CONTENTS 1Tornado Documentation, Release 6.5.1 2 CONTENTSCHAPTER ONE QUICK LINKS • Current version: 6.5.1 (download from PyPI, release notes) • Source (GitHub) • Mailing lists: discussion and announcements optional packages may be useful: • pycurl is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. • pycares is an alternative non-blocking DNS resolver that can be used yield expressions, and with the coroutine’s caller by returning a Future. Here is a simplified version of the coroutine decorator’s inner loop: # Simplified inner loop of tornado.gen.Runner def run(self):

and other applications that require a long-lived connection to each user. Quick links Current version: 6.5.1 (download from PyPI [https://pypi.python.org/pypi/tornado], release notes) Source (GitHub) may be useful:pycurl [http://pycurl.io/] is used by the optional tornado.curl_httpclient. Libcurl version 7.22 or higher is required. pycares [https://pypi.org/project/pycares/] is an alternative non-blocking google.com/forum/#!forum/python- tornado-announce]. Tornado is available under the Apache License, Version 2.0 [http://www.apache.org/licenses/LICENSE-2.0.html]. This web site and all documentation is licensed

Byte Array Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 8.11 Version Number Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 8.12 Raw String _| |_ __ _ | Type "?" for help, "]?" for Pkg help. | | | | | | |/ _` | | | | |_| | | | (_| | | Version 1.11.6 (2025-07-09) _/ |\__'_|_|_|\__'_| | Official https://julialang.org/ release |__/ | julia> Julia can be installed directly from the Windows store here. One can also install exactly the same version by executing winget install julia -s msstore in any shell. 3.2 Mac and Linux Julia can be installed

Byte Array Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 7.11 Version Number Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 7.12 Raw String _| |_ __ _ | Type "?" for help, "]?" for Pkg help. | | | | | | |/ _` | | | | |_| | | | (_| | | Version 1.10.10 (2025-06-27) _/ |\__'_|_|_|\__'_| | Official https://julialang.org/ release |__/ | julia> arithmetic and bitwise operator also has an updating version that assigns the result of the operation back into its left operand. The updating version of the binary operator is formed by placing a = immediately

Byte Array Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 8.11 Version Number Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 8.12 Raw String _| |_ __ _ | Type "?" for help, "]?" for Pkg help. | | | | | | |/ _` | | | | |_| | | | (_| | | Version 1.11.5 (2025-04-14) _/ |\__'_|_|_|\__'_| | Official https://julialang.org/ release |__/ | julia> Julia can be installed directly from the Windows store here. One can also install exactly the same version by executing winget install julia -s msstore in any shell. 3.2 Mac and Linux Julia can be installed

Byte Array Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63 7.11 Version Number Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 7.12 Raw String _| |_ __ _ | Type "?" for help, "]?" for Pkg help. | | | | | | |/ _` | | | | |_| | | | (_| | | Version 1.10.9 (2025-03-10) _/ |\__'_|_|_|\__'_| | Official https://julialang.org/ release |__/ | julia> arithmetic and bitwise operator also has an updating version that assigns the result of the operation back into its left operand. The updating version of the binary operator is formed by placing a = immediately

Byte Array Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 8.11 Version Number Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 8.12 Raw String _| |_ __ _ | Type "?" for help, "]?" for Pkg help. | | | | | | |/ _` | | | | |_| | | | (_| | | Version 1.11.4 (2025-03-10) _/ |\__'_|_|_|\__'_| | Official https://julialang.org/ release |__/ | julia> Julia can be installed directly from the Windows store here. One can also install exactly the same version by executing winget install julia -s msstore in any shell. 3.2 Mac and Linux Julia can be installed

Byte Array Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 8.11 Version Number Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 8.12 Raw String for Julia 1.13-DEV. Work in progress! This documentation is for an unreleased, in-development, version of Julia. Please read the release notes to see what has changed since the last release. Note The _| |_ __ _ | Type "?" for help, "]?" for Pkg help. | | | | | | |/ _` | | | | |_| | | | (_| | | Version 1.13.0-DEV.639 (2025-05-25) _/ |\__'_|_|_|\__'_| | Commit 925d504ade4 (1 day old master) |__/ |

Byte Array Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 8.11 Version Number Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 8.12 Raw String for Julia 1.12-rc1. Work in progress! This documentation is for an unreleased, in-development, version of Julia. Please read the release notes to see what has changed since the last release. Note The _| |_ __ _ | Type "?" for help, "]?" for Pkg help. | | | | | | |/ _` | | | | |_| | | | (_| | | Version 1.12.0-rc1 (2025-07-12) _/ |\__'_|_|_|\__'_| | Official https://julialang.org release |__/ | julia>

Byte Array Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 8.11 Version Number Literals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 8.12 Raw String for Julia 1.12-beta4. Work in progress! This documentation is for an unreleased, in-development, version of Julia. Please read the release notes to see what has changed since the last release. Note The _| |_ __ _ | Type "?" for help, "]?" for Pkg help. | | | | | | |/ _` | | | | |_| | | | (_| | | Version 1.12.0-beta4 (2025-06-05) _/ |\__'_|_|_|\__'_| | Official https://julialang.org release |__/ |