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Showing posts from October, 2023

Typeerror: 'dict' Object Does Not Support Indexing Thrown On Second Instance Of This Query

So I am building a query based on user input in flask with this code: if empty_indic_form.valid… Read more Typeerror: 'dict' Object Does Not Support Indexing Thrown On Second Instance Of This Query

What Does On_delete=models.protect And On_delete=models.cascade Do On Django Models?

I'm quite familiar with Django, but recently noticed there exists a on_delete=models.CASCADE an… Read more What Does On_delete=models.protect And On_delete=models.cascade Do On Django Models?

Difference Between Iob Accuracy And Precision

I'm doing some works on NLTK with named entity recognition and chunkers. I retrained a classifi… Read more Difference Between Iob Accuracy And Precision

Python Script Stops At Import Statement When Script Is Run As Cronjob

I'm executing a python script every 30 minutes with cron, but it stops at the import statement … Read more Python Script Stops At Import Statement When Script Is Run As Cronjob

Speed Up Inserting Large Datasets From Txt File To Mysql Using Python

background: I have 500 formatted *.txt files that I need to insert into a mysql database. Currently… Read more Speed Up Inserting Large Datasets From Txt File To Mysql Using Python

Python 'subprocess' Calledprocesserror: Command '[...]' Returned Non-zero Exit Status 1

Executing the following script... import socket import sys … Read more Python 'subprocess' Calledprocesserror: Command '[...]' Returned Non-zero Exit Status 1

End Of Mib When Calling Pass_persist Script Snmp

I've to implement something like a monitoring for specific value returned by a script on the se… Read more End Of Mib When Calling Pass_persist Script Snmp

Django Incorrectly Expecting Id Column

I'm working with an existing SQL database in Django. These tables for some reason were never gi… Read more Django Incorrectly Expecting Id Column

Cython Program With Numpy Arrays Does Not Allow Vectorized Inputs (only Accepts Length 1 Arrays), How To Fix?

FIXED: see updated code below. This is my first Cython attempt and have a working build but it does… Read more Cython Program With Numpy Arrays Does Not Allow Vectorized Inputs (only Accepts Length 1 Arrays), How To Fix?

How To .remove All Matches In A Python List?

If I have a bit of Python like: n = [1, 3, 5, 1] n.remove(1) print n n will return [3, 5, 1] becau… Read more How To .remove All Matches In A Python List?

Sorting List-within-list In Python

I have a list within a list that is in this format: [['39.9845450804', '-75.2089337931&… Read more Sorting List-within-list In Python

Is There An Alternative To The: As_integer_ratio(), For Getting "cleaner" Fractions?

I know I can use: - 0.5.as_integer_ratio() ; and get the integer fraction: 1/2 However, if I have a… Read more Is There An Alternative To The: As_integer_ratio(), For Getting "cleaner" Fractions?

How To Restart Pyqt4 Application

Is there a way to restart PyQt application QApplication I have an app created with pyqt4 and python… Read more How To Restart Pyqt4 Application

Change Time Format For A String

I want to write a function to change the time format and an offset is used to shift the date For ex… Read more Change Time Format For A String

Creating A List Of Dictionaries With Same Keys?

I wanted to create a list that contains x amount of dictionaries all containing the same keys but w… Read more Creating A List Of Dictionaries With Same Keys?

List All Factors Of Number

I am trying to list all the factors of a number called count. Whenever I run it, it returns 1. For … Read more List All Factors Of Number

Remove Non Ascii Characters From Csv File Using Python

I am trying to remove non-ascii characters from a file. I am actually trying to convert a text file… Read more Remove Non Ascii Characters From Csv File Using Python

Python Pil - Transparent And Dashed Lines?

I am trying to superimpose a grid onto an image so that I can use it to position text. I am using … Read more Python Pil - Transparent And Dashed Lines?

How To Use Can_add_related In Django Admin

I've read about the can_add_related feature here: https://code.djangoproject.com/ticket/9071 I … Read more How To Use Can_add_related In Django Admin

Padding Numpy Rolling Window Operations Using Strides

I have a function f that I would like to efficiently compute in a sliding window. def efficient_f(x… Read more Padding Numpy Rolling Window Operations Using Strides

Python: Requests.exceptions.connectionerror - Only One Usage Of Each Socket Address (protocol/network Address/port) Is Normally Permitted

I'm sending GET requests to a json API inside a loop, like this: import requests for var in my… Read more Python: Requests.exceptions.connectionerror - Only One Usage Of Each Socket Address (protocol/network Address/port) Is Normally Permitted

Validating A Form With Overloaded _init_

I have a form with a new init method, which allow to display various choices according to a paramet… Read more Validating A Form With Overloaded _init_

Memory Use If Multiprocessing Queue Is Not Used By Two Separate Processes

I have a thread in my python program that acquires images from a webcam and puts them in a multipro… Read more Memory Use If Multiprocessing Queue Is Not Used By Two Separate Processes

How Can I Add A Build Task On My Gulpfile?

