python Programming Glossary: everyhttp://stackoverflow.com/questions/107705/python-output-buffering switch Wrap sys.stdout in an object that flushes after every write Set PYTHONUNBUFFERED env var sys.stdout os.fdopen sys.stdout.fileno.. some other stream like wrapper which does a flush after every call. class Unbuffered def __init__ self stream self.stream..
http://stackoverflow.com/questions/120656/directory-listing-in-python share improve this question This is a way to traverse every file and directory in a directory tree import os for dirname..
Should you always favor xrange() over range()? http://stackoverflow.com/questions/135041/should-you-always-favor-xrange-over-range times. xrange has to reconstruct the integer object every time but range will have real integer objects. It will always..
Difference between __str__ and __repr__ in Python http://stackoverflow.com/questions/1436703/difference-between-str-and-repr-in-python __str__ __repr__ . This means in simple terms almost every object you implement should have a functional __repr__ that.. default_c But you have to do the last step make sure every object you implement has a useful repr so code like that can.. enough information so eval repr c c that means you know everything there is to know about c . If that 䏭 easy enough at least..
How do I avoid having Python class data shared among instances? http://stackoverflow.com/questions/1680528/how-do-i-avoid-having-python-class-data-shared-among-instances that a new instance of the members is created alongside every new instance of the object which is the behavior you're looking..
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 the last while if lastadded 1 p.pop # now complete for every other possible prime while pos len tk1 cpos const pos if tk1..
What do (lambda) function closures capture in Python? http://stackoverflow.com/questions/2295290/what-do-lambda-function-closures-capture-in-python output was 6 I expected a 4. My reasoning was in Python everything is an object and thus every variable is essential a pointer.. reasoning was in Python everything is an object and thus every variable is essential a pointer to it. When creating the lambda..
http://stackoverflow.com/questions/2709821/python-self-explained but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate in Ruby I can do this.. obvious what's what and although it doesn't do it entirely everywhere it does do it for instance attributes. That's why assigning..
Is it Pythonic to use bools as ints? http://stackoverflow.com/questions/3174392/is-it-pythonic-to-use-bools-as-ints Fighting against the tide of such misunderstanding I urge everybody to use Python as Python not trying to force it into the.. exclusively in their str ... and thereby repr ... form for every other operation except stringification just feel free to use..
Python UnicodeDecodeError - Am I misunderstanding encode? http://stackoverflow.com/questions/368805/python-unicodedecodeerror-am-i-misunderstanding-encode The most straightforward encoding of Unicode is UCS 4 every character occupies 4 bytes and all ~1000000 characters are available...
Suggestions for a Cron like scheduler in Python? http://stackoverflow.com/questions/373335/suggestions-for-a-cron-like-scheduler-in-python 17 2 1 5 usr bin purge temps # run the purge temps command every 2 hours between 9am and 5pm on Mondays to Fridays. The cron.. functions first class AllMatch set Universal set match everything def __contains__ self item return True allMatch AllMatch..
http://stackoverflow.com/questions/472000/python-slots after creation. This saves the overhead of one dict for every object that uses slots. While this is sometimes a useful optimization..
Dynamically adding a form to a Django formset with Ajax http://stackoverflow.com/questions/501719/dynamically-adding-a-form-to-a-django-formset-with-ajax at how many forms there currently are and goes through every input and label inside the new form replacing all the field..
Why is python ordering my dictionary like so? http://stackoverflow.com/questions/526125/why-is-python-ordering-my-dictionary-like-so that a dictionary is unordered but it comes out the same every time and I've no idea why. python dictionary share improve..
Get the cartesian product of a series of lists in Python http://stackoverflow.com/questions/533905/get-the-cartesian-product-of-a-series-of-lists-in-python of lists in Python How can I get the Cartesian product every possible combination of values from a group of lists Input somelists..
Python rounding error with float numbers http://stackoverflow.com/questions/5997027/python-rounding-error-with-float-numbers isn't a systematic error not in the sense it happens to every integer. So I created the following Python script # usr bin..
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 to a log in interactive mode without modifying each and every system call. In other words I want the functionality of the..
What is the best way to implement nested dictionaries in Python? http://stackoverflow.com/questions/635483/what-is-the-best-way-to-implement-nested-dictionaries-in-python 36 Now maintaining and creating this is pretty painful every time I have a new state county profession I have to create the..
