python Programming Glossary: workWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python an issue due to backwards compatibility in Python type works this way type name of the class tuple of the parent class for.. in the module class Foo # global __metaclass__ won't work with object though # but we can define __metaclass__ here instead.. here instead to affect only this class # and this will work with object children bar 'bip' print hasattr Foo 'bar' # Out..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python you implement has a useful repr so code like that can just work. This is why the 𩃀val thing comes up if you have enough information..
http://stackoverflow.com/questions/15112125/if-x-or-y-or-z-blah this question You misunderstand how boolean expressions work. You are looking for if x 1 or y 1 or z 1 x and y are otherwise..
How do I watch a file for changes using Python? http://stackoverflow.com/questions/182197/how-do-i-watch-a-file-for-changes-using-python doesn't require polling. Edit Curses It seems this doesn't work over a mapped network drive. I'm guessing windows doesn't 'hear'.. Edit Curses It seems this doesn't work over a mapped network drive. I'm guessing windows doesn't 'hear' any updates to the.. watch_directory_for_changes.html If you only need it to work under Windows the 2nd example seems to be exactly what you want..
What's the best SOAP client library for Python, and where is the documentation for it? [closed] http://stackoverflow.com/questions/206154/whats-the-best-soap-client-library-for-python-and-where-is-the-documentation-f SOAPy Was the best but no longer maintained. Does not work on Python 2.5 ZSI Very painful to use and development is slow...
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 remove the lowest number from the set. Nevertheless it works at least for me for some input numbers sum get_primes 2000000.. case you can just leave this comment as a credit for my work. If you need this code for commercial purposes please contact..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained and you don't want them all stored in memory. And it works because Python does not care if the argument of a method is.. is a list or not. Python expects iterables so it will work with strings lists tuples and generators This is called duck..
Print in terminal with colors using Python? http://stackoverflow.com/questions/287871/print-in-terminal-with-colors-using-python No active frommets remain. Continue bcolors.ENDC This will work on unix linux including macOS and window provided you enable..
How do you split a list into evenly sized chunks in Python? http://stackoverflow.com/questions/312443/how-do-you-split-a-list-into-evenly-sized-chunks-in-python for lists of any length e.g. using generators. This should work l range 1 1000 print chunks l 10 1..10 11..20 .. 991..999 I..
Is there any way to kill a Thread in Python? http://stackoverflow.com/questions/323972/is-there-any-way-to-kill-a-thread-in-python should terminate the thread one way to ensure that it works is t ThreadWithExc ... ... t.raiseExc SomeException while t.isAlive..
Non-blocking read on a subprocess.PIPE in python http://stackoverflow.com/questions/375427/non-blocking-read-on-a-subprocess-pipe-in-python invoke .readline I'd like this to be portable or at least work under Windows and Linux. here is how I do it for now It's blocking..
Flattening a shallow list in Python http://stackoverflow.com/questions/406121/flattening-a-shallow-list-in-python print list chain 'image00' 'image01' 'image10' It will work on anything that's iterable which should include Django's iterable..
What is the most “pythonic” way to iterate over a list in chunks? http://stackoverflow.com/questions/434287/what-is-the-most-pythonic-way-to-iterate-over-a-list-in-chunks which takes as input a list of integers which I need to work with four integers at a time. Unfortunately I don't have control..
How to install pip on windows? http://stackoverflow.com/questions/4750806/how-to-install-pip-on-windows 15915700 362951 There is a simple exe installer which just works http stackoverflow.com a 16377781 362951 If you are an ActivePython.. httpie There you go hopefully Proxy problems If you work in an office you might be behind a HTTP proxy. If so set the..
How can I make a chain of function decorators in Python? http://stackoverflow.com/questions/739654/how-can-i-make-a-chain-of-function-decorators-in-python trying to understand how decorators and decorator chaining works. python decorator share improve this question Check out.. Check out the documentation to see how decorators work. Here is what you asked for def makebold fn def wrapped return..
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference I can do to pass the variable by actual reference . Let's work on that. How do we get around this As @Andrea's answer shows..
How do I 'lock the keyboard' to prevent any more keypresses being sent on X11/Linux/Gnome? http://stackoverflow.com/questions/10740067/how-do-i-lock-the-keyboard-to-prevent-any-more-keypresses-being-sent-on-x11-li focus. Some programmes are able to do this already e.g. Work Rave How do I do this on Linux X11 Preferable in Python python..
Change one character in a string in Python? http://stackoverflow.com/questions/1228299/change-one-character-in-a-string-in-python share improve this question Don't modify strings. Work with them as lists turn them into strings only when needed...
Rally APIs: How to copy Test Folder and member Test Cases http://stackoverflow.com/questions/13223568/rally-apis-how-to-copy-test-folder-and-member-test-cases not associate the new Test Case to original Test Case's Work Product i.e. Defect User Story or copy Discussion items Test.. user@company.com my_password topsecret my_workspace My Workspace my_project My Project source_test_folder_formatted_id TF1..
