Free Interactive Python Tutorial

This takes over an hour to render this mandelbrot set with only 100 iteration and has taken 10 hour… Read more How Can I Make This Fractal Render Faster In Zelle Graphics?

Pygame 1.x has a movie module which makes playing movies pretty straightforward. The internet is fu… Read more Playing Videos In Pygame 2

I am making a game at the moment and I am experiencing problems with collision detection. I am maki… Read more Collision Detection Not Working In Pygame

I am trying to run Selenium test in Python on Linux Ubuntu environment. Geckodriver is located in m… Read more Python Selenium Test Does Not Run When Using Absolute Path To Firefox Geckodriver

The code below calculates the Compounding values starting from $100 and the percentage gains gains.… Read more Getting The Minimum Value By Using Lambda Through Numpy Array Python

I have been trying to get this to work for a while now, but still not finding a way. I am trying to… Read more If Y>0.0 And X -y>=-q1: Valueerror: The Truth Value Of An Array With More Than One Element Is Ambiguous. Use A.any() Or A.all()

I am trying to install the xlrd module on my Mac, however when I open IDLE and import the xlrd modu… Read more Python 3.4 Pip Install

I developed a python program that does heavy numerical calculations. I run it on a linux machine wi… Read more High Kernel Cpu When Running Multiple Python Programs

Iam newbie in python. I have huge a dataframe with millions of rows and id. my data looks like this… Read more Get Only The First And Last Rows Of Each Group With Pandas

With the python openstack SDK, you can download an image, chunk by chunk, which allowed me to show … Read more Python Openstack Sdk Show File Upload Via Progress Bar

I have several thousands HTML sites and I am trying to filter the text from these sites. I am doin… Read more Is It Possible To Just Get The Tags Without A Class Or Id With Beautifulsoup?

Consider the html in the page variable. How do I access the tds ? I want to access them like xpath… Read more Xpath - Html With A Lot Of Children

I have a code base that runs unchanged in Python 2.7 and 3.2+. But the doctests in the documentatio… Read more Python Doctests And Unicode

I'm having trouble with this problem that simply return True of False if a number n, is a palin… Read more Check If A Number Is A Palindrome Without Changing It Into String

I can't figure out what kind of object a sqlalchemy query returns. entries = session.query(Foo.… Read more Type Hinting Sqlalchemy Query Result

How can I execute very simple Python-Code in Emacs' Org Mode? The first example works fine, how… Read more Emacs Org Mode: Executing Simple Python Code

In python, is there a way to prevent adding new class variables after defining the object? For exam… Read more In Python, Count The Number Of Variables In A Class Or Prevent Adding New Class Variables

I want to write a program which finds palindromes (words which are the same from start to end and e… Read more Regular Expression For Finding Palindromes Behaving Strange

import re import spacy import nltk from nltk.corpus import stopwords stop = stopwords.words('en… Read more Extract The Name Of Candidate From Text File Using Python And Nltk

It looks like I'm missing something. When using Jython to run my Python code in Java, Java byte… Read more Running Jython Bytecode Using Java

If I try to rename files in a directory, for some reason I get an error. I think the problem may be… Read more Renaming Files In Python: No Such File Or Directory

I am new to python and nifi. My flow is GetFile-->ExecuteScript In the script, for each json,i w… Read more Access Json Element And Write To A Text File Using Python Executescript Processor

I am trying to load a csv file from the following URL into a dataframe using Python 3.5 and Pandas:… Read more Using Pandas To Download/load Zipped Csv File From Url

I tried the following on Codecademy's Python lesson hobbies = [] # Add your code below! for i … Read more Why Does Python 2's Raw_input Output Unicode Strings?

I want to replace a word in a string with another word. Ex. replaceWord('cool','awesome… Read more How To Use .replace In Python?

I am trying to make a GET request to a server to retrieve a tiff image. I then want to stream it di… Read more Is There A Way To Stream Data Directly From Python Request To Minio Bucket

I'm using Tornado to send requests in rapid, periodic succession (every 0.1s or even 0.01s) to … Read more Why Do Long Http Round Trip-times Stall My Tornado Asynchttpclient?

title_list = [['determined', 'by', 'saturation', 'transfer', '3… Read more Indexerror: List Index Out Of Range And Python(with Array 2d)

Hey I am looking to build a code in python which will recognise what i speak through the micrphone … Read more Speech Processing Library In Python For Speech To Text

I have a csv file with the following structure: 'txNomeParlamentar';'ideCadastro';&… Read more Formatting Csv File With Python

I am trying to run a Flask REST service on CentOS Apache2 using WSGI. The REST service requires a v… Read more Python Sqlite3 Operationalerror: Attempt To Write A Readonly Database

I need to print a sequence of odd numbers in increasing order. I can solve it only in decreasing or… Read more How To Print Odd Numbers In Increasing Order?

