Python Development

as my first project in Django I am creating a todo app, that lets people log in and see their own t… Read more Get_user_model Doesn't Return A Value

I have two large square matrices ( in two CSV files). The two matrices may have a few different lab… Read more Add Matrices With Different Labels And Different Dimensions

Background I have am using pytest to test a web scraper that pushes the data to a database. The cla… Read more Python - Using Pytest To Skip Test Unless Specified

Try this: import numpy as np np.arange(0,3*0.1,0.1) Output will be: array([ 0. , 0.1, 0.2, … Read more Np.arange Does Not Work As Expected With Floating Point Arguments

I have a dataframe with let's say 2 columns: dates and doubles 2017-05-01 2.5 2017-05-02 … Read more Groupby Certain Number Of Rows Pandas

I have a list of dictionaries of clients in a format like this: dict_list = [{'Name of Business… Read more Checkbox To Determine If An Action Is Completed Or Not

I am encountering an issue regarding the sorting my features by their value. I would like to see my… Read more Sort Bar Chart By List Values In Matplotlib

How is it that you would create a tensorflow vector from a tensorflow constant/variable etc? For ex… Read more How To Create A Vector From A Constant In Tensorflow

I'm making a program that Identifies if a blank tile exists or not. I already have a code in my… Read more How Do I Replace A Specific String In A 2d Array?

I want to solve the following optimization problem with Python: I have a black box function f with … Read more How To Effectively Solve A Compound Cost Function Optimisation Problem?

I'm doing image comparisons and calculating diff's and have noticed that element-wise subtr… Read more Why Is The Output Of Element-wise Addition/subtraction Different Depending On Whether My Numpy Array Is Of Type Int64 Or Uint8?

Can you reset iterators? Or is there a way to save the next element without iterating through it? S… Read more Python Iterator: Reset Iterator?

The following code shows one way that works and the other that fails. The BatchNorm on axis=0 shoul… Read more Keras Batchnormalization Only Works For Constant Batch Dim When Axis=0?

I am trying to build a small flask web app that displays a job application built from an HTML form … Read more Fill Out "fillable Pdf" With Html Form "post" Data Using Python?

I'm trying to debug a Python CLI I wrote that can take its arguments from stdin. A simple test … Read more How To Debug Python Cli That Takes Stdin?

I have a dataframe that contains a column containing something element. In a flask application, I… Read more Passing Html Element Using To_html In Flask

I am new to tensorflow and I am building a network but failing to compute/apply the gradients for i… Read more Tensorflow: No Gradients Provided For Any Variable

I got a custom command in my reusable django app which I want to kick off a daemonized service and … Read more Kick Off Daemonized Service Using Djangos Manage.py Custom Command?

I'm using keras with tensorflow backend. My goal is to query the batchsize of the current batch… Read more How To Iterate Through Tensors In Custom Loss Function?

Im trying to get info from strings that I have parsed. Im trying to get the font size. This is the … Read more Python Get Info From Long Complicated String

I want to ask a question When I use css selector,extract() will make the output thing a list So if… Read more Scrapy : Another Method To Avoid A Lot Of Try Except

I have a Django app where users upload photos and descriptions. Here's a typical model which fa… Read more How To Use Azure's Blobservice Object To Upload A File Associated To A Django Model

There are already some questions touching this but no one seems to actually solve it. import pydoc … Read more Pydoc.render_doc() Adds Characters - How To Avoid That?

I searched a lot and did not find any answer to this problem =( I have a CentOS 5 as a server, foll… Read more Python Using Easy_install Importerror: No Module Named _md5

First I create a simple table import threading from sqlalchemy import create_engine from sqlalchemy… Read more Sqlalchemy Connection Pool On Multiple Threads

I've already installed the pygame(1.9.1 v). Here is my code: # 1 - Import library import pygame… Read more 'pygame' Is Not Defined

I am working on google colab as it a part of my school project. But I got stuck on a problem. So, I… Read more Refresh Results In Google Colaboratory As The Page Loads

I have following DataFrame product count Id … Read more Dataframe Columns To Key Value Dictionary Pair

I have written some code to place dots all around the screen randomly; however, it does not cover t… Read more Turtle.screen().screensize() Not Outputting The Right Screensize

When I tried this in terminal >>> (-3.66/26.32)**0.2 I got the following error Traceback … Read more Valueerror: Negative Number Cannot Be Raised To A Fractional Power

I have a Flask script which creates a website and prints some data dynamically. - The data which it… Read more How Can I Run A Python Script From Within Flask

I tried to create a function using which I want to do mathematical operations like (Addition and Mu… Read more Addition Function In Python Is Not Working As Expected

I have Eclipse with Pydev and RSE installed on my local Windows machine. I want to remote debug a P… Read more Remote Debugging Python In Eclipse

We have a python script + associated modules on a network drive. We are running this script simulta… Read more Running A Python Script Concurrently Over The Network. Is This Ok?

import win32com.client import os outlook = win32com.client.Dispatch('Outlook.Application'… Read more Com Error In Downloading Attachment From Outlook Through Win32com

I've recently been playing around with python and have now expanded into doing stuff like scrap… Read more How To Add/use Libraries In Python (3.5.1)

This code is given in python official essays on graph theory. Here's the code: def find_all_pat… Read more Does This Python Code Employs Depth First Search (dfs) For Finding All Paths?

