python Programming Glossary: calculation
Reverse Geocoding Without Web Access http://stackoverflow.com/questions/1425149/reverse-geocoding-without-web-access Define polygons for each of the states and do some sort of calculation to determine in which polygon a lat lon pair lies. I am not..
Working with big data in python and numpy, not enough ram, how to save partial results on disc? http://stackoverflow.com/questions/16149803/working-with-big-data-in-python-and-numpy-not-enough-ram-how-to-save-partial-r operations. Note the byte size going in the offset calculation. So for a 'float64' this example would be 150000 1000 64 8...
Python - Working around memory leaks http://stackoverflow.com/questions/1641231/python-working-around-memory-leaks objects which store all of the data used during each calculation are not being killed off. I then used that to manually delete..
Solving embarassingly parallel problems using Python multiprocessing http://stackoverflow.com/questions/2359253/solving-embarassingly-parallel-problems-using-python-multiprocessing input data from a file database tcp connection etc. . Run calculations on the input data where each calculation is independent of.. etc. . Run calculations on the input data where each calculation is independent of any other calculation . Write results of calculations.. data where each calculation is independent of any other calculation . Write results of calculations to a file database tcp connection..
Maximal Length of List to Shuffle with Python random.shuffle? http://stackoverflow.com/questions/3062741/maximal-length-of-list-to-shuffle-with-python-random-shuffle all that in mind. On a simplistic case and with a quick calculation for a list without repeated elements 2081 elements would yield..
Improving pure Python prime sieve by recurrence formula http://stackoverflow.com/questions/3285443/improving-pure-python-prime-sieve-by-recurrence-formula statement. Of course I could try to simplify the length calculation by taking out the optimization of starting marking for n instead..
Gauss-Legendre Algorithm in python http://stackoverflow.com/questions/347734/gauss-legendre-algorithm-in-python around 4 t pi a b 2 4 t You can use decimal to perform calculation with higher precision. # usr bin env python from __future__..
Reversible hash function? http://stackoverflow.com/questions/4273466/reversible-hash-function as similar numbers will have similar MSBs . Also easy fast calculation and reversal is a plus but not required. I don't know if I'm..
NumPy: calculate averages with NaNs removed http://stackoverflow.com/questions/5480694/numpy-calculate-averages-with-nans-removed mean values along a matrix but to remove nan values from calculation For R people think na.rm TRUE . Here is my non working example..
Real world example about how to use property feature in python? http://stackoverflow.com/questions/6304040/real-world-example-about-how-to-use-property-feature-in-python evaluation of complex or rapidly changing terms. Complex calculation hidden behind an attribute class PDB_Calculator object ... @property..
How can I profile a multithread program in Python? http://stackoverflow.com/questions/653419/how-can-i-profile-a-multithread-program-in-python Is there any way of profiling all threads involved in the calculation python multithreading profiling share improve this question..
numpy arbitrary precision linear algebra http://stackoverflow.com/questions/6876377/numpy-arbitrary-precision-linear-algebra
How to make an unaware datetime timezone aware in python http://stackoverflow.com/questions/7065164/how-to-make-an-unaware-datetime-timezone-aware-in-python to use localize since there is no daylight savings time calculation to handle now_aware unaware.replace tzinfo pytz.UTC works. .replace..
Is there a decorator to simply cache function return values? http://stackoverflow.com/questions/815110/is-there-a-decorator-to-simply-cache-function-return-values def name self if not hasattr self '_name' # expensive calculation self._name 1 1 return self._name I'm new but I think the caching.. a decorator. Only I didn't find one like it PS the real calculation doesn't depend on mutable values python caching decorator ..
How to spawn parallel child processes on a multi-processor system? http://stackoverflow.com/questions/884650/how-to-spawn-parallel-child-processes-on-a-multi-processor-system count print pool.map work 'ls' count And here is a calculation example to make it easier to understand. The following will..
how do I parallelize a simple python loop? http://stackoverflow.com/questions/9786102/how-do-i-parallelize-a-simple-python-loop individual parameter value parameter j offset # call the calculation out1 out2 out3 calc_stuff parameter parameter # put results..
python calculator program [closed] http://stackoverflow.com/questions/13664759/python-calculator-program CHOICE int raw_input ENTER THE CORRESPONDING NUMBER FOR CALCULATION if CHOICE 1 print 'ADDING TWO NUMBERS ' add c elif CHOICE 2.. CHOICE int raw_input ENTER THE CORRESPONDING NUMBER FOR CALCULATION if CHOICE 1 print 'ADDING TWO NUMBERS ' # Calling a function.. CHOICE int raw_input ENTER THE CORRESPONDING NUMBER FOR CALCULATION if CHOICE 1 print 'ADDING TWO NUMBERS ' print add elif CHOICE..
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