1. Создаем строку str, которую нужно проанализировать. 2. Применяем метод Distinct() для получения уникальных символов в строке. 3. Вызываем метод Count() для получения количества элементов в последовательности уникальных символов. 4. Добавляем параметр char.IsLetter, чтобы учитывать только буквы алфавита.
1. Создаем строку str, которую нужно проанализировать. 2. Применяем метод Distinct() для получения уникальных символов в строке. 3. Вызываем метод Count() для получения количества элементов в последовательности уникальных символов. 4. Добавляем параметр char.IsLetter, чтобы учитывать только буквы алфавита.
In many cases, the content resembled that of the marketplaces found on the dark web, a group of hidden websites that are popular among hackers and accessed using specific anonymising software.“We have recently been witnessing a 100 per cent-plus rise in Telegram usage by cybercriminals,” said Tal Samra, cyber threat analyst at Cyberint.The rise in nefarious activity comes as users flocked to the encrypted chat app earlier this year after changes to the privacy policy of Facebook-owned rival WhatsApp prompted many to seek out alternatives.
To pay the bills, Mr. Durov is issuing investors $1 billion to $1.5 billion of company debt, with the promise of discounted equity if the company eventually goes public, the people briefed on the plans said. He has also announced plans to start selling ads in public Telegram channels as soon as later this year, as well as offering other premium services for businesses and users.
