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Showing posts from November, 2023

Python Threading Return Values

I am new to threading an I have existing application that I would like to make a little quicker usi… Read more Python Threading Return Values

Return Value In Generator Function Python 2

I'm wondering how I can write a generator function that also has the option to return a value. … Read more Return Value In Generator Function Python 2

How To Generate A Windows Executable Using Pyinstaller On Linux?

I'm trying to generate an executable from Linux for Windows using pyinstaller. pyinstaller --on… Read more How To Generate A Windows Executable Using Pyinstaller On Linux?

How To Filter None Values Out Of Pcollection

My pubsub pull subscription is sending over the message and a None value for each message. I need t… Read more How To Filter None Values Out Of Pcollection

Dynamically Pass Parameters To Function

I need to keep track of the number of times each function in a collection has been called. If a fun… Read more Dynamically Pass Parameters To Function

Why Does Text Retrieved From Pages Sometimes Look Like Gibberish?

I'm using urllib and urllib2 in Python to open and read webpages but sometimes, the text I get … Read more Why Does Text Retrieved From Pages Sometimes Look Like Gibberish?

Change Label Values When An Entry Value Is Changed

My problem at the moment is I am trying to change a label(label 16) to the first value of entry_val… Read more Change Label Values When An Entry Value Is Changed

'parted Mklabel' Raises An Error Through Python Subprocess

I want to format a hard disk via python script using subprocess.Popen. Typing the following command… Read more 'parted Mklabel' Raises An Error Through Python Subprocess

Python Tls Version Matching

I am using python 3.8 I got below outputs on my Ubuntu system: >>> import ssl >>>… Read more Python Tls Version Matching

Merging Async Iterables In Python3

Is there a good way, or a well-supported library, for merging async iterators in python3? The desir… Read more Merging Async Iterables In Python3

Pyinstaller Onefile Not Including Data Files

I have an application I would like to package into a single file, but am running into issues with t… Read more Pyinstaller Onefile Not Including Data Files

Valueerror: Too Many Values To Unpack Multiprocessing Pool

I have the following 'worker' that initially returned a single JSON object, but I would lik… Read more Valueerror: Too Many Values To Unpack Multiprocessing Pool

How Can Upload Word Or Pdf File In Django

I am trying to upload word/pdf file but it's not working. My form submit successfully but file … Read more How Can Upload Word Or Pdf File In Django

Matplotlib: Times New Roman Appears Bold

For some reason when using Times New Roman in my mpl plots it appears bold. Other fonts are OK. Her… Read more Matplotlib: Times New Roman Appears Bold

Why Is Updating A List Faster When Using A List Comprehension As Opposed To A Generator Expression?

According to this answer lists perform better than generators in a number of cases, for example whe… Read more Why Is Updating A List Faster When Using A List Comprehension As Opposed To A Generator Expression?

Setting Multiple Variables From Opened File - Python

I open a file using a python programme. file = open('test.txt', 'r') Then I set a … Read more Setting Multiple Variables From Opened File - Python

Programmingerror: Incorrect Number Of Bindings Supplied. The Current Statement Uses 1, And There Are 40 Supplied

I have a user input where I want to enter a userID and retrieve the songID's that are asscociat… Read more Programmingerror: Incorrect Number Of Bindings Supplied. The Current Statement Uses 1, And There Are 40 Supplied

Python Two Lists Finding Index Value

listEx = ['cat *(select: 'Brown')*', 'dog', 'turtle', 'apple… Read more Python Two Lists Finding Index Value

Conda: The Following Packages Are Missing From The Target Environment

I'm trying to uninstall awscli: conda list | grep aws awscli 1.18.78 … Read more Conda: The Following Packages Are Missing From The Target Environment

Pycharm - Cannot Find Declaration To Go To

I changed my project code from python 2.7 to 3.x. After these changes i get a message 'cannot … Read more Pycharm - Cannot Find Declaration To Go To

Get The Href Link After Traversing Through Divs Using Selenium In Python

I am new to Selenium.. I am trying to get the href link which is present inside two div elements Xp… Read more Get The Href Link After Traversing Through Divs Using Selenium In Python

How To Add An External Object As A Field Panel In Wagtail Cms

I've a pre-existing Django project where I started a Wagtail-driven app. In the Django project,… Read more How To Add An External Object As A Field Panel In Wagtail Cms

Error While Starting New Scrapy Project

I have installed Scrapy using Ubuntu packages provided in the Scrapy website. But on starting a Scr… Read more Error While Starting New Scrapy Project

Build Wheel For A Package (like Scipy) Lacking Dependency Declaration

I think it doesn't make a difference here but I'm using Python 2.7. So the general part of … Read more Build Wheel For A Package (like Scipy) Lacking Dependency Declaration

