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python Programming Glossary: nonCommon pitfalls in Python [duplicate] http://stackoverflow.com/questions/1011431/common-pitfalls-in-python # only execute if var is None if var # execute if var is a non empty string list dictionary tuple non 0 etc if not var # execute.. execute if var is a non empty string list dictionary tuple non 0 etc if not var # execute if var is 0 None etc. if var is..
http://stackoverflow.com/questions/1191374/subprocess-with-timeout command returning its stdout data or raise an exception on non zero exit codes proc subprocess.Popen cmd stderr subprocess.STDOUT..
Remove items from a list while iterating in Python http://stackoverflow.com/questions/1207406/remove-items-from-a-list-while-iterating-in-python suggestion that uses itertools . However there is no non iterator filterfalse so it will have to be. from itertools import..
Python subprocess readlines() hangs http://stackoverflow.com/questions/12419198/python-subprocess-readlines-hangs is a lot of questions like this here a stackoverflow but non of them made me solve the problem. I'm not that into the whole.. logfile sys.stdout Or stdbuf to enable line buffering in non interactive mode from subprocess import Popen PIPE STDOUT proc..
How do I ensure that re.findall() stops at the right place? http://stackoverflow.com/questions/17765805/how-do-i-ensure-that-re-findall-stops-at-the-right-place wanted all tags then you should consider changing it to be non greedy ie . print re.findall r' title . title ' s # 'aaa' 'aaa2'..
What is the best project structure for a Python application? http://stackoverflow.com/questions/193161/what-is-the-best-project-structure-for-a-python-application a Python application Imagine that you want to develop a non trivial end user desktop not web application in Python. What.. do you put the unit acceptance tests Where do you put non Python data such as config files Where do you put non Python.. put non Python data such as config files Where do you put non Python sources such as C for pyd so binary extension modules..
How do I execute a program from python? os.system fails due to spaces in path http://stackoverflow.com/questions/204017/how-do-i-execute-a-program-from-python-os-system-fails-due-to-spaces-in-path wait for it to complete. Also note moving the program to a non spaced path is not an option either. Edit This does not work..
Fastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python 5 30 Copyright 2009 by zerovolt.com This code is free for non commercial purposes in which case you can just leave this comment.. 1 2 if sieve i 2 sieve i i 2 i False return np.r_ 2 2 np.nonzero sieve 0 1 1 def primesfrom2to n # http stackoverflow.com.. sieve k k 4 k 2 k i 1 3 2 k False return np.r_ 2 3 3 np.nonzero sieve 0 1 1 if __name__ '__main__' import itertools import..
How to implement an efficient infinite generator of prime numbers in Python? http://stackoverflow.com/questions/2211990/how-to-implement-an-efficient-infinite-generator-of-prime-numbers-in-python as well as the frequency of prime numbers formula I prefer non concurrent approach. Thank you for reading and writing python..
Best way to strip punctuation from a string in Python http://stackoverflow.com/questions/265960/best-way-to-strip-punctuation-from-a-string-in-python than s.replace with each char but won't perform as well as non pure python approaches such as regexes or string.translate as..
Non-blocking read on a subprocess.PIPE in python http://stackoverflow.com/questions/375427/non-blocking-read-on-a-subprocess-pipe-in-python it's output stream stdout . I want to be able to execute non blocking reads on its stdout. Is there a way to make .readline.. reads on its stdout. Is there a way to make .readline non blocking or to check if there is data on the stream before I.. str p.stdout.readline python io subprocess nonblocking share improve this question fcntl select asyncproc..
What is the best way to remove accents in a python unicode string? http://stackoverflow.com/questions/517923/what-is-the-best-way-to-remove-accents-in-a-python-unicode-string with an explicit mapping from accented characters to their non accented counterpart. Thanks for your help. python unicode..
Convert XML/HTML Entities into Unicode String in Python http://stackoverflow.com/questions/57708/convert-xml-html-entities-into-unicode-string-in-python and sites frequently use HTML entities to represent non ascii characters. Does Python have a utility that takes a string..
How do I duplicate sys.stdout to a log file in python? http://stackoverflow.com/questions/616645/how-do-i-duplicate-sys-stdout-to-a-log-file-in-python that there's either no solution or I'm doing something so non standard that nobody knows I'll revise my question to also ask..
How to do relative imports in Python? http://stackoverflow.com/questions/72852/how-to-do-relative-imports-in-python mod2 but I'm getting an Attempted relative import in non package . I googled around but found only sys.path manipulation..
Why is reading lines from stdin much slower in C++ than Python? http://stackoverflow.com/questions/9371238/why-is-reading-lines-from-stdin-much-slower-in-c-than-python to some finite number. In practice this is probably a non issue for reading most line based input files as the buffer..
Non-ASCII characters in Matplotlib http://stackoverflow.com/questions/10960463/non-ascii-characters-in-matplotlib ASCII characters in Matplotlib I have a problem displaying..
Running an interactive command from within python http://stackoverflow.com/questions/11457931/running-an-interactive-command-from-within-python with a program that subprocess spawns you should check out Non blocking read on a subprocess.PIPE in python . I had a similar..
