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Проверка работы веб-приложения без сети — ключевой этап в разработке современных сервисов. Рассмотрим, как убедиться, что кеш работает и данные доступны офлайн.
Рассказываем в карточках:
Проверка работы веб-приложения без сети — ключевой этап в разработке современных сервисов. Рассмотрим, как убедиться, что кеш работает и данные доступны офлайн.
Рассказываем в карточках:
BY Библиотека тестировщика | QA, тестирование, quality assurance, manual testing, autotesting, ручное тестирование, автотесты
Telegram has no known backdoors and, even though it is come in for criticism for using proprietary encryption methods instead of open-source ones, those have yet to be compromised. While no messaging app can guarantee a 100% impermeable defense against determined attackers, Telegram is vulnerabilities are few and either theoretical or based on spoof files fooling users into actively enabling an attack.
Bitcoin is built on a distributed digital record called a blockchain. As the name implies, blockchain is a linked body of data, made up of units called blocks that contain information about each and every transaction, including date and time, total value, buyer and seller, and a unique identifying code for each exchange. Entries are strung together in chronological order, creating a digital chain of blocks. “Once a block is added to the blockchain, it becomes accessible to anyone who wishes to view it, acting as a public ledger of cryptocurrency transactions,” says Stacey Harris, consultant for Pelicoin, a network of cryptocurrency ATMs. Blockchain is decentralized, which means it’s not controlled by any one organization. “It’s like a Google Doc that anyone can work on,” says Buchi Okoro, CEO and co-founder of African cryptocurrency exchange Quidax. “Nobody owns it, but anyone who has a link can contribute to it. And as different people update it, your copy also gets updated.”
Библиотека тестировщика | QA тестирование quality assurance manual testing autotesting ручное тестирование автотесты from ye