PyList_GetItem() returning a reference Question: I am using the PyHelper class that I found HERE My python script is returning a list and in C++ I can call PyList_Size() and successfully get the size but when I try get item it returns a very large number which I assume is a address reference rather than …
How can I assign a tag to the smallest in one group, second smallest in another group and third smallest in the third group to a pandas dataframe? Question: I have the below data frame, ID Group Date_Time_1 Date_Time_2 Difference New_Column 123 A 14-10-2021 15:19 14-10-2021 15:32 13 First 123 A 14-10-2021 15:19 14-10-2021 15:36 …
Get a element from list, from pair of 3 Question: Hello I have a list in which elemnets are in pair of 3 list given below, labels = [”, ”, ‘5000’,”, ‘2’, ”,”, ”, ‘1000’,’mm-dd-yy’, ”, ”,”, ”, ’15’,’dd/mm/yy’, ”, ”, ”, ‘3’, ”,”, ”, ‘200’,”, ‘2’, ”,’mm-dd-yy’, ”, ”,”, ”, ”,”, ”, ”] in …
What is the best way of Importing a module to work on both Python 2 and Python 3? Question: I have two test launchers , one with python 2 env and another with python 3 env. I use from itertools import izip_longest which worked fine in python2 env. But the same module is missing in …
Reading netcdf time with unit of years Question: All, I am trying to read the time coordinate from Berkley Earth in the following temperature file. The time spans from 1850 to 2022. The time unit is in the year A.D. (1850.041667, 1850.125, 1850.208333, …, 2022.708333, 2022.791667,2022.875). The pandas.to_datetime cannot correctly interpret the time array because …
Python2 vs Python3 : Exception variable not defined Question: I wrote this small snippet in python2 (2.7.18) to catch the exception in a variable and it works >>> ex = None >>> try: … raise Exception("test") … except Exception as ex: … print(ex) … test >>> ex Exception(‘test’,) >>> >>> ex2 = None >>> try: …
How to apply pivot to the data frame columns if there is specific pattern like numbers then letters? Question: I am trying to write a code inside Python3 to convert the first table into the expected table. Would you please help me to convert the one I have into the expected one at the bottom? …
error "unmatched group" when using re.sub in Python 2.7 Question: I have a list of strings. Each element represents a field as key value separated by space: listA = [ ‘abcd1-2 4d4e’, ‘xyz0-1 551’, ‘foo 3ea’, ‘bar1 2bd’, ‘mc-mqisd0-2 77a’ ] Behavior I need to return a dict out of this list with expanding the …
Calling a C function with a char* argument through python ctypes difference python2 and python3 Question: I am converting a file from python2 to python3 that calls a C function using the ctypes module. The below minimal example works in python2, however raises the following error in python3 (3.11) OSError: exception: access violation writing 0x00000000000094E0 …
How to wait until a certain output (string) occurs while executing subprocess.check_output? Question: I am trying to write a Python script which will download my software build. So the script will wait until certain output occurs and proceed for the next task: import os import subprocess out = subprocess.check_output(["wget", "–downloadlink–"]) print(out) if "saved" in out: …
