Python Guru

I have a python class object and I want to assign the value of one class variable class Groupclass(… Read more Python Attributeerror On __del__

I can understand the following sed regular expression. sed 's/.*\(SNAP=[^|]*\) |.*/\1/'… Read more Converting A Sed Regular Expression To Python Code

city temperature windspeed event day … Read more Splitting Groupby() In Pandas Into Smaller Groups And Combining Them

I get the foll. output from a pandas cut operation: 0 (0, 20] 1 (0, 20] 2 (0, … Read more Convert Pandas Cut Operation To A Regular String

In virtualenv defaulting python3: First I removed my app myapp from project. And I created a new fo… Read more After Installing App Templatedoesnotexist Error

I am writing a small python application which executes scala commands. A user can insert the comman… Read more Input Command Doesn't Seem To Work When Used With Popen Python

I want to package a project that contains (and uses) template html files and distribuite it as an e… Read more Pkg_resources.resource_filename Is Not Extracting Files

I calculated my multiple linear regression equation and I want to see the adjusted R-squared. I kno… Read more Python Sklearn Multiple Linear Regression Display R-squared

I have the same piece of coding to deal with Twitter User Stream running on two different machines.… Read more Twitter Stream Using Oauth In Python Behaving Differently On Two Equally Configured Machines

I have a FASTA file with IDs and corresponding DNA sequences which I have parsed and stored into a … Read more Hamming Distance Matrix For Multiple Sequences

I want to update an index in a 2D tensor with value 0. So data is a 2D tensor whose 2nd row 2nd col… Read more How To Update A Subset Of 2d Tensor In Tensorflow?

I have a list of integers, i.e.: values = [55, 55, 56, 57, 57, 57, 57, 62, 63, 64, 79, 80] I am tr… Read more Finding The Largest Delta Between Two Integers In A List

I'm using the latest Flask/Werkzeug (Flask 0.9) client-side sessions to persist information bet… Read more Flask Session Forgets Entry Between Requests

I have encountered the below error message: invalid literal for int() with base 10: ''2… Read more Python Converting Strings In A List To Numbers

I am trying to learn python (coming from PHP), and want to set up the simplest web server so I can … Read more Simple Python Server Setup

I have followed the channels tutorial but while running these error throw Version of the packages i… Read more Cannot Import Asgi_application Module While Runserver Using Channels 2

I have a text file with the following structure ID,operator,a,b,c,d,true WCBP12236,J1,75.7,80.6,65.… Read more Combine Lines With Matching Keys

I've tried to understand when Python strings are identical (aka sharing the same memory locatio… Read more How Does Python Determine If Two Strings Are Identical

I'm trying to create a function servo_to_quadrant that returns the value servo_quadrant. Questi… Read more Unboundlocalerror: Local Variable Referenced Before Assignment (python)

I'm following the Django Tutorials, I'm at the end of part 3, at Decoupling the URLconfs, a… Read more No Module Named Urls

I am looking to pass an object instance as a parameter into a Flask-RESTfull Resource. Here is my s… Read more Flask Restful Add Resource Parameters

I am wondering seriously about the effects of cv2.imwrite() function of OpenCV. I noticed that when… Read more Not Losing The Quality Of Pictures Saved With Cv2.imwrite()

I have counted samples for lat/lon bins: dlon = [4.90148783 4.91438189 4.92727594 4.94017 4.953… Read more Matplotlib Annotated Heatmaps Formatting

I need to write a function using recursion that accepts the following variables: n: int x: real an… Read more Exponential Sum Using Recursion.python

Below is a program which asks the user to enter a recipe and stores their ingredients in a set of l… Read more Writing And Reading Lists To Text Files In Python: Is There A More Efficient Way?

Fill in the Pandas code below to create a new DataFrame, customer_spend, that contains the followin… Read more Selective Building Of New Dataframe With Existing Dataframes In Addition To Calculation

Before you mark this as Duplicate, I have read the solutions to this question. In Django Admin I ha… Read more How To Change The Django Admin Filter To Use A Dropdown Instead Of List That Can Also Be Searched?

