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python Programming Glossary: denominatorWhy is there no first(iterable) built-in function in Python? http://stackoverflow.com/questions/1077307/why-is-there-no-firstiterable-built-in-function-in-python value found' This way you can express things like denominators 2 3 4 5 lcd first i for i in itertools.count 1 if all i denominators.. 2 3 4 5 lcd first i for i in itertools.count 1 if all i denominators 0 for denominator in denominators Clearly you can't do list.. i for i in itertools.count 1 if all i denominators 0 for denominator in denominators Clearly you can't do list generator 0 in that..
How can I tail a log file in Python? http://stackoverflow.com/questions/12523044/how-can-i-tail-a-log-file-in-python a good idea since you would have to use the least common denominator implementation without resorting to platform specific hacks..
How to calculate cosine similarity given 2 sentence strings? - Python http://stackoverflow.com/questions/15173225/how-to-calculate-cosine-similarity-given-2-sentence-strings-python 2 for x in vec1.keys sum2 sum vec2 x 2 for x in vec2.keys denominator math.sqrt sum1 math.sqrt sum2 if not denominator return 0.0.. vec2.keys denominator math.sqrt sum1 math.sqrt sum2 if not denominator return 0.0 else return float numerator denominator def text_to_vector.. if not denominator return 0.0 else return float numerator denominator def text_to_vector text words WORD.findall text return Counter..
http://stackoverflow.com/questions/20124472/python-float-to-ratio 3602879701896397 1125899906842624 Fraction 3.2 .limit_denominator Fraction 16 5 From the Fraction.limit_denominator function Finds.. .limit_denominator Fraction 16 5 From the Fraction.limit_denominator function Finds and returns the closest Fraction to self that.. Finds and returns the closest Fraction to self that has denominator at most max_denominator. This method is useful for finding rational..
Python: Random is barely random at all? http://stackoverflow.com/questions/2145510/python-random-is-barely-random-at-all using bignums behind the scenes. # numerator factorial PV denominator PV SS factorial PV SS # Now we need to get from bignums to floats.. to division. # log_prob_no_pair log10 numerator log10 denominator # We've just calculated the log of the probability that NO #..
How is it that json serialization is so much faster than yaml serialization in python? http://stackoverflow.com/questions/2451732/how-is-it-that-json-serialization-is-so-much-faster-than-yaml-serialization-in-p of reduced human readability. It also uses a lowest common denominator information model ensuring any JSON data can be easily processed.. parse. In addition YAML ventures beyond the lowest common denominator data types requiring more complex processing when crossing between..
Nicely representing a floating-point number in python http://stackoverflow.com/questions/2663612/nicely-representing-a-floating-point-number-in-python no loss of information n d f.as_integer_ratio numerator denominator decimal.Decimal n decimal.Decimal d ctx decimal.Context prec.. d ctx decimal.Context prec 60 result ctx.divide numerator denominator while ctx.flags decimal.Inexact ctx.flags decimal.Inexact False.. False ctx.prec 2 result ctx.divide numerator denominator return result def f number sigfig # http stackoverflow.com questions..
Safest way to convert float to integer in python? http://stackoverflow.com/questions/3387655/safest-way-to-convert-float-to-integer-in-python if you are trying to represent a rational number with a denominator that is not a power of two. That this works is not trivial at..
negative numbers modulo in python http://stackoverflow.com/questions/3883004/negative-numbers-modulo-in-python always return a number having the same sign as the denominator divisor . Your expression yields 3 because 5 4 2 × 4 3..
Why is equivalent Python code so much slower http://stackoverflow.com/questions/4305518/why-is-equivalent-python-code-so-much-slower of Euclid's algorithm to find greatest common denominator about 3 times slower then equivalent code in Ruby contents of..
http://stackoverflow.com/questions/5148903/letter-frequency-in-python nothing but characters from alpha n is now the correct denominator. You could then use a collections.defaultdict int to count the..
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