Python Playground

I want to generate random numbers in the range -1, 1 and want each one to have equal probability of… Read more What Is The Best Way Of Getting Random Numbers In Numpy?

I managed to run Pyodide in browser. I created hello.txt file. But how can I access it. Pyodide ht… Read more How To Copy / Download File Created In Pyodide In Browser?

I need a seven-segment clock with time.strftime. I have this for the clock: import sys from tkinter… Read more Seven Segment Digits Clock With The System Time In Python Tkinter With Strftime

In Matplotlib, i'm trying to make a legend with colored 'markers' like this one : this… Read more Matplotlib : Making A Colored Markers Legend From Scratch

I have configured my celery.py as its documents but I put my celery broker url to AWS SQS but I can… Read more Django Celery 4 - Valueerror: Invalid Literal For Int() With Base 10 When Start Celery Worker

I have a numpy matrix with shape of (4601, 58). I want to split the matrix randomly as per 60%, 20%… Read more Numpy: How To Randomly Split/select An Matrix Into N-different Matrices

I found this code in Python for removing emojis but it is not working. Can you help with other code… Read more Removing Emojis From A String In Python

I am writing different python modules for gupshup, nexmo, redrabitt, etc. service providers. #gupsh… Read more How Do I Import A Module Only When Needed?

When trying to 'import cv' in python I get: 'ImportError: No module named cv'. This… Read more How To Install Python 2.7 Bindings For Opencv Using Macports

I have a CSV (mylist.csv) with 2 columns that look similar to this: jfj840398jgg item-2f hd883h… Read more Read In The First Column Of A Csv In Python

I have a program that I created with two sections. The first one copies a text file with an intege… Read more Writing To Files In Ascii With Python3, Not Utf8

I'm trying to install SIP on my computer so I can proceed to get PyQt. I put the install files … Read more Sip Install - Unable To Open Siplib.sbf

I would like to use the max_time_ms flag during a find on mongodb, but I woulld like to understand … Read more Pymongo Max_time_ms

Suppose I have the following tensor: T = [[0.1, 0.3, 0.7], [0.2, 0.5, 0.3], [0.1, 0.1, 0.… Read more Tensorflow - Dense Vector To One-hot

I'm working on web scraping some particular websites and therefor I use the python 3 requests p… Read more Httpsconnectionpool Ssl Error Certificate Verify Failed

I'm trying to learn how to use multiprocessing in Python. I read about multiprocessing, and I t… Read more Parallel Processing - Pool - Python

Post model class Post(models.Model): likes = models.ManyToManyField(User, related_name='lik… Read more Django Filter Liked Posts By User

I cannot import datetime from a python script, but I can from the terminal command line. 1)import d… Read more Can't Import Import Datetime In Script

I am trying to read 700MB file stored in S3. How ever I only require bytes from locations 73 to 102… Read more Reading Part Of A File In S3 Using Boto

I have deployed a django(1.7) project in pythonanywhere and its link is- http://drchitradhawle.pyt… Read more Error In Linking Static Files In Django Project Deployed On Pythonanywhere

forgive me if this is a basic question but i am new to pandas. I have a dataframe with with a colum… Read more Pandas Groupby : How To Get Top N Values Based On A Column

I saved Keras model in hdf5 format as follows: from keras.callbacks import ModelCheckpoint filepath… Read more Importerror: `load_model` Requires H5py When Loading Hdf5

I am trying Openshift but I can't deploy a python app with lxml. Below are my steps, I'm on… Read more Openshift: Can't Install Lxml For Python App

I would like to build a simple rss reader. I use the following code: import tkinter as tk import fe… Read more How To Add A Link To Text In Tkinter Text Widget With Feedparser?

Is it possible to propagate type hinting to overridding methods? Say, I have the following classes:… Read more Type Hinting Propagation For Overriding Methods

need some help in the following code as it goes into infinite loop and does not validate user input… Read more Encryption Code In Def Function To Be Written In Python

having some trouble stu = [] inp = input('Students: ') stu.append(inp) print('Class Rol… Read more Printing On New Line - Python

For instance, can someone please explain to me the purpose of the asterisk in line 2 below? m = Ba… Read more Can Someone Please Explain To Me The Purpose Of The Asterisk In Python?

I'm forced to keep my .env file in a non-standard path outside the root of my project (in a sep… Read more How Do You Use Python-decouple To Load A .env File Outside The Expected Paths?

