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Showing posts from June, 2023

Nulls, Instead Of Nones, In Json Data With Python

I'm working with the following data: [{'title': null, 'metric1': 361429, 'm… Read more Nulls, Instead Of Nones, In Json Data With Python

How Do I Fix This Elastic Beanstalk Error When Deploying A Flask App: Python 3.7.0 Was Not Found On Your System

I am trying to deploy my Flask app using the EB CLI following this official AWS tutorial. I receive… Read more How Do I Fix This Elastic Beanstalk Error When Deploying A Flask App: Python 3.7.0 Was Not Found On Your System

"500 Internal Server Error" Received When Trying To Create A .cgi Application From A Flask Application

I have created the following Flask application in python (named simpleflask.py), using the code bel… Read more "500 Internal Server Error" Received When Trying To Create A .cgi Application From A Flask Application

Canvas.restore_region() Not Working

I was trying to follow the instructions on: http://wiki.scipy.org/Cookbook/Matplotlib/Animations W… Read more Canvas.restore_region() Not Working

Imagemagick Bash Command From Python Script

So I have this command: PS C:\Users\lucas\OneDrive\Documents\3D\OpenRCT2\HotdogCycles> magick.ex… Read more Imagemagick Bash Command From Python Script

Extract Just Email Headers In Python

I'm having some issues trying to extract all the email headers in python. I know how to get the… Read more Extract Just Email Headers In Python

Pipelining Post Requests With Python-requests

Assuming that I can verify that a bunch of POST requests are in fact logically independent, how can… Read more Pipelining Post Requests With Python-requests

Cartopy Coastlines Hidden By Inset_axes Use Of Axes.pie

I am producing a map of the world with pie charts in individual model grid boxes. I make the map an… Read more Cartopy Coastlines Hidden By Inset_axes Use Of Axes.pie

Unable To Access Windows Controls Inside Pywinauto's Hwndwrapper (wrapper Class

I am new to python and pywinauto. Trying to set or get Text for TextBox (windows control) inside py… Read more Unable To Access Windows Controls Inside Pywinauto's Hwndwrapper (wrapper Class

Variable Scope In For-loop And While-loop

I'm new in PHP, I don't understand why the final result of the code below is '233' … Read more Variable Scope In For-loop And While-loop

Django Image Field Throws Typeerror

I'm writing a simple website using django to display some pictures. In my models, I've defi… Read more Django Image Field Throws Typeerror

Django Templates Urls Not Updating

I have been changing some of my views templates urls lately, and switched from: (r'^(?P [^\.]+… Read more Django Templates Urls Not Updating

Sqlalchemy @property Causes 'unknown Field' Error In Marshmallow With Dump_only

I'm using flask-marshmallow (marshmallow=v3.0.0rc1, flask-marshmallow=0.9.0) and flask-sqlalche… Read more Sqlalchemy @property Causes 'unknown Field' Error In Marshmallow With Dump_only

Connecting To Postgresql Using Pyodbc

I have a PostgreSQL running on localhost. I have psqlODBC Driver installed. Now when I try to conne… Read more Connecting To Postgresql Using Pyodbc

Parsing Huge, Badly Encoded Xml Files In Python

I have been working on code that parses external XML-files. Some of these files are huge, up to gig… Read more Parsing Huge, Badly Encoded Xml Files In Python

Creating A Mouse Over Text Box In Tkinter

I'm trying to implement system where when the user points to an object, a text box appears with… Read more Creating A Mouse Over Text Box In Tkinter

Iterate Over Index And Define Each Range As A Day

my last question didn't find any help/answer and I found another approach and I wanted to know … Read more Iterate Over Index And Define Each Range As A Day

Towers Of Hanoi Python - Understanding Recursion

I'm completely new to Python and I am currently going over a tutorial about The Towers of Hanoi… Read more Towers Of Hanoi Python - Understanding Recursion

How To Convert Save_base64 To Image In Python

I use code as below to download Image with query string, it is no any problems. urlServer = 'ht… Read more How To Convert Save_base64 To Image In Python

Kivy Doesn't Play Sound File The First Time Play() Is Called

I run a simple Kivy app on Windows. A button executes following method from the Kivy docs (link) wh… Read more Kivy Doesn't Play Sound File The First Time Play() Is Called

Compare Columns Of Numpy Matrix With Array

I have a numpy matrix and want to compare every columns to a given array, like: M = np.array([1,2,3… Read more Compare Columns Of Numpy Matrix With Array

Arrows In Polar Matplotlib Plot

I am trying to plot the phasors of the voltage across the resistor, capacitor, and inductor in an s… Read more Arrows In Polar Matplotlib Plot

