование
BY Java Developer
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.
Bitcoin mining is the process of adding new transactions to the Bitcoin blockchain. It’s a tough job. People who choose to mine Bitcoin use a process called proof of work, deploying computers in a race to solve mathematical puzzles that verify transactions.To entice miners to keep racing to solve the puzzles and support the overall system, the Bitcoin code rewards miners with new Bitcoins. “This is how new coins are created” and new transactions are added to the blockchain, says Okoro.
Java Developer from vn