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python Programming Glossary: largeWhat can you use Python generator functions for? http://stackoverflow.com/questions/102535/what-can-you-use-python-generator-functions-for item is requested. Generators are good for calculating large sets of results in particular calculations involving loops themselves..
Python Numpy Very Large Matrices http://stackoverflow.com/questions/1053928/python-numpy-very-large-matrices that it's capable of handling matrices which are quite large 10000x10000 easily but begins to struggle with anything much.. easily but begins to struggle with anything much larger trying to create a matrix of 50000x50000 fails . Obviously..
What is the simplest way to SSH using Python? http://stackoverflow.com/questions/1233655/what-is-the-simplest-way-to-ssh-using-python output to the Python console I would rather not use any large external library and not install anything on the remote server...
How do I modify a text file in Python? http://stackoverflow.com/questions/125703/how-do-i-modify-a-text-file-in-python the whole file into memory because the file may be too large for that. Once the temporary file is completed I rename it the..
http://stackoverflow.com/questions/13058458/python-list-index a 1 b a a 2 print b 1 But since lists might get pretty large rather than shifting the whole list around memory Python chooses..
How can I explicitly free memory in Python? http://stackoverflow.com/questions/1316767/how-can-i-explicitly-free-memory-in-python memory in Python I wrote a Python program that acts on a large input file to create a few million objects representing triangles...
Showing the stack trace from a running Python application http://stackoverflow.com/questions/132058/showing-the-stack-trace-from-a-running-python-application allow for debugging backgrounded processes etc . Its a bit large to post here but I've added it as a python cookbook recipe ...
Should you always favor xrange() over range()? http://stackoverflow.com/questions/135041/should-you-always-favor-xrange-over-range For performance especially when you're iterating over a large range xrange is usually better. However there are still a few..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas pandas but I currently lack an out of core workflow for large datasets. I'm not talking about big data that requires a distributed.. that requires a distributed network but rather files too large to fit in memory but small enough to fit on a hard drive. My.. a hard drive. My first thought is to use HDFStore to hold large datasets on disk and pull only the pieces I need into dataframes..
Python: Once and for all. What does the Star operator mean in Python? [duplicate] http://stackoverflow.com/questions/2921847/python-once-and-for-all-what-does-the-star-operator-mean-in-python get_a a 1 b 2 # returns 1 this can allow you to specify a large number of optional parameters without having to declare them...
http://stackoverflow.com/questions/3455456/what-kinds-of-patterns-could-i-enforce-on-the-code-to-make-it-easier-to-translat failure. . What you have to shoot for to translate large scale systems is high nineties percentage conversion rates or..
http://stackoverflow.com/questions/3684484/peak-detection-in-a-2d-array the sensor with local maxima's that together have the largest sum. So I tried some experimenting and decide to simply look.. 'heel' is so wide it gets recognized twice The paw is too large so taking a 2x2 size with no overlap causes some toes to be.. which I suspect is being caused by the 2x2 area being too large. After trying the current solution on all my measurements I..
Is it Pythonic to use list comprehensions for just side effects? http://stackoverflow.com/questions/5753597/is-it-pythonic-to-use-list-comprehensions-for-just-side-effects after it is created and it could potentially be very very large and therefore expensive to create. share improve this answer..
How to get line count cheaply in Python? http://stackoverflow.com/questions/845058/how-to-get-line-count-cheaply-in-python count cheaply in Python I need to get a line count of a large file hundreds of thousands of lines in python. What is the most..
How to learn Python: Good Example Code? [closed] http://stackoverflow.com/questions/918/how-to-learn-python-good-example-code I see is generally encapsulated in a single script or so large and unwieldy I don't know where to start. I would really like..
http://stackoverflow.com/questions/929029/how-do-i-access-the-child-classes-of-an-object-in-django-without-knowing-the-nam queries on child tables to find the instance depending how large your inheritance tree is. Here's how I did it in one project..
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 reading stdin. Now here are the results using an even larger file 100M lines ~3.4GB on a fast server with very fast disk.. line based input files as the buffer can be set to a very large value that would not be exceeded by valid input. This has been.. reading one character at a time the stream will be read in larger chunks. This reduces the number of system calls which are typically..
Why isn't Python very good for functional programming? http://stackoverflow.com/questions/1017621/why-isnt-python-very-good-for-functional-programming things I miss in Python Pattern matching Tail recursion Large library of list functions Functional dictionary class Automatic..