I have a string of length n composed of letters A,G,C and T. The string is steady if it contains eq… Read more Find The Shortest Substring Whose Replacement Makes The String Contain Equal Number Of Each Character

Is it possible to specify where pyodbc looks for the SQL driver? I have a python application which… Read more Pyodbc: Specify Location Of Driver In Windows

I have the following dataframe df: H,Nu,City,Code,Code2 0.965392,15,Madrid,es,es 0.920614,15,Madrid… Read more Pandas - Get Values From Multindex Columns

I tried to solve 1D coupled PDEs for an advection-diffusion-reaction problem with the Matlab functi… Read more How To Couple Advection Diffusion Reaction Pdes With Fipy

I believed Thread.ident as a unique identifier of threads but now I see different worker processes … Read more Thread Identifier In Multiprocessing Pool Workers

I have one excel file , dataframe have 20 rows . after few rows there is again column names row, i … Read more How To Split Dataframe On Based On Columns Row

The question refers to which one is preferable to be used in which use case, not about the technica… Read more Use Cases For Property Vs. Descriptor Vs. __getattribute__

I need to remove duplicates in a list without set, functions or loops - only by using filter and a … Read more Python - Removing Duplicates In List Only By Using Filter And Lambda

I use a 3rd party library which returns after a lot of computation a ctypes object containing point… Read more How To Save Ctypes Objects Containing Pointers

I'm trying to achieve sans-serif axes labels and ticks in matplotlib with pgf. I want to contro… Read more Matplotlib Ticks Sans-serif For All Plots

Do filesystems store time zone information along with the file information? I ran into a weird bug … Read more Do Filesystems Store Time Zone Information?

I have a User model, I want its id start from 10000, then its id should auto-increment like: 10001,… Read more How Can My Model Primary Key Start With A Specific Number?

I want to select only certain rows from a NumPy array based on the value in the second column. For … Read more Selecting Rows From A Numpy Ndarray

I need to sample a bunch of pairs of points from an arrary. I want that each pair consists of two … Read more Numpy Random Choice, Replacement Only Along One Axis

In my Django app I have a Publication model and a Tag model which have a many to many relationship.… Read more What Is An Efficient Way To Do An And/or Search Django-postgres App?

I got a compatible problem when serialize a protobuf message between python and nodejs. I have a pr… Read more Serialization Problem Using Protobuf Between Python And Nodejs

In Perl, by using Template Toolkit, here is what I do Perl my $vars = { name => 'Cou… Read more Pass In Variable To Mako Template

I am trying to download some Excels files throught multiple Internet Explorer 11 windows at the sam… Read more Download Files Automatically In Internet Explorer 11 With Python And Selenium

When i try to install tensorflow>=2.2.0rc0 from setup.py running python setup.py install from a … Read more Cant Install Tensorflow 2.2.0rc0 In Ubuntu With Github Actions Inside Setup.py

this question is related to : DSP : audio processing : squart or log to leverage fft? in which I wa… Read more Dsp - Get The Amplitude Of All The Frequencies

I'm looking for a way to produce a scatter plot in python where smaller plots will be drawn abo… Read more Plot Larger Points On Bottom And Smaller On Top

I'm new to using pandas and am writing a script where I read in a dataframe and then do some co… Read more When Using A Pandas Dataframe, How Do I Add Column If Does Not Exist?

I'm using Python's Watchdog to monitor a given directory for new files being created. When… Read more Combining Python Watchdog With Multiprocessing Or Threading

I wish to add more python modules to my yocto/openembedded project but I am unsure how to? I wish … Read more How Do I Add More Python Modules To My Yocto/openembedded Project?

This is a follow up of my previous quesion I installed splash and scrapy-splash. And also followed … Read more Scrapy-splash Usage For Rendering Javascript

I've been trying to figure out how to iterate pages to scrape multiple news articles. This is t… Read more How To Iterate Pages To Scrape Web News

When I wanted to install pip, the error just came out: C:\Users\xd>python get-pip.py install Col… Read more Fail To Install Pip In Python3.6

import numpy as np import cv2 from matplotlib import pyplot as plt img = cv2.imread('C:\\Users… Read more Converting An Image From Cartesian To Polar - Limb Darkening

The sys module has a couple of global properties that I'm interested in: sys.stdout and sys.std… Read more Intercepting Assignments To Sys.stdout And Sys.stderr

background:I want to export all document in quip. I provided the account and password in the code f… Read more How To Iterate Button Links In Selenium