How do I capture SIGINT in Python? http://stackoverflow.com/questions/1112343/how-do-i-capture-sigint-in-python that starts several processes and database connections. Every now and then I want to kill the script with a Ctrl C signal..
http://stackoverflow.com/questions/11328920/is-python-strongly-typed doesn't magically become a number as may happen in Perl. Every change of type requires an explicit conversion. Dynamic typing..
What do you wish you'd known about when you started learning Python? [closed] http://stackoverflow.com/questions/1710363/what-do-you-wish-youd-known-about-when-you-started-learning-python with those parts the smoother your progress will be. Every time you have a task you want to do that doesn't seem to be..
Understanding Generators in Python? http://stackoverflow.com/questions/1756096/understanding-generators-in-python you can see myGen n is a function which yields n and n 1 . Every call to next yields a single value until all values have been..
Why does x,y = zip(*zip(a,b)) work in Python? http://stackoverflow.com/questions/2511300/why-does-x-y-zipzipa-b-work-in-python Python's zip function. Use it all the time it's brilliant. Every now and again I want to do the opposite of zip think I used..
Python “Every Other Element” Idiom http://stackoverflow.com/questions/2631189/python-every-other-element-idiom &ldquo Every Other Element&rdquo Idiom I feel like I spend a lot of time..
http://stackoverflow.com/questions/2801008/mongodb-insert-if-not-exists insert if not exists Every day I receive a stock of documents an update . What I want to..
I Need a little help with Python, Tkinter and threading http://stackoverflow.com/questions/3567238/i-need-a-little-help-with-python-tkinter-and-threading startCounting every 5 seconds alongside root's mainloop. Every time this function is called I append a Toplevel widget object..
Suggestions for a Cron like scheduler in Python? http://stackoverflow.com/questions/373335/suggestions-for-a-cron-like-scheduler-in-python like 0 2 7 usr bin run backup # run the backups at 0200 on Every Sunday 0 9 17 2 1 5 usr bin purge temps # run the purge temps..
How is CPython's set() implemented? http://stackoverflow.com/questions/3949310/how-is-cpythons-set-implemented use What other implications does that implementation have Every answer here was really enlightening but I can only accept one..
How to implement “autoincrement” on Google AppEngine http://stackoverflow.com/questions/3985812/how-to-implement-autoincrement-on-google-appengine label numbers or the like. A number MUST NOT BE used twice Every number SHOULD BE used when exactly all smaller numbers have..
Playing RTSP with python-gstreamer http://stackoverflow.com/questions/4192871/playing-rtsp-with-python-gstreamer autovideosink Output g_assert sink Make sure Every elements was created ok if pipeline source demux decoder colorspace..
Python 2 vs Python 3 and Tutorial [closed] http://stackoverflow.com/questions/442352/python-2-vs-python-3-and-tutorial to have to wait weeks or even months to get a good answer. Every last one of your answers has been helpful and I am excited about..
Unresolved Import Issues with PyDev and Eclipse http://stackoverflow.com/questions/4631377/unresolved-import-issues-with-pydev-and-eclipse from Desktop Python_Tutorials diveintopython py Every message board response I can find just saying to use the sys.path.append..
Need help understanding Comet in Python (with Django) http://stackoverflow.com/questions/5614274/need-help-understanding-comet-in-python-with-django hopefully tied to Django for users auth templates etc. Every time I read about a tool it says I need another tool on top..
What defines “pythonian” or “pythonic”? [closed] http://stackoverflow.com/questions/58968/what-defines-pythonian-or-pythonic conforms to the idioms of the Python programming language. Every language has its own particular idiom as Jeff said you can write..
Python rounding error with float numbers http://stackoverflow.com/questions/5997027/python-rounding-error-with-float-numbers will be less than the actual number. Read What Every Computer Scientist Should Know About Floating Point Arithmetic..
int((0.1+0.7)*10) = 7 in several languages. How to prevent this? http://stackoverflow.com/questions/6439140/int0-10-710-7-in-several-languages-how-to-prevent-this representation share improve this question What Every Computer Scientist Should Know About Floating Point Arithmetic..
Is Python interpreted or compiled or both? http://stackoverflow.com/questions/6889747/is-python-interpreted-or-compiled-or-both Now coming back to python i am bit confused about this. Every where you can learn that python is an interpreted language but..
http://stackoverflow.com/questions/9860667/writing-robust-color-and-size-invariant-circle-detection-with-opencv-based-on Thus the problem boils down to finding the centers. Every pixel is a candidate center therefore the search space contains..
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