Getting a Python Virtual Environment, Fabric and Sudo to Work Together http://stackoverflow.com/questions/17795618/getting-a-python-virtual-environment-fabric-and-sudo-to-work-together a Python Virtual Environment Fabric and Sudo to Work Together Steps to reproduce In a linux environment create a..
http://stackoverflow.com/questions/1818774/executing-a-subprocess-fails So you either write p Popen r' C Program Files Systems Emb Work 5.4 common bin run C Program Files Systems Emb Work 5.4 arm.. Emb Work 5.4 common bin run C Program Files Systems Emb Work 5.4 arm bin mpr.dll ... ...' cwd r ... or p Popen r C Program.. ...' cwd r ... or p Popen r C Program Files Systems Emb Work 5.4 common bin run r C Program Files Systems Emb Work 5.4 arm..
When I run it tells me this : NameError: name 'lock' is not defined? http://stackoverflow.com/questions/20200549/when-i-run-it-tells-me-this-nameerror-name-lock-is-not-defined in a warning message and the thread count being set to 5. Work out a method of automatically partitioning the array into N..
Scala equivalent to python generators? http://stackoverflow.com/questions/2137619/scala-equivalent-to-python-generators to write Python in Scala is bound to be unproductive. Work harder at the Scala idioms that accomplish the same goals. ..
Cannot redirect output when I run Python script on Windows using just script's name http://stackoverflow.com/questions/3018848/cannot-redirect-output-when-i-run-python-script-on-windows-using-just-scripts-n Knowledge Base article STDIN STDOUT Redirection May Not Work If Started from a File Association . It's in the Python README...
Python Fabric run command returns “binascii.Error: Incorrect padding” http://stackoverflow.com/questions/5063796/python-fabric-run-command-returns-binascii-error-incorrect-padding fabric.api import run env local cd WORK os.getenv 'HOME' ' Work myproject ' env.user 'ubuntu' env.hosts '128.248.268.288' env.key_filename.. 540 in main commands name args kwargs File Users mickeyckm Work myproject codes giivee fabfile.py line 18 in deploy run 'ls'..
Frequently repeated try/except in Python http://stackoverflow.com/questions/7108193/frequently-repeated-try-except-in-python wrapper and then pass a lambda function def may_exist func Work with file which you are not sure if exists. try func except..
Where to put a configuration file in Python? http://stackoverflow.com/questions/7567642/where-to-put-a-configuration-file-in-python mode. In addition I would like to be portable if possible Work on windows for example . What's the good practice to do that..
How do distribute and pip relate to one another? http://stackoverflow.com/questions/8550062/how-do-distribute-and-pip-relate-to-one-another library so it has been removed from the 3.3 release. Work will continue on Distutils2 which is available via PyPI and..
Windows cmd encoding change causes Python crash http://stackoverflow.com/questions/878972/windows-cmd-encoding-change-causes-python-crash message if isinstance message str else repr message # Work around http bugs.python.org issue6058 . codecs.register lambda..
Numpy error: invalid value encountered in power http://stackoverflow.com/questions/9140744/numpy-error-invalid-value-encountered-in-power c size 3000 c numpysum size When running I get the error D Work programming python test_1 src test1_numpy.py 6 RuntimeWarning..
Python MySQL - SELECTs work but not DELETEs? http://stackoverflow.com/questions/1451782/python-mysql-selects-work-but-not-deletes # db details omitted cursor self.db.cursor # WORKS cursor.execute SELECT site_id FROM users WHERE username s username.. s username record cursor.fetchone # DOES NOT SEEM TO WORK cursor.execute DELETE FROM users WHERE username s username Any..
Python/Django download Image from URL, modify, and save to ImageField http://stackoverflow.com/questions/3445568/python-django-download-image-from-url-modify-and-save-to-imagefield could occur here # START OF CODE THAT DOES NOT SEEM TO WORK # I need to somehow convert an image ..... img_temp NamedTemporaryFile.. object will accept. # END OF CODE THAT DOES NOT SEEM TO WORK my_model_instance.image.save 'some_filename' file_object # this..
Python Fabric run command returns “binascii.Error: Incorrect padding” http://stackoverflow.com/questions/5063796/python-fabric-run-command-returns-binascii-error-incorrect-padding it. import os from fabric.api import run env local cd WORK os.getenv 'HOME' ' Work myproject ' env.user 'ubuntu' env.hosts.. '128.248.268.288' env.key_filename ' s aws myproject.pem' WORK def deploy print Executing on host s as user s env with cd '.. location and see if that works. filelocation os.path.join WORK 'aws myproject.pem' env.key_filename filelocation share improve..
Appengine: put_async doesn't work (at least in the development server)? http://stackoverflow.com/questions/7244081/appengine-put-async-doesnt-work-at-least-in-the-development-server work at least in the development server NOTE IT DOES WORK IN PRODUCTION. I MEAN WHEN I UPLOAD THE APPLICATION IT JUST.. PRODUCTION. I MEAN WHEN I UPLOAD THE APPLICATION IT JUST WORKS FINE. THE PROBLEM IS IN THE DEVELOPMENT SERVER. Here is some..
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