Поиск в строке
С помощью метода IndexOf мы можем определить индекс первого вхождения отдельного символа или подстроки в строке.
Подобным образом действует метод LastIndexOf, только находит индекс последнего вхождения символа или подстроки в строку.
BY Библиотека задач по C# | тесты, код, задания
Mr. Durov launched Telegram in late 2013 with his brother, Nikolai, just months before he was pushed out of VK, the Russian social-media platform he founded. Mr. Durov pitched his new app—funded with the proceeds from the VK sale—less as a business than as a way for people to send messages while avoiding government surveillance and censorship.
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.
Библиотека задач по C | тесты код задания from ca