Python Development

I am trying to split a source column of a dataframe in several columns based on its content, and th… Read more Python Pandas: Create A New Column For Each Different Value Of A Source Column (with Boolean Output As Column Values)

I have an input file (input.txt) with the following information: Number of students (first line) N… Read more Reading Input Files And Writing Into Output Files - Python

def my_abs(value): '''Returns absolute value without using abs function''' … Read more How To Get Absolute Value Without 'abs' Function?

I am trying to read h5 file from AWS S3. I am getting the following errors using s3fs/boto3. Can yo… Read more Read H5 File Using Aws S3 S3fs/boto3

I am trying to use re.sub() to manipulate latex math expressions, specifically, replace strings suc… Read more Using If-then-else Conditionals With Python Regex Replacement

how do i serialize output of a query with select related into a json ? When i serialize data from … Read more Serializing Data Results From Query With Select_related Into Json

Was using the multiprocessing process before async, to test which is faster I am trying to run the … Read more Await Outside Async In Async/await

I'm using Rpy2 version 2.8.4 in conjunction with R 3.3.0 and python 2.7.10 to create an R dataf… Read more Rpy2 Pandas2ri.ri2py() Is Converting Na Values To Integers

I'm trying to use ldap3 with python to retrieve members of a group and also retrieve their sAMA… Read more Ldap3 Python Search Members Of A Group And Retrieve Their Samacountname (active Directory)

I am trying to figure out how to accept am/pm as a time format in Django using a DateTime field, bu… Read more Django Accepting Am/pm As Form Input

i have a QMainWindow that starts a QThread and waits for data from the network. updates UI when it … Read more Pyqt Main Window Keeps Crashing After Receiving Data From A Thread

On Ubuntu there is a package for installing gir1.2-gtk-3.0: sudo apt install gir1.2-gtk-3.0 Centos… Read more Installing Gir1.2-gtk-3.0 On Centos

I got an issue with Django 1.6: I want to change the default static file directory in django. I don… Read more Change Django's Default Static Directory

I create a single file python application with Pyinstaller using --onefile parameters. Everything w… Read more Pyinstaller Adding Splash Screen Or Visual Feedback During File Extraction

I need help with the SBValue class used in the lldb Python module which is used for creating script… Read more Writing A Python Script To Print Out An Array Of Recs In Lldb

I'm having trouble with an application I'm writing that downloads and uploads files to and … Read more Why Is Paramiko Raising Eoferror() When The Sftp Object Is Stored In A Dictionary?

I'm writing a program and I need to scramble the letters of strings from a list in python. For … Read more Are There Any Ways To Scramble Strings In Python?

I've searched for this, but the results I've seen involve the opposite: applying multiple d… Read more Apply A Single Decorator To Multiple Functions

I'm relatively new to Python, and I just started learning regular expressions. I can't seem… Read more Python Regular Expressions, How To Search For A Word Starting With Uppercase?

I have a dataframe where I am trying to create a new column based on applying a lambda to two colum… Read more How To Use Shift() Within Apply() In Dataframe And Still Access Full Series?

I'm having a problem where when I ask my program to quit out it prints like I ask it to, howeve… Read more While Loop Fail - Caesar Cipher

I have a few questions regarding geometry managers: (a) How does the grid geometry managers determi… Read more Some Elementary Tkinter Questions

What is the pep8 compliant way to do deep dictionary access? dct = { 'long_key_name_one'… Read more Pep8 Compliant Deep Dictionary Access

I'm trying to get cron to run this command every 10 minutes; (In /home/pi/myst-myst/ DIR) pytho… Read more Crontab Issues Running Python

I am trying to make a python script that will search a directory for all files that end with a spec… Read more Python Script To Search Directory For Certain File Type Then Append Their Contents Together

I have to combine 3 cells of a row separated by '-'. Input is: A1 A9 AMF A2 B9 BMF A1 … Read more How To Combine One Row's Data Into A Single Cell Using Openpyxl

I have a QDialog object. When the user clicks on the X button or presses Ctrl+Q, I want the dialog… Read more How Do I Catch A Pyqt Closeevent And Minimize The Dialog Instead Of Exiting?