My system is macOS 10.13.1 I was try import pycurl is error ImportError: pycurl: libcurl link-time … Read more Libcurl Link-time Ssl Backend (openssl) Is Different From Compile-time Ssl Backend (none/other)

def some_func(a): def access_a(): print(a) access_a() outputs the value of a. How… Read more Nested Function Change Variable In An Outside Function Not Working

cv2.Videocapture() works fine while using webcam but while trying to read from hard drive it shows … Read more Python Cv2.videocapture() Does Not Work, Cap.isopened() Returns False

I'm creating an XML document using minidom - how do I ensure my resultant XML document contains… Read more How To Add An Xml-stylesheet Processing Instruction Node With Python 2.6 And Minidom?

Is it possible to add Tooltips to a Timeseries chart? In the simplified code example below, I want … Read more In Bokeh, How Do I Add Tooltips To A Timeseries Chart (hover Tool)?

The following code: >>> text = 'imagine a new *world*, a *magic* world' >>&… Read more What Group Does Backreference Refers To When Used With Sub() Operation?

I finally manage to show csv file within html and also bind with django model but I am missing a fo… Read more Combine Django Model With Csv File And Loop

working from my last question I've managed to get a good chunk of the way to get my system fini… Read more Python - Excel: Finding The First Empty Row In A Column

I tried to process the same request to the same database using 'Python 2.7.4 + sqlite3' and… Read more Why Python+sqlite3 Is Extremely Slow?

I have already figured out the answer to that, so I am placing it here as a question to myself - fo… Read more Destroy Object Method After First Invocation

I want to calculate the polarity and subjectivity for some headlines that I have. My code works fin… Read more How To Do Sentiment Analysis Of Headlines With Textblob And Python

I am using PyGame to create a game, and can't figure a clean way to switch between scenes and m… Read more A Good Way To Switch To A Menu Using Pygame

I am playing with a program in Python to create cross stitch schemes and need to reduce colors in a… Read more How To Reduce Image Palette To Specific Colors?

This works: for i in range(0, 3): print 'hi' This doesn't work: for range(0, 3): … Read more Python Forloop Syntax

From this post I learned that you can concatenate tuples with sum(): >>> tuples = (('h… Read more Concatenate Tuples Using Sum()

I want to run a zeroRPC server as a greenlet with other gevent greenlets in the same loop. The docu… Read more How To Run Zerorpc As A Greenlet?

The code is smaller version I put together to demonstrate what I am trying to do. I just need to ge… Read more Qt Python Gui Crashes On Button Click

What is the most elegant method for dumping a list in python into an sqlite3 DB as binary data (i.e… Read more Python, Sqlite3 - How To Convert A List To A Blob Cell

Python Version : 2.7.13 Pip Version: 9.0.1 Error: Could not find a version that satisfies the requi… Read more Not Able To Install Python Package Libportaudio-dev Via Pip On Windows 10

when I use the Django shell, it shows an error; this is the error: >>> from django.db impo… Read more Defining A Model Class In Django Shell Fails

Normally I process files in Python using a with statement, as in this chunk for downloading a resou… Read more Is There A Way To Automatically Close A Python Temporary File Returned By Mkstemp()

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?

I have a 3d plot made using matplotlib. I now want to fill the vertical space between the drawn lin… Read more Vertically Fill 3d Matplotlib Plot

I get this error when I run a program: ------------------------------------------------------------… Read more Installing The Pypiwin32 Module

I have a dictionary of dictionaries that has items like this all={ 1:{ ('a',123,145):2… Read more Combining Values For A Large Number Of Overlapping Intervals Of Dictionary Keys

How do I paginate my results from DynamoDB using the Boto python library? From the Boto API documen… Read more Pagination In Amazon Dynamodb Using Boto

I am a newbie in the world of python and I want to change that. So far all my projects have in done… Read more Which Python Linux Ides Support Gae's Webapp2 Framework?

I am getting some unexpected results when trying to use Python Omni Completion on my own class func… Read more Python Docstring With Vim Pythoncomplete Is Not Displaying Newlines For My Own Class Functions