Well... only as one of the international languages, or with people who speak neither English nor any other. For sure make more sense to learn English + any other international language (depends which is more convenient for your needs). So if you already speak Russian just take some time to improve it.
есть для хрома расширение, показывающее поддержку QUIC, HTTP/2, SPDY, говорит, что нет
Thx for this article, but IMHO better to use common English terms and if possible, write the whole article in English. Because sometimes it’s a bit hard to understand e. g. „Перечислитель” => Iterator, etc