Python Playground

Excerpt: file = open('D:\\DownloadFolder\\test.mp3', 'wb') def callback(data): … Read more Python: Defining A Variable In Callback Function...not Sure Where

I've been playing around with a timing decorator for my pylons app to provide on the fly timing… Read more How Much Overhead Do Decorators Add To Python Function Calls

I'm looking for a way to produce a scatter plot in python where smaller plots will be drawn abo… Read more Plot Larger Points On Bottom And Smaller On Top

I'm new to python/numpy. I need to import n bands of data (~125) from a multiband image into an… Read more How To Import Multiple Bands From An Image Into Numpy?

I've been desperately trying to compile my python pygame program into standalone executables to… Read more Cx_freeze: "no Module Named 'codecs'"

How do I pass parameters to a function through a button? variable = str() def RandomFunction(vari… Read more Python Tkinter - Passing Values With A Button

I loaded a custom template tag note_extras.py in base.html. base.html {% load note_extras %} {… Read more Is It Possible To Load A Custom Template Tag In Base And Use It In Extented Templates

how to select rows which one of its columns values contains specific string in python? I have used … Read more How To Select Rows Which One Of Its Columns Values Contains Specific String In Python?

In some cases matplotlib shows plot with errorbars errorneously when using logarithmic scale. Supp… Read more Missing Errorbars When Using Yscale('log') At Matplotlib

I have a dataframe that needs to be curve fitted per row (second order polynomial). There are four … Read more Python Curve Fitting On Pandas Dataframe Then Add Coef To New Columns

I've changed attributes for other classes before without issues. _Element is obviously not a bu… Read more Really Weird... Can't Set Attributes Of Built-in/extension Type 'lxml.etree._element'

Python Version: 2.7.13 OS: Windows So I'm writing a script to copy files of various names into … Read more How Do I Copy Files Into Folders Based On The File Containing The Folder Name?

I'm trying to figure out how to capture a return value from a python script in a *nix terminal.… Read more Capturing Python Process's Exit Status In Unix Shell

I'm trying to write a Python program that can browse directories and grab files w/ sockets if t… Read more Sockets Python 3.5: Socket Server Hangs Forever On File Receive

My first test using pytest-qt failed immediately with a Fatal Python error. I reduced the code to … Read more Why A Fatal Python Error When Testing Using Pytest-qt?

I am trying to convert Non-English file encoded in Octal back into it's native format and store… Read more Python - Convert Octal To Non-english Text From File

I am wondering, why, for the life of me I cannot import and use PyPDF2 (PDF library) in Python 3.7.… Read more Cannot Import 'pypdf2' In Python 3.7

I have a string buffer of a huge text file. I have to search a given words/phrases in the string bu… Read more Iterating Through String Word At A Time In Python

I am trying to send commands to a server via a python script. I can see the socket connection being… Read more How Does Telnet Differ From A Raw Tcp Connection

This is my code and I try to calculate ROC score but I have a problem with ValueError: multiclass f… Read more How To Fix Valueerror: Multiclass Format Is Not Supported

In django ORM you can directly filter by relationship attributes. Eg, given the tables class Produc… Read more Sqlachemy: Filter By Relationship (like Django Orm)?

I'm trying to find a way to display all the possible sets of X integers that add up to a given … Read more Get All Numbers That Add Up To A Number

I am trying to get my stdout displayed on a QTextEdit made via Qt Designer (PyQt5). Actually I made… Read more Redirecting Stdout From A Secondary Thread (multithreading With A Function Instead Of Class?)

This has probably been asked a million times; but i can't figure out the solution for my specif… Read more Python Exponential Integration: Overflow Encountered In Exp

I have a date that is either in German for e.g, 2. Okt. 2009 and also perhaps as 2. Oct. 2009 How… Read more Handling International Dates In Python

I'm trying to pass values from my custom form to my views.py . However, I can't seem to pas… Read more Passing Custom Form Values To Views

==$0 '1.'the purpose of our lives is to be happy.' - ' Dalai Lama there… Read more How Web Scrape Data From This Line .. There Is No Div And No Class Element I Can't Find.i Want To Extract Data From That Line??how

I need to open 2 Invoices the one's whose GST Invoice number contains digit 2 at it's third… Read more How To Open Two Links On The Same Browser

I have a python file with imported rdflib and some SPARQL query implemented from rdflib import Grap… Read more Sparql - Unknown Namespace Prefix Error

I am trying to split a source column of a dataframe in several columns based on its content, and th… Read more Python Pandas: Create A New Column For Each Different Value Of A Source Column (with Boolean Output As Column Values)

I'm trying to get autocompletion working in Sublime Text 3 via the Anaconda plug-in. So far I&#… Read more Django Autocomplete With Anaconda In Sublime Text 3

I've written a ntp client in python to query a time server and display the time and the program… Read more Ntp Client In Python

I need to calculate the covariance matrix for RGB values across an image dataset, and then apply Ch… Read more How To Calculate The 3x3 Covariance Matrix For Rgb Values Across An Image Dataset?

