Python Library

I used to use the picamera Python module, along with a Raspberry Pi Camera on Raspbian OS on my Ras… Read more Can I Use Picamera With This Version Of Ubuntu On A Raspberry Pi 2 Model B?

I have a few questions regarding task routing, concurrency and performance. Here is my use case : I… Read more Celeryd_concurrency, --concurrency And Autoscale

I seem to have the all-familiar problem of correctly reading and viewing a web page. It looks like … Read more Unicode Problems With Web Pages In Python's Urllib

Good evening, today i messed up my laptop trying to install some packages for python 3.5.2. I tried… Read more Reinstall Python 2.7.12 And Python 3.5.2

I am trying to make a circular queue in Python so that when the last element in the array is reache… Read more Circular Queue Python

from the following code, I could update the line by clicking the 'replot' button. I have to… Read more How To Update Curve Plot In Animation ( Tkinter) Of Python

I'm doing some research with an interactive shell and using a Django app (shell_plus) for stori… Read more How To Reload Django Models Without Losing My Locals In An Interactive Session?

I need to generate permutations of digits, the number can be bigger than the digit count. For my cu… Read more Number Permutations In Python Iterative

Can you break a while loop from outside the loop? Here's a (very simple) example of what I'… Read more Can You Break A While Loop From Outside The Loop?

I am trying to detect red color from the video that's being taken from my webcam. The following… Read more How To Detect Red Color In Opencv Python?

At startup, IPython (qtconsole) calls socket.gethostbyname_ex(socket.gethostname())[2] to find a li… Read more Gethostbyname_ex(hostname) Extremely Slow

I have a function with void * parameter and I want to store it in the dict. What I do is: %%cython… Read more Cython Throws An Error When Pass Function With Void * Argument To Dict

I want to stop my program when the user presses ctrl-C. The following answer suggests catching the … Read more Python 2.7: How To Catch Keyboard Interrupt In Program With More Than 25 Threads

I've recently started to experiment with Python and Tornado web server/framework for web develo… Read more Is There A Way To Deploy New Code With Tornado/python Without Restarting The Server?

I've got a text file, say, 'A.txt' and an Excel file, say 'B.xlsx'. My goal is … Read more Copying Text From File To Specified Excel Column

I'm trying to get started crawling and scraping a website to disk but having trouble getting th… Read more Pass Values Into Scrapy Callback

Data: https://courses.edx.org/c4x/MITx/15.071x_2/asset/NBA_train.csv I know how to fit these data t… Read more Multiple Linear Regression In Pandas Statsmodels: Valueerror

Hi im working with python and flask im trying to make a page that server takes you to page 1 then … Read more Python Flask Sequence Of Gets And Post

I would like to be able to display Notebook and a TxtCtrl wx widgets in a single frame. Below is a… Read more Wxpython: Displaying Multiple Widgets In Same Frame

i'm starting to learn GEKKO. Now, I am solving a knapsak problem to learn, but this time I get … Read more "int 'object Is Not Subscriptable"

I want to write a regex that orders python to return items in a list that have sequence of vowels, … Read more How Do I Use Format() In Re.compile

I have an array with some objects, and there are several objects that are alike. E.g: fruit = [appl… Read more How To Get The Most Represented Object From An Array

I have a clear idea of what I would like to plot, but I am not sure where to start using matplotlib… Read more Trouble With Stacked Bar Graph Without Pooling

I am using a JavaScript library to upload an image. It places the image data in a form field that i… Read more Saving Uploaded Base64 Data Gives Typeerror: A Bytes-like Object Is Required, Not 'str'

I am trying to scrape a website which has a delay of 5 sec while displaying a ddos prevention page,… Read more How To Scrape A Website Which Redirects For Some Time

I have my static files in a folder assets in the application directory. When I go to the main page … Read more Django Adding Static Path To Current Url

I am currently runnning Ubuntu 12.04 with mongodb 2.2 and pymongo version 2.3. I am attempting to … Read more Failure To Import Pymongo Ubuntu

I have written a script that sends individual emails to all contacts in an Excel table. The table l… Read more How Do I Attach Separate Pdf's To Contact List Email Addresses Using Python?