How To Read Specific Lines Of A Large Csv File

I am trying to read some specific rows of a large csv file, and I don't want to load the whole … Read more How To Read Specific Lines Of A Large Csv File

Batch Run Autolisp With Python

I want to run an autoLISP on multiple CAD files (e.g. all files in a folder). Basically, open file … Read more Batch Run Autolisp With Python

Attributeerror: 'module' Object Has No Attribute 'request'

When I run the following code in Python 3.3: import urllib tempfile = urllib.request.urlopen('h… Read more Attributeerror: 'module' Object Has No Attribute 'request'

Using Non-hashable Python Objects As Keys In Dictionaries

Python doesn't allow non-hashable objects to be used as keys in other dictionaries. As pointed … Read more Using Non-hashable Python Objects As Keys In Dictionaries

How To Use .p12 Certificate To Authenticate Rest Api

I have received a certificate.p12 with username and password. While I am able to use Rest Client fo… Read more How To Use .p12 Certificate To Authenticate Rest Api

Python - Is It Possible To Convert A String And Put It Into A List [] Containing Tuple ()?

For example, these two are the strings and they are separated by tabs. 2012-01-01 09:00 San Jose … Read more Python - Is It Possible To Convert A String And Put It Into A List [] Containing Tuple ()?

Optimal Feature Selection Technique After Pca?

I'm implementing a classification task with binary outcome using RandomForestClassifier and I k… Read more Optimal Feature Selection Technique After Pca?

Matplotlib: Secondary Axis With Values Mapped From Primary Axis

I have a graph showing x4 vs y: y is the log of some other variable, say q (i.e. y = log(q) ) the… Read more Matplotlib: Secondary Axis With Values Mapped From Primary Axis

Cannot Parse The Date In Python

I need to parse date and time. Here is what I've got: import time a = time.strptime('Apr 28… Read more Cannot Parse The Date In Python

Undefined Symbols In Scipy And Scikit-learn On Redhat

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

Python: Easy Way To Modify Array In Parallel

The question might sound easy, but being new to parallelization in Python I am definitely strugglin… Read more Python: Easy Way To Modify Array In Parallel

Importing Matplotlib.pyplot In Atom Editor

I am using pyzo to run my python scripts. However I felt the need to switch over to the Atom code e… Read more Importing Matplotlib.pyplot In Atom Editor

Using Numpy.rate, On Numpy Array Returns Nan's Unexpectedly

I'm using np.rate function to calculate simple growth rates. I'm trying to use vector opera… Read more Using Numpy.rate, On Numpy Array Returns Nan's Unexpectedly

How To Plot Roc And Calculate Auc For Binary Classifier With No Probabilities (svm)?

I have some SVM classifier (LinearSVC) outputting final classifications for every sample in the tes… Read more How To Plot Roc And Calculate Auc For Binary Classifier With No Probabilities (svm)?

Implementing A Custom String Method

How do you add a custom method to a built-in python datatype? For example, I'd like to impleme… Read more Implementing A Custom String Method

Call-by-reference Function Parameters

Given a function: def A(a, b, c): a *= 2 b *= 4 c *= 8 return a+b+c How can I set … Read more Call-by-reference Function Parameters

Integer From Tuple, Divided, Yields Integer Instead Of Float?

In the code below, abc = (1,2,3) a = abc[0] b = abc[1] c = abc[2] print('%d, %d, %d' %(a,… Read more Integer From Tuple, Divided, Yields Integer Instead Of Float?

Scrapy Spider Not Returning Any Results

This is my first attempt to create a spider, kindly spare me if I have not done it properly. Here i… Read more Scrapy Spider Not Returning Any Results

Remove The Word "module" From Sphinx Documentation

Using Sphinx for documenting my Python project. I want to remove the word 'module' which fo… Read more Remove The Word "module" From Sphinx Documentation

Generate A Random Number According To A Specific Distribution With A Function

I am trying to generate a random number in Python according to a precise distribution that I define… Read more Generate A Random Number According To A Specific Distribution With A Function

How To Navigate To New Browser Window Using Partial Title Text Using Either Python, Or Javascript Or Robot Framework And Selenium

During my tests, we need to click on links that open webpages in new tab. In some cases, we see the… Read more How To Navigate To New Browser Window Using Partial Title Text Using Either Python, Or Javascript Or Robot Framework And Selenium

What's Causing This Variable Referenced Before Assignment Error?

This is the code that I am working with: import pygame global lead_x global lead_y global lead_x_c… Read more What's Causing This Variable Referenced Before Assignment Error?

How To Use Pytorch To Calculate Partial Derivatives?