Elastic Search Nested Object Query

I have a elastic search index collection like below, '_index':'test', '_type… Read more Elastic Search Nested Object Query

Vectorization And Matrix Multiplication By Scalars

I am new to python/numpy. I need to do the following calculation: for an array of discrete times t… Read more Vectorization And Matrix Multiplication By Scalars

Simple Mandelbrot Set In Python

I've looked at other questions regarding this, but I can't seem to figure out where I am go… Read more Simple Mandelbrot Set In Python

List Comprehension And Intersection Problem

list(set(a[0]) & set(a[1]) & set(a[2]) & set(a[3]) & set(a[4])) Does anyone know h… Read more List Comprehension And Intersection Problem

Printing Within List Comprehension In Python

I am getting a syntax error when executing the following code. I want to print within a list compr… Read more Printing Within List Comprehension In Python

Get Vm Status Using Azure Python Sdk

I have a list of VMs and I'd like to get each VM's status (ReadyRole/Stopped/StoppedDealloc… Read more Get Vm Status Using Azure Python Sdk

Ruby Hash Equivalent To Python Dict Setdefault

In Python it is possible to read a dictionary/hash key while at the same time setting the key to a … Read more Ruby Hash Equivalent To Python Dict Setdefault

Plotting Precision-recall Curve When Using Cross-validation In Scikit-learn

I'm using cross-validation to evaluate the performance of a classifier with scikit-learn and I … Read more Plotting Precision-recall Curve When Using Cross-validation In Scikit-learn

How To Extract File Size From Youtube-dl In Python Script?

I'm new to python programming. I want to extract a video/audio size ( any youtube video) before… Read more How To Extract File Size From Youtube-dl In Python Script?

Server-client Connection In Pyqt

I would like to write a simpe program that can handle a server-client connection (1:1 connection is… Read more Server-client Connection In Pyqt

How To Run Arbitrary Code After Django Is "fully Loaded"

I need to perform some fairly simple tasks after my Django environment has been 'fully loaded&#… Read more How To Run Arbitrary Code After Django Is "fully Loaded"

How To Pass Python Variable To Html Variable?

I need to read a url link from text file in python as a variable, and use it in html. The text file… Read more How To Pass Python Variable To Html Variable?

Upgrade To Numpy 1.8.0 On Ubuntu 12.04

I'm running Ubuntu 12.04 which comes by default with NumPy 1.6.0 (I have, actually had, Python … Read more Upgrade To Numpy 1.8.0 On Ubuntu 12.04

How To Fix Error Message: 'chromedriver.exe' Executable May Have Wrong Permissions

I'm installing webdriver of selenium. However I get a following error : PermissionError … Read more How To Fix Error Message: 'chromedriver.exe' Executable May Have Wrong Permissions

How To Fix: "importerror: Dll Load Failed The Specified Procedure Could Not Be Found." When The Dlls Are There

Updated to new Anaconda 2018, opened a jupyter notebook that worked prior to the update. Having pro… Read more How To Fix: "importerror: Dll Load Failed The Specified Procedure Could Not Be Found." When The Dlls Are There

Use Boto3 To Get Current Price For Given Ec2 Instance Type

Now that AWS have a Pricing API, how could one use Boto3 to fetch the current hourly price for a gi… Read more Use Boto3 To Get Current Price For Given Ec2 Instance Type

Groupby Of Multiple Columns And Assigning Values To Each By Considering Start And End Of Each (pandas)

I've got a datframe that looks like that df1 v w x y 4… Read more Groupby Of Multiple Columns And Assigning Values To Each By Considering Start And End Of Each (pandas)

Sympy: Lambdify Such That Operations On Arrays Always Result In Arrays, Also For Constants?

I need to evaluate the derivative of functions (f') given by the user in many points. The point… Read more Sympy: Lambdify Such That Operations On Arrays Always Result In Arrays, Also For Constants?

Error While Importing Keras And Tensorflow

I used from keras.layers import dot and got this error in return: c:\users\prashasti\appdata\local\… Read more Error While Importing Keras And Tensorflow

Is It Possible To Play Two Notes At Once With Pyaudio?

Is it possible to play chords using pyaudio? Solution 1: Of course! Just generate the result and p… Read more Is It Possible To Play Two Notes At Once With Pyaudio?

Python, Pyinstaller Creating Shortcuts In Windows

I am making a python script that creates a shortcut (.lnk) file, using win32com.client module, I am… Read more Python, Pyinstaller Creating Shortcuts In Windows

How To Enter A Input Without Pressing Enter

For instance I would like it so, x = int(input('Please enter your guess :') If x = 1: Pr… Read more How To Enter A Input Without Pressing Enter

Selenium Python: Send Keys To Editable Body In Iframe

How is it possible to send keys to an editable body in an iframe? Page: )) description = browser.fi… Read more Selenium Python: Send Keys To Editable Body In Iframe

Create A Matrix From A Vector Where Each Row Is A Shifted Version Of The Vector

I have a numpy array like this import numpy as np ar = np.array([1, 2, 3, 4]) and I want to creat… Read more Create A Matrix From A Vector Where Each Row Is A Shifted Version Of The Vector

Can Sqlalchemy Automatically Create Relationships From A Database Schema?