Python Numpy Very Large Matrices http://stackoverflow.com/questions/1053928/python-numpy-very-large-matrices Numpy Very Large Matrices Numpy is an extremely useful library and from using..
How to create a list of random integer vector whose sum is x http://stackoverflow.com/questions/11380491/how-to-create-a-list-of-random-integer-vector-whose-sum-is-x or normal by a simple test counter example of Law of Large Numbers. Dougal also suggested to use numpy's multinomial function..
Large, persistent DataFrame in pandas http://stackoverflow.com/questions/11622652/large-persistent-dataframe-in-pandas persistent DataFrame in pandas I am exploring switching to..
Using subprocess.Popen for Process with Large Output http://stackoverflow.com/questions/1180606/using-subprocess-popen-for-process-with-large-output subprocess.Popen for Process with Large Output I have some Python code that executes an external app..
Python/Regex - Match .#,#. in String http://stackoverflow.com/questions/12608152/python-regex-match-in-string Test3.1100 456.jpg 'Test3' '1100 456' 'jpg' Basic with Large Number T.E.S.T.4.5 6.png 'T.E.S.T.4' '5 6' 'png' Doesn't strip..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas Large data&rdquo work flows using pandas I have tried to puzzle out..
Python Multiprocessing storing data until further call in each process http://stackoverflow.com/questions/14437944/python-multiprocessing-storing-data-until-further-call-in-each-process 20 newsgroups data Initial 0 After train_and_model 626804 Large object requires 627M After Process 0 After p.start 33016 done..
Share Large, Read-Only Numpy Array Between Multiprocessing Processes http://stackoverflow.com/questions/17785275/share-large-read-only-numpy-array-between-multiprocessing-processes Large Read Only Numpy Array Between Multiprocessing Processes I have..
Why should I learn Python? [closed] http://stackoverflow.com/questions/203862/why-should-i-learn-python it by default. Strongly typed without static typing Large standard library Includes lists dictionaries sets and much more..
Fastest Way to Delete a Line from Large File in Python http://stackoverflow.com/questions/2329417/fastest-way-to-delete-a-line-from-large-file-in-python Way to Delete a Line from Large File in Python I am working with a very large ~11GB text file..
Large Django application layout http://stackoverflow.com/questions/2670031/large-django-application-layout Django application layout I am in a team developing a web based..
What python equivalent of Sinatra would you recommend? [closed] http://stackoverflow.com/questions/3070469/what-python-equivalent-of-sinatra-would-you-recommend similar to Sinatra but also differs in a few points. Large number of extensions for SQLAlchemy CouchDB and more. Juno not..
Limiting Memory Use in a *Large* Django QuerySet http://stackoverflow.com/questions/4856882/limiting-memory-use-in-a-large-django-queryset Memory Use in a Large Django QuerySet I have a task which needs to be run on 'most'..
How to detect motion between two PIL images? (wxPython webcam integration example included) http://stackoverflow.com/questions/5524179/how-to-detect-motion-between-two-pil-images-wxpython-webcam-integration-exampl 'test_diff2.png' print image_entropy img # 5.76452986917 # Large Difference img ImageChops.difference img1 img3 img.save 'test_diff3.png'..
Using Python Iterparse For Large XML Files http://stackoverflow.com/questions/7171140/using-python-iterparse-for-large-xml-files Python Iterparse For Large XML Files I need to write a parser in Python that can process..
Python running out of memory parsing XML using cElementTree.iterparse http://stackoverflow.com/questions/7697710/python-running-out-of-memory-parsing-xml-using-celementtree-iterparse Previous coverage on SO Using Python Iterparse For Large XML Files Can Python xml ElementTree parse a very large xml..
Generating pdf-latex with python script http://stackoverflow.com/questions/8085520/generating-pdf-latex-with-python-script textbf huge School and Program Name vspace 1cm textbf Large Homework Title vspace 1cm textbf Large Course Name end center.. vspace 1cm textbf Large Homework Title vspace 1cm textbf Large Course Name end center vspace 2.5cm begin flushright large My.. begin document ... textbf huge school s vspace 1cm textbf Large title s ... end document ''' Next use argparse to accept values..
What is the best way to get a semi long unique id (non sequential) key for Database objects http://stackoverflow.com/questions/9877524/what-is-the-best-way-to-get-a-semi-long-unique-id-non-sequential-key-for-datab will likely invalidate the whole number if chaff_val is Large Enough . def chaffify2 val chaff_val 87953 Add chaff to the..
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