I want to use PyTorch to get the partial derivatives between output and input. Suppose I have a fun… Read more How To Use Pytorch To Calculate Partial Derivatives?

Positions Of Spines In Matplotlib

I have a plot: but I would like the ticks to be at the zero axes (as in a normal graph...). I hav… Read more Positions Of Spines In Matplotlib

Trouble Getting Cv.transform To Work

I'd like to use the same affine matrix M on some individual (x,y) points as I use on images wit… Read more Trouble Getting Cv.transform To Work

Load Multiple Json Zip File From Gcs To Bigquery Using Dataflow Pipeline (python)

I am completely new to Dataflow and naïve programmer. I am looking for help in designing a dataflow… Read more Load Multiple Json Zip File From Gcs To Bigquery Using Dataflow Pipeline (python)

How Can I Use Tensorflow Without Cuda On Linux?

I have two computers without CUDA: one runs on Microsoft Windows, the other one runs on Linux (Ubun… Read more How Can I Use Tensorflow Without Cuda On Linux?

Silencing Cherrypy

I have a cherrypy server distributing xml files to webpages. While my server runs, cherrypy offers … Read more Silencing Cherrypy

How To Fix 'java.lang.module.findexception: Module Java.se.ee Not Found' Error When Packaging My Kivy Application With Buildozer

I'm trying package my kivy app (python3) but when i run the command buildozer -v android debug … Read more How To Fix 'java.lang.module.findexception: Module Java.se.ee Not Found' Error When Packaging My Kivy Application With Buildozer

Draw On Python Tkinter Canvas Using Mouse And Obtain Points To A List?

I'm working on a Python application using tkinter. What I want to do is to draw on canvas coord… Read more Draw On Python Tkinter Canvas Using Mouse And Obtain Points To A List?

Python Multiple Telnet Sessions

I need to build a script to get the telnet output of as many hosts as possible and save them to a s… Read more Python Multiple Telnet Sessions

How To Fix Beautifulsoup Ssl Certificate_verify_failed Error

Code: import requests from bs4 import BeautifulSoup from urllib.request import Request, urlopen … Read more How To Fix Beautifulsoup Ssl Certificate_verify_failed Error

Python Chainable Class Methods

I want to do the following: pattern = cl().a().b('test').c() where cl is a class and a, b,… Read more Python Chainable Class Methods

Getting Object Name And Function Name

It is actually 2 questions. 1) Is there a generic way to get the class name of an instance, so if … Read more Getting Object Name And Function Name

Repeat Ndarray N Times

I have a numpy.ndarray with True/False: import numpy as np a = np.array([True, True, False]) I… Read more Repeat Ndarray N Times

Detail Attributeerror: 'module' Object Has No Attribute 'workbook'

I keep getting the Detail AttributeError: 'module' object has no attribute 'workbook… Read more Detail Attributeerror: 'module' Object Has No Attribute 'workbook'

Method Not Allowed The Method Is Not Allowed For The Requested Url. 405 Error

I am new to building API. I am building a very Simple API: When executed, The HTML page displaying … Read more Method Not Allowed The Method Is Not Allowed For The Requested Url. 405 Error

Graphics Folder Modules Will Not Import After Several Installs (mac Osx)

A similar problem with the python gdal module Gdal will not import after several installs (Mac OSX)… Read more Graphics Folder Modules Will Not Import After Several Installs (mac Osx)

Encrypting A Columnar Transposition Cipher

I'm trying to figure out how to encrypt a columnar transposition cipher in Python given a plain… Read more Encrypting A Columnar Transposition Cipher

Nameerror: Name 'classifier' Is Not Defined

I am new to machine learning. I was trying to predict on a dataset but when I run the program it gi… Read more Nameerror: Name 'classifier' Is Not Defined

Conversion Between Json And Dataframe Using Python

I have the following code: responsedata = requests.get(url, data=data, headers=hed, verify=False) s… Read more Conversion Between Json And Dataframe Using Python

Installing Platform-specific Dependencies Through Pip

I'm using LDTP in my tests and it comes as two different packages for two different platforms: … Read more Installing Platform-specific Dependencies Through Pip

Videoio Error: V4l: Can't Find Camera Device

I am using ubuntu16.04 and trying to run opencv script. when i use: video_capture = cv2.VideoCaptur… Read more Videoio Error: V4l: Can't Find Camera Device

Python Fabric Respond To Prompts In Output

I have two problems I am trying to solve with fabric for python. I'd like to auto-enter the pa… Read more Python Fabric Respond To Prompts In Output

Installing Error Of Shapely And Gdal On Pydroid

Pydroid is a good app for beginners and others for running python on android. I could install many … Read more Installing Error Of Shapely And Gdal On Pydroid