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python Programming Glossary: doesWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python create a class on the fly dynamically. This is what Python does when you use the keyword class and it does so by using a metaclass... is what Python does when you use the keyword class and it does so by using a metaclass. What are metaclasses finally Metaclasses.. it it will use it to create the object class Foo . If it doesn't it will use type to create the class. Read that several times...
http://stackoverflow.com/questions/107705/python-output-buffering sys.stdout with some other stream like wrapper which does a flush after every call. class Unbuffered def __init__ self..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python like format MyClass this r that r self.this self.that . It does not mean that you can actually construct MyClass or that those.. uses contained objects __repr__ This seems surprising doesn ™t it It is a little but how readable would moshe is 3 hello..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained What is the use of the yield keyword in Python What does it do For example I'm trying to understand this code def node._get_child_candidates.. share improve this question To understand what yield does you must understand what generators are. And before generators.. function the code you have written in the function body does not run. The function only returns the generator object this..
http://stackoverflow.com/questions/261638/how-do-i-protect-python-code the license file. Another aspect is that my employer does not want the code to be read by our customers fearing that the..
http://stackoverflow.com/questions/2709821/python-self-explained The reason you need to use self. is because Python does not use the @ syntax to refer to instance attributes. Python.. explicit making it obvious what's what and although it doesn't do it entirely everywhere it does do it for instance attributes... what and although it doesn't do it entirely everywhere it does do it for instance attributes. That's why assigning to an instance..
Python “is” operator behaves unexpectedly with integers http://stackoverflow.com/questions/306313/python-is-operator-behaves-unexpectedly-with-integers is&rdquo operator behaves unexpectedly with integers Why does the following behave unexpectedly in Python a 256 b 256 a is..
What does `if __name__ == “__main__”:` do? http://stackoverflow.com/questions/419163/what-does-if-name-main-do does `if __name__ &ldquo __main__&rdquo ` do What does the if __name__.. does `if __name__ &ldquo __main__&rdquo ` do What does the if __name__ __main__ do # Threading example import time.. myfunction Thread # 2 2 lock Also what does args mean in this example python idioms python import share..
Python: How do I pass a variable by reference? http://stackoverflow.com/questions/986006/python-how-do-i-pass-a-variable-by-reference clears things up a little. EDIT It's been noted that this doesn't answer the question that @David originally asked Is there.. answer shows you could return the new value. This doesn't change the way things are passed in but does let you get.. This doesn't change the way things are passed in but does let you get the information you want back out def return_a_whole_new_string..
How do you send a HEAD HTTP request in Python? http://stackoverflow.com/questions/107405/how-do-you-send-a-head-http-request-in-python read the mime type without having to download the content. Does anyone know of an easy way of doing this python http http headers..
Is there a difference between `==` and `is` in python? http://stackoverflow.com/questions/132988/is-there-a-difference-between-and-is-in-python n is 5 print 'Yay ' two tests for equality equivalent ha Does this hold true for objects where you would be comparing instances.. print 'Yay ' # Holds true but... if L is 1 print 'Yay ' # Doesn't. So tests value where is tests to see if they are the same..
Does python have 'private' variables in classes? http://stackoverflow.com/questions/1641219/does-python-have-private-variables-in-classes python have 'private' variables in classes I'm coming from..
Does Python have an ordered set? http://stackoverflow.com/questions/1653970/does-python-have-an-ordered-set Python have an ordered set Python has an ordered dictionary..
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 libraries SOAPy Was the best but no longer maintained. Does not work on Python 2.5 ZSI Very painful to use and development..
Weighted random selection with and without replacement http://stackoverflow.com/questions/352670/weighted-random-selection-with-and-without-replacement of the list which is small enough to hold in memory. Does anyone have any suggestions on the best approach in this situation..
Ternary conditional operator in Python http://stackoverflow.com/questions/394809/ternary-conditional-operator-in-python conditional operator in Python Does Python have a ternary conditional operator If not is it possible..
How to find the mime type of a file in python? http://stackoverflow.com/questions/43580/how-to-find-the-mime-type-of-a-file-in-python currently on a Mac but this should also work on Windows. Does the browser add this information when posting the file to the..
Does python have an equivalent to Java Class.forName()? http://stackoverflow.com/questions/452969/does-python-have-an-equivalent-to-java-class-forname python have an equivalent to Java Class.forName I have the..
Python code to pick out all possible combinations from a list? http://stackoverflow.com/questions/464864/python-code-to-pick-out-all-possible-combinations-from-a-list as a filter to pick out the appropriate numbers. Does anyone know of a better way Using map maybe python combinations..
