Problem : Most languages have a NaN constant you can use to assign a variable the value NaN. Can python […]
Python DizzyCoding
Python recursion permutations
Problem : Im having trouble trying to make a permutation code with recursion. This is suppose to return a list […]
Python string formatting: is ‘%’ more efficient than ‘format’ function?
Problem : I wanted to compare different to build a string in Python from different variables: using + to concatenate […]
How to convert an XML file to nice pandas dataframe?
Problem : Let’s assume that I have an XML like this: <author type=”XXX” language=”EN” gender=”xx” feature=”xx” web=”foobar.com”> <documents count=”N”> <document […]
Output to the same line overwriting previous output?
Problem : I am writing an FTP downloader. Part of to the code is something like this: ftp.retrbinary(“RETR ” + […]
Plot numpy datetime64 with matplotlib
Problem : I have two numpy arrays 1D, one is time of measurement in datetime64 format, for example: array([2011-11-15 01:08:11, […]
combining a log and linear scale in matplotlib
Problem : The example here What is the difference between ‘log’ and ‘symlog’? nicely shows how a linear scale at […]
Get coordinates of local maxima in 2D array above certain value
Problem : from PIL import Image import numpy as np from scipy.ndimage.filters import maximum_filter import pylab # the picture (256 […]
ModuleNotFoundError’ when trying to import module from imported package
Problem : This is my directory structure: man/ Mans/ man1.py MansTest/ SoftLib/ Soft/ SoftWork/ manModules.py Unittests/ man1test.py man1.py contains the […]
What python libraries can tell me approximate location and time zone given an IP address?
Problem : Looking to implement better geo-location with Python. Solution : Hostip.info is an open-source project with the goal to […]