This free programming manual is about Tornado 6.1. Tornado is a python web framework and asynchronous networking library originally developed at FriendFeed.
By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and others that need to communicate with each user Applications that establish long-lived connections.
這個免費的編程手冊是關於 Tornado 6.1 的。 Tornado 是一個 python 網絡框架和異步網絡庫,最初由 FriendFeed 開發。