Starting from an existing (SQLite) database with foreign keys, can SQLAlchemy automatically build r… Read more Can Sqlalchemy Automatically Create Relationships From A Database Schema?

Tokenise Text And Create More Rows For Each Row In Dataframe

I want to do this with python and pandas. Let's suppose that I have the following: file_id te… Read more Tokenise Text And Create More Rows For Each Row In Dataframe

Size Of Subtree In Python

Almost every online tutorial I see on the subject when it comes to finding the size of a subtree in… Read more Size Of Subtree In Python

Count Groups Of Consecutive 1s In Pandas

I have a list of '1's and '0s' and I would like to calculate the number of groups o… Read more Count Groups Of Consecutive 1s In Pandas

How To Solve This Equation With Scipy (both Sides Include F(x))

How can I solve this equation with Scipy? Both sides include 'y'. For example, range of x =… Read more How To Solve This Equation With Scipy (both Sides Include F(x))

How To Remove Grey Boundary Lines In A Map When Plotting A Netcdf Using Imshow In Matplotlib?

Is it possible to remove the grey boundary lines around the in following map? I am trying to plotti… Read more How To Remove Grey Boundary Lines In A Map When Plotting A Netcdf Using Imshow In Matplotlib?

Spacy Similarity Function

I'm trying to use Spacy Library for sentences similarity, and I want to understand how it's… Read more Spacy Similarity Function

Python Object Initialization Bug. Or Am I Misunderstanding How Objects Work?

1 import sys 2 3 class dummy(object): 4 def __init__(self, val): 5 self.val = … Read more Python Object Initialization Bug. Or Am I Misunderstanding How Objects Work?

Pyqt Integration With Sqlalchemy

I am trying to add a form I created with PyQt into database through Sqlalchemy but I guess somethin… Read more Pyqt Integration With Sqlalchemy

How To Get Training & Validation Loss Of Keras Scikit-learn Wrapper In Cross Validation?

I know that model.fit in keras returns a callbacks.History object where we can get loss and other m… Read more How To Get Training & Validation Loss Of Keras Scikit-learn Wrapper In Cross Validation?

Google Appengine Importerror: Dynamic Module Does Not Define Init Function (init_mysql)

I am getting this error when I deployed my python app with Flask on Google AppEngine. I will be gra… Read more Google Appengine Importerror: Dynamic Module Does Not Define Init Function (init_mysql)

Screen Scraping In Python

I'm new to the whole concept of screen scraping in Python, although I've done a bit of scre… Read more Screen Scraping In Python

What Did I Do Wrong In My Function Involving Raising An Exception?

The instructions: Write a function validate_input(string) which takes a command string in the forma… Read more What Did I Do Wrong In My Function Involving Raising An Exception?

Python Real Time Image Classification Problems With Neural Networks

I'm attempting use caffe and python to do real-time image classification. I'm using OpenCV … Read more Python Real Time Image Classification Problems With Neural Networks

How To Scrape Single Url- Multi Pages Using Requests

I am trying to Scrape an e-commerce Website but 1 category have different pages and all the pages s… Read more How To Scrape Single Url- Multi Pages Using Requests

Missing Argument Error For .get Method Of Tkinter Text Entry Widget

I am attempting to run the following code for a text editor. def newfile(): current = None def crea… Read more Missing Argument Error For .get Method Of Tkinter Text Entry Widget

Python: Outfile To Another Text File If Exceed Certain File Size

I using scapy with python in ubuntu. I would like to ask if anyone would know how to code the examp… Read more Python: Outfile To Another Text File If Exceed Certain File Size

Django_pylibmc Complains Under Django 1.7 And Python 3.4

My environment: Django 1.7 Python 3.2 As a disclaimer, I'm new to Django and Python. I'm go… Read more Django_pylibmc Complains Under Django 1.7 And Python 3.4

Attributeerror 'module' Object Has No Attribute 'runserver' In Django

I have a functional test 'y1.py' which I am trying to call from within a python/django func… Read more Attributeerror 'module' Object Has No Attribute 'runserver' In Django

Working On A Way To Return The Text Of A Button After The Button Is Clicked In Tkinter

I'm trying to create a list of buttons that are clicked with this lambda function: button1.conf… Read more Working On A Way To Return The Text Of A Button After The Button Is Clicked In Tkinter