Mercurial > cpython-lru_cache-weakref

comparison Misc/python.man @ 75159:f3e2a9d25ffa 2.7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
merge with 2.6
author Georg Brandl <georg@python.org>
date Tue, 21 Feb 2012 22:38:31 +0100
parents a0f43f4481e0 65d1fe86618f
children 05f94e7e3b49
comparison
equal deleted inserted replaced
75153:9b7c6dd19e25 75159:f3e2a9d25ffa
160 Although they remain constant within an individual Python process, they are 160 Although they remain constant within an individual Python process, they are
161 not predictable between repeated invocations of Python. 161 not predictable between repeated invocations of Python.
162 .IP 162 .IP
163 This is intended to provide protection against a denial of service 163 This is intended to provide protection against a denial of service
164 caused by carefully-chosen inputs that exploit the worst case performance 164 caused by carefully-chosen inputs that exploit the worst case performance
165 of a dict insertion, O(n^2) complexity. See 165 of a dict construction, O(n^2) complexity. See
166 http://www.ocert.org/advisories/ocert-2011-003.html 166 http://www.ocert.org/advisories/ocert-2011-003.html
167 for details. 167 for details.
168 .TP 168 .TP
169 .BI "\-Q " argument 169 .BI "\-Q " argument
170 Division control; see PEP 238. The argument must be one of "old" (the 170 Division control; see PEP 238. The argument must be one of "old" (the