Does Python have a built in function for string natural sort? http://stackoverflow.com/questions/4836710/does-python-have-a-built-in-function-for-string-natural-sort Python have a built in function for string natural sort I have..
Python read a single character from the user http://stackoverflow.com/questions/510357/python-read-a-single-character-from-the-user class _Getch Gets a single character from standard input. Does not echo to the screen. def __init__ self try self.impl _GetchWindows..
Django - Set Up A Scheduled Job? http://stackoverflow.com/questions/573618/django-set-up-a-scheduled-job but I can't seem to find any documentation on doing this. Does anyone know how to set this up To clarify I know I can set up..
Convert XML/HTML Entities into Unicode String in Python http://stackoverflow.com/questions/57708/convert-xml-html-entities-into-unicode-string-in-python use HTML entities to represent non ascii characters. Does Python have a utility that takes a string with HTML entities..
Python rounding error with float numbers http://stackoverflow.com/questions/5997027/python-rounding-error-with-float-numbers in the numbers for which this rounding error happens. Does anyone knows why this happens with those lucky numbers Thanks..
Does “\d” in regex mean a digit? http://stackoverflow.com/questions/6479423/does-d-in-regex-mean-a-digit &ldquo d&rdquo in regex mean a digit I found that in 123 d..
Rolling or sliding window iterator in Python http://stackoverflow.com/questions/6822725/rolling-or-sliding-window-iterator-in-python length is 1. I'm currently using the following code. Does anyone have a more Pythonic less verbose or more efficient method..
http://stackoverflow.com/questions/886221/does-django-scale Django scale I'm building a web application with Django. The..
list comprehension without [ ], Python http://stackoverflow.com/questions/9060653/list-comprehension-without-python _ for _ in xrange 10 no but the result is the same. Why Does str _ for _ in xrange 10 also produce a list or an iteratable..
how to extract domain name from URL http://stackoverflow.com/questions/1066933/how-to-extract-domain-name-from-url e.g. zap.co.it is a subdomain because Italy's registrar DOES sell domains such as co.it while zap.co.uk isn't because the.. as co.it while zap.co.uk isn't because the UK's registrar DOESN'T sell domains such as co.uk but only like zap.co.uk . You'll..
Threaded Django task doesn't automatically handle transactions or db connections? http://stackoverflow.com/questions/1303654/threaded-django-task-doesnt-automatically-handle-transactions-or-db-connections implicit ROLLBACK. That last sentence is very literal. It DOES NOT issue a ROLLBACK command unless something in Django has..
Python MySQL - SELECTs work but not DELETEs? http://stackoverflow.com/questions/1451782/python-mysql-selects-work-but-not-deletes users WHERE username s username record cursor.fetchone # DOES NOT SEEM TO WORK cursor.execute DELETE FROM users WHERE username..
http://stackoverflow.com/questions/1631897/python-file-slurp or with open 'x.txt' as x f x.readlines This variant DOES guarantee immediate closure of the file right after the reading...
How do I get Python's Mechanize to POST an ajax request? http://stackoverflow.com/questions/3225569/how-do-i-get-pythons-mechanize-to-post-an-ajax-request site ignores the field. I thought that Mechanize's urlopen DOES include cookies. But being HTTPS it's hard to wireshark the..
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 RGB # resize could occur here # START OF CODE THAT DOES NOT SEEM TO WORK # I need to somehow convert an image ....... that the Django object will accept. # END OF CODE THAT DOES NOT SEEM TO WORK my_model_instance.image.save 'some_filename'..
Matplotlib figure facecolor (background color) http://stackoverflow.com/questions/4804005/matplotlib-figure-facecolor-background-color 'red' plt.savefig trial_fig.png # The saved trial_fig.png DOES NOT have the red facecolor. # plt.savefig trial_fig.png facecolor..
Getting started with secure AWS CloudFront streaming with Python http://stackoverflow.com/questions/6549787/getting-started-with-secure-aws-cloudfront-streaming-with-python get_domain_from_xml basic_dist #Create a distribution that DOES need signed URLS hsd HackedStreamingDistributionConfig connection..
http://stackoverflow.com/questions/6907473/cannot-import-gst-in-python get the gst module to import Mind you I checked and pygst DOES import. Thank you in advance python pygtk gstreamer gst share..
Python xlwt - accessing existing cell content, auto-adjust column width http://stackoverflow.com/questions/6929115/python-xlwt-accessing-existing-cell-content-auto-adjust-column-width the user has set cell_overwrite_ok True Assuming xlwt DOES offer the functions I am looking for I was planning on going..
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 doesn't work at least in the development server NOTE IT DOES WORK IN PRODUCTION. I MEAN WHEN I UPLOAD THE APPLICATION IT..
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