Python Courses, Training, and Tutorials

I tried reading a .doc file like - with open('file.doc', errors='ignore') as f: … Read more Reading .doc File In Python Using Antiword In Windows (also .docx)

After reading through the documentation I do not understand how does Spark running on YARN account … Read more How Does Spark Running On Yarn Account For Python Memory Usage?

I have this df: A 0 2017-04-17 00:00:00 1 2017-04-18 00:00:00 2 2017-04-19 00:00:00 3 2… Read more Pandas Convert Column To Datetime

Given this - import pandas as pd s = pd.Series(['', '1', '2', '', &… Read more Unexpected Pandas.series.replace() Behavior

When I execute the following code I get a spares matrix: import numpy as np from scipy.sparse impor… Read more Add Column To A Sparse Matrix

I am trying to index data in elastic search. following is the version and other details about elast… Read more Elastichttperror: 406, Elastic Search Error While Indexing Data

I'm working on a voting app, where the user can upload a list of email addresses for all of the… Read more Taskqueue And Non-idempotent Tasks

I am using Python- 2.7 and BeautifulSoup Apologies if I am unable to explain what exactly I want Th… Read more Is There Any Strict Findall Function In Beautifulsoup?

I have a list of of SQLAlchemy Model attributes. For example: my_list = ['firstName', '… Read more Dynamics Or Filtering With Sqlalchemy

I have a dataframe of Age and Marital_Status. The age is int and Marital_Status is string with 8 un… Read more Pandas: Groupby Return Error After Pd Cuts

I want to solve an ODE numerically in python, like y'=f(x) (with boundary condition y(0)=0). I … Read more Solving An Ode Y'=f (x) With Numerical Values Of F (x) But Without Analitical Expresion

I used How do I check which version of NumPy I'm using? to learn how to get the version of nump… Read more Different Numpy Version In Anaconda And Numpy.__version__ In Ipython Shell

I am trying to create a video from the python wrapper for OpenCV under OSX. I am using python 2.7.1… Read more Opencv Videowriter Under Osx Producing No Output

I'm working on a small project using Python Pandas and I'm stuck at the following problem: … Read more Python Pandas Select Group Where A Specific Column Contains Zeroes

Is there a way to force a Python script on GPU? In my code I use tensorflow and keras, and I have a… Read more Force Python Script On Gpu

Hey guys what's up? :) I'm trying to scrape a website with some url parameters. If I use u… Read more Remove 'urllib.error.httperror: Http Error 302:' From Urlreq(url)

I'm having a problem with Python's subprocess.Popen method. Here's a test script which… Read more Why Is Subprocess.popen Not Waiting Until The Child Process Terminates?

I have a GUI application (made with PyQt5 and QML) and would like to get notify when a usb device i… Read more Notify Qml For 'usb Device Inserted' Events Using Pyqt5 And Pyudev

My head is probably in the wrong place with this, but I want to put a variable within a variable. M… Read more Variable Within A Variable In Python (3)

Good afternoon, everyone! I have a problem with the routing my URL adress to Flask, precisely with… Read more How To Route Non-ascii Urls In Flask Python

I have some code that iterates over a string and produces a list of objects from the string, which … Read more Python Generator Vs Comprehension And Pass By Reference Vs Value

These codes provide send data via User Datagram Protocol. There are two codes at below. When I use … Read more Unreachable Ip Socket Close Time In Windows Os

I've been able to append/create a table from a Pandas dataframe using the pandas-gbq package. I… Read more How To Append To A Table In Bigquery Using Python Bigquery Api

I have the following problem. Lets say this is my CSV id f1 f2 f3 1 4 5 5 1 3 1 0 1 7 4 4 … Read more Data Processing With Adding Columns Dynamically In Python Pandas Dataframe

I have this Django cron job script (I am using kronos for that, which is great). Since I trigger t… Read more Preventing Multiple Executions

I can use the following code to get historical data from Google Finance. But the oldest is from 201… Read more Where And How To Get The Equity Historical Data (at Least Covers 2008)?