I have the following: u'\x96' I want to convert it to the following: '\x96' Is th… Read more Converting U"string" To "string" In Python Without Changing Encoding

I'm trying to follow the instructions here to use the Boost.Python. The source code is in that … Read more The Dll Created By Boost.python Cannot Be Imported (following Boost Python's Quickstart)

Is it possible to specify where pyodbc looks for the SQL driver? I have a python application which… Read more Pyodbc: Specify Location Of Driver In Windows

I am using CentOS 8. I'm trying to install Python 3. Command: sudo dnf install python3. Error: … Read more Install Python 3 On Centos 8 Returns "failed To Synchronize Cache For Repo 'baseos'"

I am aware of these two similar questions: Pandas replace values Pandas: Replacing column values in… Read more Pandas Replacing Values On Specific Columns

Is it possible to create a new language for the Python Virtual Machine? I was reading over http://l… Read more Creating A New Language Within The Python Virtual Machine

To motivate the question, sympy.concrete has some efficient tools to manipulate symbolic sums. In o… Read more Sympy: How To Simplify Logarithm Of Product Into Sum Of Logarithms?

I have an array [(126,150),(124,154),(123,145),(123,149)](just a sample of the numbers, the array i… Read more Invert Tuples In A List Of Tuples

Python version is 3.4.2 (env) ishandutta2007@MacBook-Pro:~/Documents/Projects/my_proj$ pip install… Read more Librosa Installation Via Pip Failing

I want to change the file permission for all the files from my current directory tree. I am trying … Read more Permission Change Of Files In Python

What is the difference between conda install and conda update? I've skimmed through the documen… Read more What Is The Difference Between Conda Install And Conda Update?

I have a list: long_list = [] for i in range(100): long_list.append(i) I'm trying to creat… Read more Grouping Of A List's Values Into Equal Distance Bins

I'm having a weird situation, where pd.describe is giving me percentile markers that disagree w… Read more Pandas Describe Vs Scipy.stats Percentileofscore With Nan?

I am new to all this I have apython app already helo.mysql.py and need to Connect the python app to… Read more Connect The Python App To A Database Using Centos 7

Please note, we are using aws-lambda to execute a php script using python subprocess popen function… Read more Python Subprocess Popen Does Not Execute Php Script

Suppose I define the following exception: >>> class MyError(Exception): ... def __init… Read more Python Exception - How Does The Args Attribute Get Automatically Set?

When I do ```python -m unittest`` inside of my users app, I get this error: TypeError: argument of … Read more How To Fix "typeerror: Argument Of Type 'connectionhandler' Is Not Iterable" When Running A Django Test?

I am experimenting with bokeh data table. Is it possible to add HoverTool to each field in bokeh ta… Read more How To Add Hovertool To A Data Table (bokeh, Python)

I have a string with digits like so - digit = '7316717' Now I want to split the string in s… Read more Python Split String In Moving Window

i'm having troubles with python importing. Here is my structure. fitness/ __init__.py … Read more No Module Named Fitness Python Import Error

Im using Python 2.7 with mysql.connector running in pyCharm I need to use a parameterized query lik… Read more Use Parameterized Query With Mysql.connector In Python 2.7

So the challenge I'm trying to solve is to find the largest palindrome made from the product of… Read more Finding The Largest Palindrome Of The Product Of Two 3-digit Numbers In Python

I've been looking at examples from other people but I can't seem to get it to work properly… Read more How To Use Python (maya) Multithreading

Suppose there is a dataframe like this: I want to compress this dataframe into one ID one row form… Read more Merge Multiple Rows Of The Same Id Into One Row While Creating New Columns In Pandas

I am doing the self driving course with Udacity. There is a common environment which I launched in… Read more Tensorflow Importerror: No Module Named '_pywrap_tensorflow_internal' On Windows 10

I've asked a similar question in the past, but I'm not good at it, so I'll ask you agai… Read more In Text File, How Can I Parse Multilines In Particular Pattern Using Python?

The webpage is something like this: section1 article article article Read more Find Next Siblings Until A Certain One Using Beautifulsoup

Hello I am trying to insert one row into a table, I succesfully created the table as follows: schem… Read more Why The Following Bigquery Insertion Is Failing?

Say I created a tuple like this using a byte array: import struct a = struct.unpack('f', &#… Read more How Can I Convert A Tuple To A Float In Python?

This code fails: import asyncio from motor import motor_asyncio _client = motor_asyncio.AsyncIOMo… Read more Asyncio.run Fails When Loop.run_until_complete Works

Possible Duplicate: Python split() without removing the delimiter I wish to split a string as fol… Read more Split String On ". ","! " Or "? " Keeping The Punctuation Mark

I want to calculate an expanding z-score for some time series data that I have in a DataFrame, but … Read more Pandas - Expanding Z-score Across Multiple Columns