Embedding IPython Qt console in a PyQt application http://stackoverflow.com/questions/11513132/embedding-ipython-qt-console-in-a-pyqt-application '' @catch_config_error def initialize self argv None super IPythonLocalKernelApp self .initialize argv self.kernel.eventloop.. def loop_qt4_nonblocking self kernel Non blocking version of the ipython qt4 kernel loop kernel.timer.. argv self.heartbeat.start if self.poller is not None self.poller.start self.kernel.start class IPythonConsoleQtWidget..
Automatically determine the natural language of a website page given its URL http://stackoverflow.com/questions/1167262/automatically-determine-the-natural-language-of-a-website-page-given-its-url . It does a decent job in discriminating English vs. Non English which is all I require at the moment. Note that you..
using gen.task with Tornado for a simple function http://stackoverflow.com/questions/11679040/using-gen-task-with-tornado-for-a-simple-function asynchronous web tornado share improve this question Non blocking function requires callback where it pass result. class..
http://stackoverflow.com/questions/1394998/parsing-sql-with-python a SQL interface on top of a non relational data store. Non relational data store but it makes sense to access the data..
Using a Python Dictionary as a Key (Non-nested) http://stackoverflow.com/questions/1600591/using-a-python-dictionary-as-a-key-non-nested a Python Dictionary as a Key Non nested Python doesn't allow dictionaries to be used as keys..
'is' operator behaves differently when comparing strings with spaces http://stackoverflow.com/questions/16756699/is-operator-behaves-differently-when-comparing-strings-with-spaces x is y True Non alphanumeric string literals share memory if and only if they..
How do I abort the execution of a Python script? [duplicate] http://stackoverflow.com/questions/179369/how-do-i-abort-the-execution-of-a-python-script Exits with zero which is generally interpreted as success. Non zero codes are usually treated as errors. The default is to..
Solving non-linear equations in python http://stackoverflow.com/questions/19542801/solving-non-linear-equations-in-python Note that `c` will be in radians not degrees return a b c Non linear Solution You could also solve this using scipy.optimize.. be '.format a b c print linear_invert f x y z print 'Non linear results should be '.format a b c print nonlinear_invert..
SQLite, python, unicode, and non-utf data http://stackoverflow.com/questions/2392732/sqlite-python-unicode-and-non-utf-data to parse your code as ascii by default and so SyntaxError Non ASCII character ' xf3' in file _redacted_ on line 81 but no..
Non-blocking read on a subprocess.PIPE in python http://stackoverflow.com/questions/375427/non-blocking-read-on-a-subprocess-pipe-in-python blocking read on a subprocess.PIPE in python I'm using the..
fitting exponential decay with no initial guessing http://stackoverflow.com/questions/3938042/fitting-exponential-decay-with-no-initial-guessing ax1 fig.add_subplot 2 1 1 ax2 fig.add_subplot 2 1 2 # Non linear Fit A K C fit_exp_nonlinear t noisy_y fit_y model_func.. plot ax1 t y noisy_y fit_y A0 K0 C0 A K C0 ax1.set_title 'Non linear Fit' # Linear Fit Note that we have to provide the y..
Non biased return a list of n random positive numbers (>=0) so that their sum == total_sum http://stackoverflow.com/questions/3959021/non-biased-return-a-list-of-n-random-positive-numbers-0-so-that-their-sum biased return a list of n random positive numbers 0 so that..
Python/Scipy 2D Interpolation (Non-uniform Data) http://stackoverflow.com/questions/5146025/python-scipy-2d-interpolation-non-uniform-data Scipy 2D Interpolation Non uniform Data This is a follow up question to my previous post.. they should be interpolated. I tried replacing them with None but then get 'nan' for all of my results. EDIT I think I need.. np.float GD interpolate.griddata rows cols z.ravel xi None yi None method 'linear' I2 interpolate.interp2d rows cols z..
working with utf-8 encoding in python source http://stackoverflow.com/questions/6289474/working-with-utf-8-encoding-in-python-source 8' print s python bla.py File bla.py line 1 SyntaxError Non ASCII character ' xe2' in file bla.py on line 1 but no encoding..
Can't login to Django /admin interface http://stackoverflow.com/questions/6751434/cant-login-to-django-admin-interface so I installed Python2.5 in different dir to run Django Non Rel on Google App Engine . I did the Guestbook tutorial and..
Programming tutorials for people with zero experience [closed] http://stackoverflow.com/questions/774325/programming-tutorials-for-people-with-zero-experience to start with. One tutorial I've found useful is The Non Programmer's Tutorial for Python by Josh Cogliati . I've also..
Bottle framework and OOP, using method instead of function http://stackoverflow.com/questions/8725605/bottle-framework-and-oop-using-method-instead-of-function work because you are trying to route to non bound methods. Non bound methods do not have a reference to self how could they..
Python: Calling parent class __init__ with multiple inheritance, what's the right way? http://stackoverflow.com/questions/9575409/python-calling-parent-class-init-with-multiple-inheritance-whats-the-righ out example in the section titled How to Incorporate a Non cooperative Class . One might wish that multiple inheritance..
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