I am trying to install a project named 'BOSS'. This is what i got when i tried to run bin/b… Read more How Can I Add A Build Task On My Gulpfile?

Pandas Function To Create Combined Column Based On Dict

I am trying to create a weighted column in a pandas.DataFrame I have a python dictionary with the k… Read more Pandas Function To Create Combined Column Based On Dict

Multiprocessing.manager Nested Shared Objects Doesn't Work With Queue

Python docs of the multiprocessing module state: Changed in version 3.6: Shared objects are capabl… Read more Multiprocessing.manager Nested Shared Objects Doesn't Work With Queue

Finding Centre Of Mass Of Tensor (tensorflow)

Is there an efficient way to find the centre of mass of a tensor? I'm working with N stacked vo… Read more Finding Centre Of Mass Of Tensor (tensorflow)

Cron Not Launching A Working Python Script

I have more than some troubles getting cron working on my raspberry pi 3b. I wrote a python script … Read more Cron Not Launching A Working Python Script

Python3 Shared Extension Doesn't Link Against Library Dependency

I'm creating a shared Python extension for my library and I'm using distutils to build it. … Read more Python3 Shared Extension Doesn't Link Against Library Dependency

Truncating A Text File Does Not Change The File

When a novice (like me) asks for reading/processing a text file in python he often gets answers lik… Read more Truncating A Text File Does Not Change The File

Invalid Json Payload Error With Python Google Sheets Api

I'm trying to use the google sheets API to append new rows to an existing google sheet. Authent… Read more Invalid Json Payload Error With Python Google Sheets Api

Sublime Text 3 Creating Plugin Adding External Python Libraries

So I'm trying to create a plugin and execute it with the context menu. In my plugin, I want to … Read more Sublime Text 3 Creating Plugin Adding External Python Libraries

I Am Making A Traffic Light With Python Turtle And At The End Of The Sequence I Want All The Lights To Blink Yellow

This is my code. All I want is for three turtles to move/blink at the same time like a broken traf… Read more I Am Making A Traffic Light With Python Turtle And At The End Of The Sequence I Want All The Lights To Blink Yellow

Render Multiple Template From A Single View In Django

I want to send context data to one html and want to render different html. After login user is redi… Read more Render Multiple Template From A Single View In Django

How Do I Change The Colour Of A Button Border Tkinter

How do i change the colour of a border in tkinter I have looked at other solutions which recommende… Read more How Do I Change The Colour Of A Button Border Tkinter

Process Special Json With Keys As Numbers

I want to extract data from file into a dictionary via json.loads. Example: {725: 'pitcher, ewe… Read more Process Special Json With Keys As Numbers

Conda Install -n Base --revision 1 Doesn't Clean Up Pypi Packages

I attempted cleaning up my base (mini)conda environment by installing revision 1 of the base enviro… Read more Conda Install -n Base --revision 1 Doesn't Clean Up Pypi Packages

Write Contents Of Url Request To File

I am trying to fetch a list from a php file using python and save it to a file: import urllib.reque… Read more Write Contents Of Url Request To File

Data Of 1 Sub-folder Gets Added To 2nd Sub-folder

I have a script for object recognition. While writing output to disk output of 1 sub-folder gets ap… Read more Data Of 1 Sub-folder Gets Added To 2nd Sub-folder

Creating Django Forms

I'm struggling to get my head round django forms.. I've been reading various documentation … Read more Creating Django Forms

How Can I Prevent Lxml From Auto-closing Empty Elements When Serializing To String?

I am parsing a huge xml file which contains many empty elements such as When serializing with etr… Read more How Can I Prevent Lxml From Auto-closing Empty Elements When Serializing To String?

