Python Manual

Suppose I have a column vector y with length n, and I have a matrix X of size n*m. I want to check … Read more Numpy Element-wise In Operation

so I need to sort some high scores into order and here is the code I already have: def sortscores()… Read more Keeping Name And Score Together While Sorting

I am trying to run a *.py file as a background service in Jupiter notebook. from IPython.lib import… Read more Launching A Python Script As A Background Job On Jupyter

The following program simulates a traffic light system with some buttons. The buttons appear correc… Read more Python Function Calls The Wrong Method/target

I have the following scemantic. An alert can have a status change and only one. A status change can… Read more Does Sqlalchemy Really Have One To One Relationships

I have a project with Python, PyGObject (Gtk 3), and GStreamer (0.11) I have video in my applicatio… Read more Cannot Overlay Over Gstreamer Video With Gtk.overlay

First suppose we have a dataframe below: import pandas as pd data = pd.DataFrame({'id':[… Read more Pandas - Find Rows With Matching Values In Two Columns And Multiply Value In Another Column

I have trained NER model for names data. I generated some random sentences which contain names of t… Read more Is 100 Training Examples Sufficient For Training Custom Ner Using Spacy?

Background: A GUI table having a 'skip combobox' widget allowing user to skip current line… Read more Python-tkinter,combobox - Passing 2 Parameters Using Lambda Function

I am trying to output a XML file using Python and lxml However, I notice one thing that if a tag ha… Read more Close A Tag With No Text In Lxml

I have the following class: class Sections(BasePage): CHOOSE_SECTION_SEL = (By.XPATH, '//*… Read more Variable In Xpath In Python Selenium When Calling Class And Function

I am simply trying to write to a csv. However I have two separate for-statements, therefore the dat… Read more Python: Scrapy Csv Exports Incorrectly?

I'm building a desktop flutter application on Linux and I'm having some problems with webso… Read more Flutter Websockets Linux

I'm getting into Flask and building out an app that uses Flask SQLAlchemy. I've created a b… Read more How To Avoid Circular Imports In A Flask App With Flask Sqlalchemy Models?

I am trying to catch the access denied errors while accessing mysql database using sqlalchemy, I ca… Read more How To Catch Access Denied Errors While Using Sqlalchemy Library?

I have a problem where i have a list of dictionaries with for example the following data: columns =… Read more Create Table From Dictionary Data In A Safe Way

I am trying to store about 3000 numpy arrays using HDF5 data format. Arrays vary in length from 530… Read more Saving With H5py Arrays Of Different Sizes

I would like to convert a 2D np.array of np.arrays into a 3D np.array. I have a 2D numpy array (A) … Read more Convert 2d Numpy Array Of Arrays To 3d Array

I found this piece of code, but it doesn't run anymore with Windows 10 and Python 3.7.1: import… Read more Create Shortcut Files In Windows 10 Using Python 3.7.1

I am working with my Raspberry Pi and I am writing a cgi python script that creates a webpage to co… Read more /dev/mem Access Denied On Raspberry Pi

I simulated some Dymola Models via the python interface (result files are dsres.mat and dsres.txt),… Read more How Can I Analyse The Results Of A Dymolasimulation (simulated Via Python Interface)

I am trying to develop a script in Python which would function like the NetDisturb utility. Some of… Read more Netdisturb Using Python

I am attempting to implement a flask application for uploading files. This file could be very large… Read more Large File Upload In Flask

I'm trying to click the 'Launch Earth' button with this block of code. from selenium im… Read more Why Isn't The 'chromedriver' Executable In The Path Even After Using Chromedrivermanager Through Selenium And Python

I am using the pypyodbc library to establish a connection to a SQL Server 2008 R2 database and ever… Read more Incorrect Syntax Near Go With Pypyodbc

Using the following code I was able to convert characters to bits: msg= bitarray(endian='little… Read more Byte To Character Transformation In Python

I'm trying to perform Monte Carlo Simulations using quasi-random standard normal numbers. I und… Read more Monte Carlo Simulations In Python Using Quasi Random Standard Normal Numbers Using Sobol Sequences Gives Erroneous Values

I am making a game (RPG) in PyOpenGL which I have a crosshair. I want to check if a 3d object is in… Read more How To Test If A 2d Point In Pygame Screen Is Part Of A 3d Object In Pyopengl?

I have a list of stems in NLTK/python and want to get the possible words that create that stem. Is … Read more Is There A Way To Reverse Stem In Python Nltk?

I'm trying to decide which one to use when I need to acquire lines of input from STDIN, so I wo… Read more Sys.stdin.readline() And Input(): Which One Is Faster When Reading Lines Of Input, And Why?

import easygui flavour = easygui.enterbox('What is your favourite ice cream flavour?') ea… Read more Easygui.msgbox ('you Entered ' + Flavour) Typeerror: Must Be Str, Not Nonetype

I am new to Cython and have very little experience with C so bear with me. I want to store a fixed… Read more Fixed-size Sequence Of Bytestrings In Cython

How do I get python to run sudo openvpn --cd /etc/openvpn --config client.ovpn I'm trying the f… Read more Using Os.system In Python To Run Program With Parameters

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

I have spyderlib installed on my MacOS X (10.6.8) using the official dmg file. In parallel, I have … Read more How To Get Spyder's Python Recognize External Packages On Macos X?

I am trying to make a cookbook out of some Python snippets using Sphinx. Each snippet is a self-con… Read more Make Viewcode Show Module Sources

I'm trying to classify sveveral text data into 3 categories using sklearn. But I'm getting … Read more Python Sklearn Pipiline Fit: "attributeerror: Lower Not Found"

Situation: I have a requirement to use connection pooling while connecting to Oracle database in p… Read more Application Vs Database Resident Connection Pool

I am facing circulation error while migrating my app. when i run this: (virEnv)abc@abc-All-Series:~… Read more Django Django.db.migrations.graph.circulardependencyerror

How to convert NumPy datetime64 to a long ineteger and back? import numpy as np import datetime np… Read more Converting Numpy Datetime64 To Long Integer And Back

I am trying to map a dictionary with one key that has multiple values into python. Here is what I g… Read more Mapping Dictonary A Key With Multiple Values To Json In Python

I have a 3D matrix of shape (100,50,50), e.g. import numpy as np data = np.random.random(100,50,50)… Read more Animate A 3d Matrix With Matplotlib In Jupyter Notebook

I am trying to compile my project to an .exe file. I've read around the internet that cx_freeze… Read more Cx_freeze Building A Project To An .exe File, Getting Numpy Import Errors

how would I print something like that in python? This is what I could do until now: for i in range… Read more How To Print In Range?

I am using Apache spark in batch mode. I have set up an entire pipeline that transforms text into T… Read more 'sparksession' Object Has No Attribute 'serializer' When Evaluating A Classifier In Pyspark

After installing python 3.7 from python.org, running the Install Certificate.command resulted in th… Read more Macos High Sierra 10.13.6, Python3.7 Installation Install Certificate.command Results In Sslerror

I am trying to make a 'guess the number' game with Pyhon tkinter but so far I have not been… Read more Get Input In Python Tkinter Entry When Button Pressed

Developing a django app with frontend react and serving the react build files with django. project … Read more Django + React The Resource Was Blocked Due To Mime Type (“text/html”) Mismatch (x-content-type-options: Nosniff)

Can anybody help(or point to some examples) about how to encrypt files with python? I have to use f… Read more Python: How To Encrypt A File?