Throughout the django documentation and a lot of tutorials people seem to pick freely between using… Read more Whats The Difference Between Using {{static_url}} And {% Static %}

Why does this script still bring me to the main page (not logged in)? Imagine the email and pass w… Read more Facebook Login -python 3 Requests Module

I have a list of documents, labeled with their appropriate categories: documents = [(list(corpus.wo… Read more Lowercase First Element Of Tuple In List Of Tuples

I am learning to use electron js with python and I am using python-shell so I have the following si… Read more Python Not Printing Output

I notice some interesting behavior when it comes to building lists in different ways. .append takes… Read more Speedups In Looping Structures

I have a process which spawns 2 types of thread classes. One thread is responsible for consuming a … Read more Killing All Threads And The Process From A Thread Of The Same Process

I'm just learning PyQt and I have a small application that seems to work ok unit I hit the X in… Read more What The Error When I Close The Dialog

I am trying to scrape information from the pages listed on this page. https://pardo.ch/pardo/progra… Read more Python Scrapy Not Crawling All Urls In Scraped List

given two large dataframes, is there any concise and efficient code (avoid using any for loop direc… Read more How To Find The Complement Of Two Dataframes

If I have a numpy.ndarray that's, say, 300 points in size (1 x 300 for now), and I wanted to se… Read more Numpy: Selecting N Points Every M Points

I have a data set I wish to plot as scatter plot with matplotlib, and a vector the same size that c… Read more Python Scatter-plot: Conditions For Marker Styles?

I am running a Flask application using AWS Elastic Beanstalk. The application deploys successfully,… Read more Elastic Beanstalk Won't Recognize Absolute Path To File, Returns Filenotfounderror

For some reason, whenever I try to open a python script that has around ~450 lines of code, IDLE… Read more Blank Python Idle Window When Opening Python File On Macos

I have the following matrix A in R: # [,1] [,2] [,3] [,4] # [1,] -1.152777… Read more Inconsistent Results Between Lu Decomposition In R And Python

I want to create a simple app that will execute JavaScript commands in Chrome Console on a specific… Read more Execute Javascript Commands In Chrome Console From Java App

I'm trying to animate a set of particles that follow trajectories in x, y and z. Each object ha… Read more Animate A Collection Of Patches In Matplotlib

I am working on a web application, in which clicking on some link another popup windows appears. T… Read more Python Webdriver To Handle Pop Up Browser Windows Which Is Not An Alert

I was comparing numpy array in-place operation with regular operation. And here is what I did (Pyth… Read more Numpy In-place Operation Performance

I have a DataFrame: A B 1: 0 1 2: 0 0 3: 1 1 4: 0 1 5: 1 0 I want to update each item column … Read more Pandas: Update Column Values From Another Column If Criteria

Scipy has an excelent spatial analysis pack which includes a K-dimensional tree. I am attempting to… Read more Scipy.spatial Valueerror: "x Must Consist Of Vectors Of Length %d But Has Shape %s"

I have a numpy array as follows: import numpy as np a = np.array([1, 4, 2, 6, 4, 4, 6, 2, 7, 6, 2, … Read more Count The Number Of Times Elements In A Numpy Array Consecutively Satisfy A Condition

This is the error I receive: A GDAL API version must be specified. Provide a path to gdal-config … Read more Provide A Path To Gdal-config Using A Gdal_config Environment Variable Error While Attempting To Install Fiona

I am running the test with log_cli=true. The script: import logging import sys from multiprocessing… Read more Empty Messages In Caplog When Logs Emmited In A Different Process

I'm using django-registration-redux in my project for user registration. It uses default User m… Read more Django Registration Redux: How To Change The Unique Identifier From Username To Email And Use Email As Login

I want to be able to find the highest value of three different variables with their own integer val… Read more Python: Finding Which Variable Has The Highest Value And Assign That Value To A New Variable

I am a beginner in python but my OOPS concept from Java and Android are strong enough to motivate … Read more Pyqt Ui Event Control Segregation

I have an XML file which contains the following strings: abcdef pqrst this Solution 1: You could… Read more Matching Patterns In Python

I am starting to learn 'networking' with Python. I have followed a basic tutorial to run a … Read more Why Would I Bind On A Different Server Than 127.0.0.1?

tf.scatter_add works nicely for 1d (shape 1) tensors: > S = tf.Variable(tf.constant([1,2,3,4])) … Read more How To Increment Matrix Element In Tensorflow Using Tf.scatter_add?

Suppose I have a numpy array as show below and I want to calculate the mean of values at index 0 of… Read more How To Find The Mean Of The Value At An Index In Numpy

I'm using the code from this thread to limit my download rate. How do I incorporate partial d… Read more Python Urlretrieve Limit Rate And Resume Partial Download

Can I render an openCV animation from a background thread in Python? Here is my attempt: import cv2… Read more Can I Render An Opencv Animation From A Background Thread In Python?

How to group by a given frequency let say Hourly, and create a set of box plot for one column in a… Read more Box Plot Of Hourly Data In Time Series Python

I am pretty stuck with the following problem. This is a simple script which updates CV on the websi… Read more Selenium Error: Element Not Visible (different Behaviour On Two Computers)

I am trying to match a list of lastnames to a list of full names using Python 2.7 and the Levenshte… Read more Python, Nested Loops, Matching And Performance

I am trying to find the values of parameters that solve a system of differential equations (find wh… Read more Why Is Sympy Nsolve Giving Me Different Values Than What Is Graphically Shown?