Dynamically Adding Columns To Pandas Dataframe

I have a pandas dataframe with column names 'a', 'b', ...,'n'. for each col… Read more Dynamically Adding Columns To Pandas Dataframe

How Can I Close And Re-open Turtle Screen In Python

Could you please guide me? After I draw a square, how can I close the screen and then reopen it? im… Read more How Can I Close And Re-open Turtle Screen In Python

How To Share Values Between Functions In Python?

I have the following 2 functions: a = 20 b = 45 def function1(): coin = np.random.randint(0, 1… Read more How To Share Values Between Functions In Python?

Detecting Infinite Recursion

I'm creating a macro for Trac, and one of the things it does is to render a bit of wiki text, t… Read more Detecting Infinite Recursion

Removing Na Values From A Dataframe In Python 3.4

import pandas as pd import statistics df=print(pd.read_csv('001.csv',keep_default_na=False… Read more Removing Na Values From A Dataframe In Python 3.4

Trying To Make Loop For A Function That Stops After The Result Is Lower Than A Certain Value

I'm taking a beginner python class and part of an exercise we were given was this: The point x… Read more Trying To Make Loop For A Function That Stops After The Result Is Lower Than A Certain Value

Python Convert Tuple To Integer

Is there any function that can convert a tuple into an integer? Example: input = (1, 3, 7) output … Read more Python Convert Tuple To Integer

Pareto Distribution: R Vs Python - Different Results

I'm trying to replicate R's fitdist() results (reference, cannot modify R code) in Python u… Read more Pareto Distribution: R Vs Python - Different Results

Parsing Text File And Segregating The Data In A Dictionary

I have a kind of complex problem here in parsing a text file. What I need: Read through a text fi… Read more Parsing Text File And Segregating The Data In A Dictionary

Python Pandas Yahoo Stock Data Error

i am try to pullout intraday aapl stock data by yahoo. but there problem i facing with my program..… Read more Python Pandas Yahoo Stock Data Error

How Do I Randomly Select Multiple Images From Folders And Then Layer Them As A Single Image In Python?

I'm trying to use python to create a composite .png of randomly selected and layered png's … Read more How Do I Randomly Select Multiple Images From Folders And Then Layer Them As A Single Image In Python?

Modifying Parameter In Existing Text File With Python

I have a text file (example.txt) which looks like this: sn = 50 fs=60 bw=10 temperature=20 ch=10 r… Read more Modifying Parameter In Existing Text File With Python

Dataframe Into Numpy Array With Values Comma Seperated

The Scenario I've read a csv (which is \t seperated) into a Dataframe, which is now needed to b… Read more Dataframe Into Numpy Array With Values Comma Seperated

How To Obtain The Right Alpha Value To Perfectly Blend Two Images?

I've been trying to blend two images. The current approach I'm taking is, I obtain the coor… Read more How To Obtain The Right Alpha Value To Perfectly Blend Two Images?

Inverting Ill-conditioned Matrix In Numpy

I am trying to invert a covariance matrix to calculate a Mahalanobis-distance. However, my covarian… Read more Inverting Ill-conditioned Matrix In Numpy

Match Column Values To Dict

I have a dict and a dataframe like the examples v and df below. I want to search through the items… Read more Match Column Values To Dict

Python Dataframe Column Of Lists Of Dicts Into Columns With Single Elements

I tried to ask this question in a different format, and I got answers that addressed a specific par… Read more Python Dataframe Column Of Lists Of Dicts Into Columns With Single Elements

Sort And Get Uniq Lines Of File In Python

i always use this commmand line to sort and get uniq lines only and it works as a charm even with l… Read more Sort And Get Uniq Lines Of File In Python

Bivariate Cdf/ccdf Distribution Python

I am trying to plot a bivariate ccdf of the dataset that has x and y values both. Univariate I can… Read more Bivariate Cdf/ccdf Distribution Python

Finding Excel Cell Reference Using Python

Here is the Excel file in question: Context: I am writing a program which can pull values from a PD… Read more Finding Excel Cell Reference Using Python

Pycurl Javascript

I created a python 3 script that allows me to search on a search engine (DuckDuckGo), get the HTML … Read more Pycurl Javascript

How To Generate Combinations With None Values In A Progressive Manner

I want to generate combinations (with empty values) between multiple lists in a progressive manner.… Read more How To Generate Combinations With None Values In A Progressive Manner

Django - Getting Post To Return A Dictionary Where The Values Are Lists

been stuck on this one for a while: We've got a view that has a number of dishes on it, like th… Read more Django - Getting Post To Return A Dictionary Where The Values Are Lists