How can I calculate the cross product of two vectors without the use of programming libraries? E.g … Read more Cross Product Of Two Vectors In Python

python version = Python 3.8.0 pip version = 19.3.1 C:\Users\Sami Ullah Ch>pip3 install opencv-py… Read more Getting Error While Installing Opencv Via Pip

django return 500 internal server error (apache 2.4.10, ubuntu 15.04, django 1.9.6) apache log: [ws… Read more Django - 500 Internal Server Error "no Module Named Django"

Hi, I would like to write an xpath expression to ONLY print the text for all the 'class - ins… Read more How To Formulate The Xpath Expression From The Following Html

I want to know whether there is an equivalent statement in lists to do the following. In MATLAB I w… Read more How To Create A Range Of Numbers With A Given Increment

i am trying to find 3 lowest number from a list and using those indexes to find corresponding value… Read more Indices Of The N Smallest Elements Of A List

I have an infinite script written in Python which connects to Postgresql and inserts there a record… Read more Psycopg2 And Infinite Python Script

I'm having trouble getting the actual background color of widgets. In my special case I'm h… Read more Get The Background Color Of A Widget - Really

How do I get a similarity measure of a document using Whoosh? I want to create a 'Related'… Read more Document Comparison / Similarity Using Whoosh Python Search Library

I have defined serializers like below. I'm using a mixin to change the display fields on the fl… Read more Django Rest Framework : Nested Serializer Dynamic Model Fields

I am looking to handle a DNS error when scraping domains Scrapy. Here's the error that I am see… Read more How To Scrapy Handle Dns Lookup Failed

I am running a rather complex python script through a screen session on my server. Sometimes, after… Read more Log When Python Script Failed

This question is a follow up from following question:With statement and python threading I have bee… Read more With-statement And Threading :making Function Execute Before Run

I have a tkinter based GUI program running in Python 3.4.1. I have several threads running in the p… Read more Python - Running Autobahn|python Asyncio Websocket Server In A Separate Subprocess Or Thread

I'm using Anaconda on Windows x64. I'm trying to install some library using pip. However, t… Read more Pip Is Not Recognized In Anaconda Prompt

me very new to programming I have problem with bar chart. Here is my bar chart: import numpy as np… Read more How Do I Get More Columns Of Xticklabels

I am using Python/NumPy, and I have two arrays like the following: array1 = [1 2 3] array2 = [4 5 6… Read more Array Of Arrays (python/numpy)

i have a Pandas dataframe like this: Date Hour Actual 2018-06-01 0 0.000000 2018-06-… Read more Pandas Convert Hour Index Integer To Datetime

I've seen a number of other questions like this floating around but it seems many of them are u… Read more Pyqt5 -- Unable To Playback Video From Stream

I am currently trying to implement the N-body problem using Euler's method for solving differen… Read more Python Implementation Of N-body Problem Issue

I would like to combine multiple Mayavi objects into a single 'grouped' object so that I co… Read more How To Join/connect/group Multiple Objects In Mayavi2

I have run the following code below twice. Once with the headless argument and once without. I chec… Read more Python Selenium - Website Behaves Differently When Ran Headless

Suppose I search a dataframe like this df[df['a'] > 5] and then I want to add 5 and 10 r… Read more Pandas: Search And Add Values To Cells Of Multiple Column

I am using cx_freeze to transfer a python file to a exe. the problem is when i exclude tkinter in t… Read more How To Include Tkinter When Using Cx_freeze To Convert Script To .exe?

I'm trying to load the CSV file with schema under auto detection but I am unable to load the fi… Read more Load The Csv File Into Big Query Auto Detect Schema Using Python Api

I need a way to compare two files that have the same hostname in them. I have written a function th… Read more Comparing Files Once I Have Hostname

This is my dataframe: > df a b 0 1 set([2, 3]) 1 2 … Read more How To Concat Sets When Using Groupby In Pandas Dataframe?

In a text file (test.txt), my string looks like this: Gro\u00DFbritannien Reading it, python escap… Read more Python File Input String: How To Handle Escaped Unicode Characters?

Hi I am trying to figure out how to do date picking on the calendar for zacks for some personal pro… Read more Calendar Date Picker Selenium Python

I have dataframe below A B 1 a0 2 b0 3 b1 4 a1 5 b2 6 a2 First,I would like to cut df.with startsw… Read more How To Count The Number Of Following Rows In Pandas

Consider the following input in a financial application, where precision matters: { 'value'… Read more Decimal In Input Json To Python 3 Lambda Function

I wonder how to correctly use python 2.7 callback functions. I have some callback functions from Ch… Read more How To Use A Callback Function In Python?

I'm looking to 'clean' a list by excluding any items which contain characters other tha… Read more Most Efficient Way To Remove Non-numeric List Entries

I just wrote a small text class in python for a game written using pygame and for some reason my de… Read more Python Default Argument Syntax Error

I am trying to get the parent of a widget then get the parent of that widget. But Everytime I try t… Read more Getting The Parent Of A Parent Widget In Python Tkinter

I'm having a little trouble working out how I can specify the last 60 elements on a page posts … Read more Selenium, Get Elements By Xpath - Only Grab Last 60 Elements On Page