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python Programming Glossary: self.fpython: list vs tuple, when to use each? http://stackoverflow.com/questions/1708510/python-list-vs-tuple-when-to-use-each
Can't pickle <type 'instancemethod'> when using python's multiprocessing Pool.map() http://stackoverflow.com/questions/1816958/cant-pickle-type-instancemethod-when-using-pythons-multiprocessing-pool-ma multiprocessing.Pool processes 4 #result pool.apply_async self.f 10 #print result.get timeout 1 print pool.map f range 10 if.. multiprocessing.Pool processes 4 #result pool.apply_async self.f 10 #print result.get timeout 1 print pool.map self.f range.. self.f 10 #print result.get timeout 1 print pool.map self.f range 10 Anyone know what the problem could be or an easy way..
What is memoization and how can I use it in Python? http://stackoverflow.com/questions/1988804/what-is-memoization-and-how-can-i-use-it-in-python process into a class class Memoize def __init__ self f self.f f self.memo def __call__ self args if not args in self.memo.. __call__ self args if not args in self.memo self.memo args self.f args return self.memo args Then def factorial k if k 2 return..
Alternatives to keeping large lists in memory (python) http://stackoverflow.com/questions/1989251/alternatives-to-keeping-large-lists-in-memory-python MAXINMEM int 1e8 class bigarray object def __init__ self self.f open 'afile.dat' 'w ' self.a array.array 'L' def append self.. n self.a.append n if len self.a MAXINMEM self.a.tofile self.f del self.a def pop self if not len self.a try self.f.seek self.a.itemsize.. self.f del self.a def pop self if not len self.a try self.f.seek self.a.itemsize MAXINMEM os.SEEK_END except IOError return..
How do I get a thread safe print in Python 2.6? http://stackoverflow.com/questions/3029816/how-do-i-get-a-thread-safe-print-in-python-2-6 class ThreadSafeFile object def __init__ self f self.f f self.lock threading.RLock self.nesting 0 def _getlock self.. self name value def write self data self._getlock self.f.write data if data ' n' self._droplock # comment the following..
What is the best way to do automatic attribute assignment in Python, and is it a good idea? http://stackoverflow.com/questions/3652851/what-is-the-best-way-to-do-automatic-attribute-assignment-in-python-and-is-it-a a b c d e f g self.a a self.b b self.c c self.d d self.e e self.f f self.g g I could use this recipe for automatic attribute assignment..
Python: How to get number of mili seconds per jiffy http://stackoverflow.com/questions/4189123/python-how-to-get-number-of-mili-seconds-per-jiffy
Intercepting stdout of a subprocess while it is running http://stackoverflow.com/questions/527197/intercepting-stdout-of-a-subprocess-while-it-is-running wrapper for file type objects. def __init__ self f self.f f def write self x self.f.write x self.f.flush # Replace stdout.. objects. def __init__ self f self.f f def write self x self.f.write x self.f.flush # Replace stdout with an automatically.. __init__ self f self.f f def write self x self.f.write x self.f.flush # Replace stdout with an automatically flushing version..
Python decorator, self is mixed up http://stackoverflow.com/questions/5469956/python-decorator-self-is-mixed-up is the decorator class cacher object def __init__ self f self.f f self.cache def __call__ self args fname self.f.__name__ if.. self f self.f f self.cache def __call__ self args fname self.f.__name__ if fname not in self.cache self.cache fname self.f.. if fname not in self.cache self.cache fname self.f self args else print using cache return self.cache fname class..
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