python Programming Glossary: zeroes
Counting of adjacent cells in a numpy array http://stackoverflow.com/questions/12612663/counting-of-adjacent-cells-in-a-numpy-array means the number of array fields with other values eg. zeroes in the vicinity of array values as sum for each valid value.. the assumed binary structure. # Total sum of surrounding zeroes is therefore sum 5 4 6 4 5 24 How can i count the number of.. therefore sum 5 4 6 4 5 24 How can i count the number of zeroes in such way if the structure of my values vary I somehow believe..
Strange behaviour with floats and string conversion http://stackoverflow.com/questions/13345334/strange-behaviour-with-floats-and-string-conversion by doing a printf with format .17g and discarding trailing zeroes. This is guaranteed correct for 64 bit floats by IEEE 754. Since..
Version number comparison http://stackoverflow.com/questions/1714027/version-number-comparison Remove the uninteresting part of the string trailing zeroes and dots and then compare the lists of numbers. import re def..
Base-2 (Binary) Representation Using Python http://stackoverflow.com/questions/187273/base-2-binary-representation-using-python can use this in your real function stripping off leading zeroes when returning it. I've also added handling for signed numbers..
Finding the exponent of n = 2**x using bitwise operations [logarithm in base 2 of n] http://stackoverflow.com/questions/2255177/finding-the-exponent-of-n-2x-using-bitwise-operations-logarithm-in-base-2-o binary representation of 2 s i.e. counting the trailing zeroes looping on a division by 2 until the result is 1 I am using..
Scipy sparse… arrays? http://stackoverflow.com/questions/2540059/scipy-sparse-arrays using numpy arrays that are quite sparse lots and lots of zeroes. I figured that I'd use scipy's 'sparse' package to reduce the..
Python: Nicest way to pad zeroes to string http://stackoverflow.com/questions/339007/python-nicest-way-to-pad-zeroes-to-string Nicest way to pad zeroes to string What is the nicest shortest way to pad a string with.. What is the nicest shortest way to pad a string with zeroes to the left so the string length has a specific length python..
Counting collisions in a Python dictionary http://stackoverflow.com/questions/4865325/counting-collisions-in-a-python-dictionary true that hash o id o . As the address is likely to have zeroes in the low order 3 or 4 bits the hash is constructed by rotating.. It would be a problem if there were lots of zeroes in the low order bits because to access a table of size 2 i..
python crc32 woes http://stackoverflow.com/questions/5047494/python-crc32-woes last 32 bits is the checksum and how can that not be all zeroes I've searched google for answers and looked at the code of several..
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