Problem I have a large (> 500e6 rows) dataset that I've put into a pytables database. Lets … Read more Finding A Duplicate In A Hdf5 Pytable With 500e6 Rows

I am going to scrape html contents on http://ntry.com/#/scores/named_ladder/main.php with Scrapy.… Read more Scraping A Website Using Scrapy And Selenium

I am just experimenting and having fun with Python 2.7 and I'm trying to write a quadratic equa… Read more Typeerror: Unsupported Operand Type(s) For ** Or Pow(): 'str' And 'int'

The main object A python streaming pipeline in which I read the input from pub/sub. After the input… Read more Google Dataflow: Insert + Update In Bigquery In A Streaming Pipeline

I am building a PyQt5 application using fbs and (following this tutorial) have placed the image fil… Read more How To Reference Resource File In Pyqt Stylesheet Using Fbs

I have two figures that I would like to plot in a subplot: fig = plt.figure() ax1 = fig.add_subplot… Read more Matplotlib - 2 Figures In Subplot - 1 Is Animation

I'm writing an application that uses the Python Gstreamer bindings to play audio, but I'm n… Read more Use (python) Gstreamer To Decode Audio (to Pcm Data)

So I am making a 'HUB' for my game, and I got my background there, but I can't display … Read more I Can't Figure Out How To Put Buttons On Top Off My Background Picture, I've Tried Many Forums, But None Off The Answers Worked

For test purposes, I want to connect a USB device and want to check what is the speed (HS/FS/LS). I… Read more Get Usb Device Address Through Python

I am using this code to remove the lines from the following image: I don't know the reason, bu… Read more Getting Division By Zero Error With Python And Opencv

I have two vectors of points, x and y, shaped (n, p) and (m, p) respectively. As an example: x = np… Read more Compute Matrix Of Pairwise Angles Between Two Arrays Of Points

I want to use aioredis connection pool ,not create new connection in every AsyncWebsocketConsumer.c… Read more I Want To Use Aioredis Connection Pool ,not Create New Connection In Every Asyncwebsocketconsumer.connect .where Can I Put The Code

I am implementing a paper in Python, which was originally implemented in MATLAB. The paper says tha… Read more Surface Plot For Multivariate 5 Degree Polynomial Regression In Python

I have a text corpus with say 5 documents, every document is separated with each other by /n. I wan… Read more Converting A Text Corpus To A Text Document With Vocabulary_id And Respective Tfidf Score

I'm trying to parse JSON, below is my code. import requests import json yatoken = '123123sd… Read more Typeerror: String Indices Must Be Integers While Parsing Json, Python?

I'm trying to restart an optimisation in pymoo. I have a problem defined as: class myOptProb(Pr… Read more Restarting An Optimisation With Pymoo

I want to replace values within a range of columns in a dataframe with a corresponding value in ano… Read more How To Replace Values In A Range In A Pandas Dataframe With Another Value In The Same Dataframe Based On A Condition

For example my py script already has one instance running and when I fire another instance with arg… Read more Python - Disable Multiple Py Script Instances And Pass Their Args To Main Instance

I have a dictionary with strings as keys and sets as values. These sets contain integers, which may… Read more Efficient Way To Modify A Dictionary While Comparing Its Items

This code works, but I wonder if there is any simpler way: def center(self): qr = self.frameGeo… Read more How To Make A Widget In The Center Of The Screen In Pyside/pyqt?

I am writing a program that reads a 2D list from a .txt file, and I'm trying to loop through th… Read more Using A For Loop To Print Each Item Of A List From An External File In Python

I am trying to iterate through rows of a Pandas df to get data from one column of the row, and usin… Read more Iterate Through Df Rows Faster

I'm beginner in python(and also on kivy). I started to learning kivy(maybe kivymd) 4days ago. I… Read more How To Update Mdlabel's Text On Button Click In Kivy

I'm building a web application where I have 2 sets of users (students and teachers). Teachers s… Read more Two Sets Of Users (teacher And Student) In Django Authentication

By default Tkinter still uses the old Windows 2000-style widgets (random example): but I want it t… Read more How To Use The "native" Gui Look With Tkinter?

Is there a way to detect current keyboard layout in Tkinter? It is necessary to process keyboard ac… Read more Tkinter Determine Keyboard Layout

I am trying to make a webscraping bot that logs into https://adelbert.magister.net/ so that I can s… Read more Mechanicalsoup Is Not Redirecting To Where It Should Redirect To

I am in the process of writing a Python script, that I will want to run automatically, say every ev… Read more Schedule A Python Script To Run On Webserver

When using this code for i in range(len(data)): if Ycoord >= Y_west and Xcoord == X_west: … Read more Value Error, Truth Error, Ambiguous Error

I am trying to make my enemy bullets attack the player but its attacking way to fast I dont know wh… Read more Enemy Projectiles Attack Way To Fast Problem

I want to write a function that tells me whether a given list is a min heap. What I have written s… Read more Is Min Heap Function

So, leading on from my prior issue [found here][1], I'm attempting to parse a JSON file that I&… Read more Unable To Parse Json File, Keep Getting Valueerror: Extra Data

I am trying to convert string date to timestamp in Python as described in the post here. When I run… Read more Converting String Date To Timestamp In Python 3.4

I am trying to install Wand for Python 3, which for me is accessed through my Cygwin installation. … Read more Python Wand Missing Libraries/paths