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python Programming Glossary: indexesHow can I profile a SQLAlchemy powered application? http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application it means your query should be optimized either by adding indexes or restructuring the query and or underlying schema. For that..
Python random lines from subfolders http://stackoverflow.com/questions/12128948/python-random-lines-from-subfolders will need updating if your files ever do change as the indexes have to be re calculated. The file_indices will help you with..
Iterate a list with indexes in python http://stackoverflow.com/questions/126524/iterate-a-list-with-indexes-in-python a list with indexes in python I could swear I've seen the function or method that..
“Large data” work flows using pandas http://stackoverflow.com/questions/14262433/large-data-work-flows-using-pandas append to each table by group # we are not going to create indexes at this time # but we ARE going to create some data_columns.. This way the structure would be pretty transparent to you. indexes on certain data columns makes row subsetting much faster . enable..
Using numpy.take for faster fancy indexing http://stackoverflow.com/questions/14491480/using-numpy-take-for-faster-fancy-indexing to rearrange your LUT and IMG The following works if the indexes in IMG are from 0 255 for the 1st plane 256 511 for the 2nd..
Numpy ?˜smart??symmetric matrix http://stackoverflow.com/questions/2572916/numpy-smart-symmetric-matrix
Python: Implementing slicing in __getitem__ http://stackoverflow.com/questions/2936863/python-implementing-slicing-in-getitem out how to define the getitem class to handle both plain indexes and slicing. def __getitem__ self start stop step indx start..
Python regular expressions - how to capture multiple groups from a wildcard expression? http://stackoverflow.com/questions/464736/python-regular-expressions-how-to-capture-multiple-groups-from-a-wildcard-expr does not increase group count imagine all other group indexes increment because an eralier group matched more than once ...
Find all occurrences of a substring in Python http://stackoverflow.com/questions/4664850/find-all-occurrences-of-a-substring-in-python like string.find_all which can return all founded indexes not only first from beginning or first from end For example..
Is it possible to specify your own distance function using Scikits.Learn K-Means Clustering? http://stackoverflow.com/questions/5529625/is-it-possible-to-specify-your-own-distance-function-using-scikits-learn-k-means for jcentre J in km clustercentre centres jcentre J indexes e.g. X J classes J def __init__ self X k 0 centres None nsample..
http://stackoverflow.com/questions/6012963/subset-sum-problem x return sum N_list sum P_list # since the column indexes are in the range from 0 to P N # we would like to retrieve them..
Selenium: FirefoxProfile exception Can't load the profile http://stackoverflow.com/questions/6682009/selenium-firefoxprofile-exception-cant-load-the-profile
How to get indices of N maximum values in a numpy array? http://stackoverflow.com/questions/6910641/how-to-get-indices-of-n-maximum-values-in-a-numpy-array np.argmax . I would like a similar thing but returning the indexes of the N maximum values. For instance if I have an array 1 3..
Python: Looping through all but the last item of a list http://stackoverflow.com/questions/914715/python-looping-through-all-but-the-last-item-of-a-list using for x in y I would prefer to do it without using indexes if I can. Note freespace answered my actual question which is..
Understanding Python's iterator, iterable, and iteration protocols — what exactly are they? http://stackoverflow.com/questions/9884132/understanding-pythons-iterator-iterable-and-iteration-protocols-what-exact defines a __getitem__ method that can take sequential indexes starting from zero and raises an IndexError when the indexes.. starting from zero and raises an IndexError when the indexes are no longer valid . So an iterable is an object that you can..
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