python Programming Glossary: maintainsWhat does python sys.intern do, and when should it be used? http://stackoverflow.com/questions/1136826/what-does-python-sys-intern-do-and-when-should-it-be-used for performance optimization . The sys.intern function maintains a table of interned strings. When you attempt to intern a string..
Exploring and decompiling python bytecode http://stackoverflow.com/questions/1149513/exploring-and-decompiling-python-bytecode decompile but it's outdated python2.3 and no one maintains it anymore. Is there anything for python2.5 or later python..
python - memory not being given back to kernel http://stackoverflow.com/questions/11957539/python-memory-not-being-given-back-to-kernel OS. In particular the standard Python interpreter CPython maintains its own pools and free lists for particular kinds of objects...
Python Interpreter blocks Multithreaded DNS requests? http://stackoverflow.com/questions/1212716/python-interpreter-blocks-multithreaded-dns-requests OpenBSD NetBSD OSX and VMS. On those systems Python maintains a lock specifically for the netdb i.e. getaddrinfo and friends..
http://stackoverflow.com/questions/13542855/python-help-to-implement-an-algorithm-to-find-the-minimum-area-rectangle-for-gi computing maximum diameter of a convex polygon. That is it maintains three indexes iL iP iR to the leftmost opposite and rightmost..
What is Facebook's new Tornado framework? http://stackoverflow.com/questions/1406912/what-is-facebooks-new-tornado-framework real time features every active user of FriendFeed maintains an open connection to the FriendFeed servers. For more information..
Weird Integer Cache inside Python 2.6 http://stackoverflow.com/questions/15171695/weird-integer-cache-inside-python-2-6 after dive into python's source code I find out that it maintains an array of PyInt_Objects ranging from int 5 to int 256 @src..
Django unique together constraint failure? http://stackoverflow.com/questions/17510261/django-unique-together-constraint-failure value should I have that indicates a null value but also maintains the unique constraint python django postgresql share improve..
While upgrading python imaging library (PIL), it tells me “JPEG support not available” http://stackoverflow.com/questions/20753607/while-upgrading-python-imaging-library-pil-it-tells-me-jpeg-support-not-avai You need to import it via from PIL import Image ... It maintains all of the functionality of PIL and adds a lot more including..
Should I worry about circular references in Python? http://stackoverflow.com/questions/2428301/should-i-worry-about-circular-references-in-python circular references in Python Suppose I have code that maintains a parent children structure. In such a structure I get circular..
Sieve of Eratosthenes - Finding Primes Python http://stackoverflow.com/questions/3939660/sieve-of-eratosthenes-finding-primes-python items down by one. In the second example primes_sieve1 maintains a dictionary of primality flags which is a step in the right..
SQLAlchemy: What's the difference between flush() and commit()? http://stackoverflow.com/questions/4201455/sqlalchemy-whats-the-difference-between-flush-and-commit to the database insert update delete . The database maintains them as pending operations in a transaction. The changes aren't..
Fibonacci numbers, with an one-liner in Python 3? http://stackoverflow.com/questions/4935957/fibonacci-numbers-with-an-one-liner-in-python-3 lambda n reduce lambda x n x 1 x 0 x 1 range n 0 1 0 this maintains a tuple mapped from a b to b a b initialized to 0 1 iterated..
Is there a way to efficiently yield every file in a directory containing millions of files? http://stackoverflow.com/questions/5090418/is-there-a-way-to-efficiently-yield-every-file-in-a-directory-containing-million iterator to fail and it all depends on how the iterator maintains state. Using S.Lotts example filea.txt fileb.txt filec.txt Iterator..
Python string replace in a file without touching the file if no substitution was made http://stackoverflow.com/questions/5286020/python-string-replace-in-a-file-without-touching-the-file-if-no-substitution-was and save the file. Otherwise do nothing so the file maintains its old timestamp. The following code works fine except all..
302s and losing cookies with urllib2 http://stackoverflow.com/questions/5543951/302s-and-losing-cookies-with-urllib2 be used as an opener itself using the .open method . It maintains state internally but also returns a response object on every..
Python: Element order in dictionary http://stackoverflow.com/questions/5792190/python-element-order-in-dictionary django.utils.datastructures import SortedDict SortedDict maintains it's order in it's keyOrder attribute. So you can manipulate..
numpy float: 10x slower than builtin in arithmetic operations? http://stackoverflow.com/questions/5956783/numpy-float-10x-slower-than-builtin-in-arithmetic-operations and int objects in blocks of size N. Internally CPython maintains a linked list of blocks each large enough to hold N float objects...
Python: garbage collection fails? http://stackoverflow.com/questions/9617001/python-garbage-collection-fails and each int object consumes 12 bytes. 𤧶or speed Python maintains an internal free list for integer objects. Unfortunately that..
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