Run all queued callbacks on the IOLoop. In these tests, this method is used after calling notify() to preserve the pre-5.0 behavior i

r"""Unescape a string escaped by `re.escape`. May raise ``ValueError`` for regular expressions which could not have been produced by `re.esca

Asynchronously read until we have matched the given regex. The result includes the data that matches the regex and anything that came

Stop listening for events on ``fd``. .. versionchanged:: 4.0 Added the ability to pass file-like objects in addition to

Renders a template and returns it as a string.

Sets an outgoing cookie name/value with the given options. Newly-set cookies are not immediately visible via `get_cookie`; they are n

Returns a static URL for the given relative static file path. This method requires you set the ``static_path`` setting in your applic

Map a header name to Http-Header-Case. >>> _normalize_header("coNtent-TYPE") 'Content-Type'

Attempt to complete the current read operation from buffered data. If the read can be completed without blocking, schedules the read

Returns the file descriptor for this stream.

Start/Restart a periodic flusher thread Warning: Use only if all your loggers are thread safe!

Returns `~.httputil.HTTPMessageDelegate` that can serve a request for application and `RequestHandler` subclass. :arg httputil.HTTPSe