I want to use print format to print strings and numbers, and I have the following code: John = {&#… Read more Typeerror: %d Format: A Number Is Required, Not Str

I have been using python for a while, I want to save specific webpages which require prior login. S… Read more Selenium Firefox Webdrive, Using Python, Scrolling In Div

I call an external binary using the subprocess module: try: subprocess.check_output([param1, pa… Read more Python Subprocess Supress Stdout And Stderr

Turns out that Flask sets request.data to an empty string if the content type of the request is app… Read more Flask - How Do I Read The Raw Body In A Post Request When The Content Type Is "application/x-www-form-urlencoded"

I'm currently trying to convert hsl color codes to hsv and vice versa in Python, but can't … Read more Convert Hsl To Hsv Color Codes And Vice Versa In Python

I am using os.system method in Python to open a file in Linux. But I don't know how to pass the… Read more Variable In Os.system

I am a newbie in learning Machine Learning, so following a great tutorial in YouTube. But the follo… Read more Attributeerror: 'numpy.int64' Object Has No Attribute 'timestamp' In Python 3.5 In Anaconda

Below are some javascript codes a >>> (c -= 8)) % 256 a = (a Solution 1: There is no zero… Read more Javascript Bitwise Operator "<<", ">>>" To Python

as per django tutorial, I created the project and executed manage.py runserver as said in tutoria… Read more Official Django Tutorial Part1: Runtimeerror: Maximum Recursion Depth Exceeded In Cmp

I have the following text that I want to send by mail. I have to convert it to html, therefore to e… Read more How To Add Suffix To A Plain Text In Python

class Board: def __init__(self): self.board = self.createBoard() def createBoard(… Read more Two-dimensional List Wrongly Assigning Values In Python

I am trying to solve the following differential equation with ics using SymPy's dsolve: from s… Read more Sympy Dsolve Couldn't Solve For Initial Conditions

I'm trying to open a PDF to a specific bookmark using python. So far, I'm able to run the … Read more Open Pdf To Bookmark/named Destination?

Take the following code: import something def Foo(): something = something.SomeClass() ret… Read more "local Variable Referenced Before Assignment" — Only Functions?

Currently I call an existing existing LibreOffice macro with this: def OnLOtimestamp(self): … Read more How To Call An Existing Libreoffice Python Macro From A Python Script

I got the following code from How do I get a raw, compiled SQL query from a SQLAlchemy expression? … Read more Python 2.7 To Python 3.4 Error Unsupported Operand Type(s) For %: 'bytes' And 'dict'

I want to take input from the user in the game (e.g. their name), then put it on the screen. I tri… Read more How To Get An Input From User In Pygame And Save It As A Variable?

I'm playing with lambda functions inside of list comprehension, and found some weird behaviour … Read more Weird Lambda Behaviour In List Comprehension

I have some time series data with three separate colums (Date, Time, kW) that looks like this: Date… Read more Attributeerror: 'int64index' Object Has No Attribute 'month'

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

for key in fnt.keys(): str1 = base64.b64decode(fnt[key]) strA = XOR(str1, coder) temp… Read more Font File Loaded From Temp File Seems Incorrect

Earlier I used to code in python well, but after I formatted my computer and reinstalled the same p… Read more Python Os.system Command Not Working?

There is a base class Base and a subclass Special. class Base(object): def __init__(self, name)… Read more Convert A Baseclass Object Into A Subclass Object Idiomatically?

sys.getsizeof is returning different size for a unicode string on different versions of python. sys… Read more Python Sys.getsizeof Method Returning Different Sizes On Different Versions Of Python

In Qt 5.15 the placeholderText property was introduced - link to documentation However using setPla… Read more How Do I Use Qcombobox.setplaceholdertext?

Does anyone know a clean way to get near-LIFO or even not near-FIFO (e.g. random) behavior from mul… Read more Clean Way To Get Near-lifo Behavior From Multiprocessing.queue? (or Even Just *not* Near-fifo)

I created the following dictionary exDict = {True: 0, False: 1, 1: 'a', 2: 'b'} an… Read more Python Dictionary Doesn't Have All The Keys Assigned, Or Items

I want to iteratively build sparse matrices, and noticed that there are two suitable options for th… Read more Why Are Lil_matrix And Dok_matrix So Slow Compared To Common Dict Of Dicts?

I have a folder with lots of *.dat files (which were created with the program IDL). I am able to ta… Read more Python: How To Save *.dat-files As *.csv-files To New Folder

I want to make a 2d dictionary with multiple keys per value. I do not want to make a tuple a key. B… Read more 2d Dictionary With Many Keys That Will Return The Same Value

import numpy as np import cv2 from matplotlib import pyplot as plt img = cv2.imread('C:\\Users… Read more Converting An Image From Cartesian To Polar - Limb Darkening

Please help because this flipping program is my ongoing nightmare! I have several files that includ… Read more Python: Decoding Base64 Encoded Strings Within An Html File And Replacing These Strings With Their Decoded Counterpart

Let's say that I have this string: s = ' Hello! ' When I pass this variable to a templ… Read more Escape Problem In Django Templates

I have 3 matrices A,B,C. I wish to create a larger matrix of the form D = | 0 A | | B C | How … Read more Create A Larger Matrix From Smaller Matrices In Numpy

When using unicode strings in source code, there seems to be many ways to skin a cat. The docs and… Read more What's The Preferred Way To Include Unicode In Python Source Files?

I made a CNN in colab and saved the models at every epoch. I exported the h5 file and now am trying… Read more Valueerror: Unknown Layer: Functional