I'm trying to begin developing a skill for alexa using flask-ask and ngrok in python. Following… Read more Alexa Skill Development Using Flask-ask And Ngrok

I have a data frame consists of column 1 i.e event and column 2 is Datetime: Sample data Event … Read more How To Find The Start Time And End Time Of An Event In Python?

I have a many to many field and a foreign key field on a model form. It appears to be making the ri… Read more Django Model Form Many To Many Field Is Not Displaying Value

I have a strange problem, with matplotlib. If I run this program, I'm able to open and close se… Read more Matplotlib Show() Doesn't Work Twice

I am using python format method to align East Asian Wide (EAW) characters in my terminal display. T… Read more Alignment Of Wide East Asian Characters With Format Function

I have a dataframe with about 100 columns that looks like this: Id Economics-1 English-107 En… Read more Sum Values Of Columns Starting With The Same String In Pandas Dataframe

This one has had me stumped for a couple of days now and I believe I've finally narrowed it dow… Read more Python Link To File Iterator Not Iterating

Basically, I want to print out a string of values in a single line, in Python2 a statement like thi… Read more "print X," Equivalent In Python3

I am writing a program in Python which must communicate through SSH with a physical target, and sen… Read more Execute Multiple Dependent Commands Individually With Paramiko And Find Out When Each Command Finishes

My python code looks like this: def test(): pipe = sp.Popen( ['test.sh'], stdin=sp.PIPE… Read more Why Is Data Missing When I Write To A Python Subprocess Stdin Pipe?

I have a django model which is basically a group called Contexts.It contains some fields like name,… Read more How To Store An Array Of Users In Django?

community, I have a list, that consists of different strings (sentences, words...) I would like to … Read more How To Transform Elements Of A List Into One String?

I'm a student doing a computer science course and for part of the assessment we have to write a… Read more How Can I Limit The Amount Of Digits In An Input?

I have a set of similar images like the one below. I want to keep the portion of the image that is … Read more How To Crop An Image Based On A Complex Criteria?

I've been trying to get this to work using google all day to no avail. python works fine in a c… Read more Windows10 User Cannot Run Python, Only Admin

i created zip files into the blobstore in GAE,then i tried to get(download)this zip file using this… Read more Send_blob In Gae

I have the following dataframe import pandas as pd df = pd.DataFrame({'id':[1,2,3,4,5,6], &… Read more How To Dcast In Pandas With More Than One Columns For Columns Argument

OK. I'm tired of googling and reading throught lots of documentation with no results. My aim is… Read more Pixelwise Drawing In Pyglet (python)

I read several ZODB tutorials but here is one thing I still don't get: How do you free memory t… Read more How To Do Proper Memory Management With Zodb?

I have a model in my django app like below: models.py class Profit(models.Model): client = mode… Read more Django: How To Access The Previous Model Class Instances While Creating New Instance Of The Same Class?

I am using python logging module. I am initialising file having following data def initialize_logge… Read more Logging Issues With Python Logging Module

I have a column of string objects in a pandas dataframe. I'd like to change them to the a less … Read more Edit Type Of Column To Fixed Width String (within Existing Pandas Dataframe)

I have a working example of code that creates a QThread that must be called from my on class (MyCla… Read more How Can I Pass Arguments To Qthread Worker Class?

Sorry if this is a duplicate question, but I couldn't find any substantial info on my concern. … Read more What Can Be The Maximum "post" Size I Can Have?

I am trying to recreating the classic pyLDAvis visualization for topic modelling in Altair. I'v… Read more Recreating The Pyldavis Chart In Altair - Filtered Data With Empty Selection

Im trying to translate user comments from tripadvisor. So the scraper reads the link, then one by o… Read more Click Iteration Fails In Selenium

I'm trying to install Scikit-Learn on a 64-bit Red Hat Enterprise 6.6 server on which I don'… Read more Undefined Symbols In Scipy And Scikit-learn On Redhat

I'm trying to click on the Locations dropdown in LinkedIn. You'll reach this section of the… Read more Unable To Select The Linkedin 'locations' Button Using Python Selenium

I have the following code for a Sanic hello world based off combining different endpoints here: ht… Read more How To Have Sanic Respond With Http And Ws?

I am pretty desperate, since I have tried to get this working in a long time. I'm making a text… Read more Pickle User Inputs - Python 3