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python Programming Glossary: acHow to generate all permutations of a list in Python http://stackoverflow.com/questions/104420/how-to-generate-all-permutations-of-a-list-in-python permutations iterable r None # permutations 'ABCD' 2 AB AC AD BA BC BD CA CB CD DA DB DC # permutations range 3 012 021..
Speeding up a closest point on a hyperbolic paraboloid algorithm http://stackoverflow.com/questions/18858448/speeding-up-a-closest-point-on-a-hyperbolic-paraboloid-algorithm from the results ''' # Check if c is same as a or b ac c a AC np.linalg.norm ac if AC 0. return c 0. 0. bc c b BC np.linalg.norm.. if c is same as a or b ac c a AC np.linalg.norm ac if AC 0. return c 0. 0. bc c b BC np.linalg.norm bc if BC 0. return.. edge tests ab ab AB test np.dot ac ab if test 0. return a AC 0. elif test AB return b BC 1. # Return closest xyz on segment..
algorithm for python itertools.permutations http://stackoverflow.com/questions/2565619/algorithm-for-python-itertools-permutations permutations iterable r None # permutations 'ABCD' 2 AB AC AD BA BC BD CA CB CD DA DB DC # permutations range 3 012 021.. permutations iterable r None # permutations 'ABCD' 2 AB AC AD BA BC BD CA CB CD DA DB DC # permutations range 3 012 021..
Character Sets explained for Dummies! [closed] http://stackoverflow.com/questions/3049090/character-sets-explained-for-dummies 41 ISO 8859 15 41 UTF 8 41 UTF 16BE 00 41 Grapheme € Code point U 20AC EURO SIGN ASCII Windows 1252 80 ISO 8859.. 41 UTF 8 41 UTF 16BE 00 41 Grapheme € Code point U 20AC EURO SIGN ASCII Windows 1252 80 ISO 8859 15 A4 UTF 8 E2 82.. SIGN ASCII Windows 1252 80 ISO 8859 15 A4 UTF 8 E2 82 AC UTF 16BE 20 AC Grapheme 𝔊 Code point U 1D50A MATHEMATICAL..
URL encoding/decoding with Python http://stackoverflow.com/questions/3563126/url-encoding-decoding-with-python 21 27 5B 5D 7B 7D 23 25 5E 2A 2B 3D_ 5C 7C 7E 3C 3E E2 82 AC C2 A3 C2 A5 E2 80 A2. 2C 3F 21 27' Remember that you will need..
http://stackoverflow.com/questions/3610847/how-to-read-a-musical-file-using-python-and-identify-the-various-frequency-level 0. We can clearly see the DC component at 0 then the major AC component at fs 4 and 3 fs 4 due to this being a real signal..
Finding combination in Python without importing itertools http://stackoverflow.com/questions/3902009/finding-combination-in-python-without-importing-itertools and def combinations iterable r # combinations 'ABCD' 2 AB AC AD BC BD CD # combinations range 4 3 012 013 023 123 pool tuple..
http://stackoverflow.com/questions/8646186/yielding-sub-combinations A B C D A B CD A BC D A BCD AB C D AB CD ABC D ABCD ABD C AC BD AC B D ACD B AD BC AD B C A C B D is not valid since it is.. D A B CD A BC D A BCD AB C D AB CD ABC D ABCD ABD C AC BD AC B D ACD B AD BC AD B C A C B D is not valid since it is not.. CD A BC D A BCD AB C D AB CD ABC D ABCD ABD C AC BD AC B D ACD B AD BC AD B C A C B D is not valid since it is not in sequence..
SQLAlchemy: Relation table with composite primary key http://stackoverflow.com/questions/10525797/sqlalchemy-relation-table-with-composite-primary-key Base.metadata Column 'id' Integer primary_key True actions Table 'actions' Base.metadata Column 'name' String primary_key.. Column 'id' Integer primary_key True actions Table 'actions' Base.metadata Column 'name' String primary_key True .. Integer ForeignKey workflows.c.id primary_key True action_dependencies Table 'action_dependencies' Base.metadata ..
How to find the number of parameters to a Python function from C? http://stackoverflow.com/questions/1117164/how-to-find-the-number-of-parameters-to-a-python-function-from-c I'm happy that I can walk the dictionary to extract a list of functions and use PyCallable_Check to find out if.. but I'm not sure how I can find out how many parameters each function is expecting I've found one technique involving Boost.. co_argcount which is presumably what Boost Python extracts in the example given by Christophe. The code I'm using looks..
what's a good way to combinate through a set? http://stackoverflow.com/questions/1482308/whats-a-good-way-to-combinate-through-a-set a set a b c d what's a good way to produce a b c d ab ac ad bc bd cd abc abd abcd A recursive algorithm I think but maybe.. lambda thing would work better. I'm using python. python factorial share improve this question The Python itertools page.. improve this question The Python itertools page has exactly a powerset recipe for this def powerset iterable powerset..
Render anti-aliased text on transparent surface in pygame http://stackoverflow.com/questions/15488293/render-anti-aliased-text-on-transparent-surface-in-pygame anti aliased text on transparent surface in pygame I'm making a function that takes a string a breaks.. takes a string a breaks it up into lines and returns a surface with each line rendered below the previous one. For example.. a breaks it up into lines and returns a surface with each line rendered below the previous one. For example Line1 nLine..
Speeding up a closest point on a hyperbolic paraboloid algorithm http://stackoverflow.com/questions/18858448/speeding-up-a-closest-point-on-a-hyperbolic-paraboloid-algorithm which finds the UV coords of the closest point on surface from a query point p . The surface is defined by four linear.. closest point on surface from a query point p . The surface is defined by four linear edges made from four known points.. Please ignore the little red ball The problem with my approach is that it is very slow ~10 seconds to do 5000 queries with..
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