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Showing posts from February, 2024

Qtableview Doesn't Send Expected Focusin / Focusout Events To Eventfilter

I have a QTableWidget with floats or complex entries that need a lot of horizontal space. Displayin… Read more Qtableview Doesn't Send Expected Focusin / Focusout Events To Eventfilter

How To Set Foreign Key During Form Completion (python/django)

During form processing I'd like to be able to set a foreign key field on a model object without… Read more How To Set Foreign Key During Form Completion (python/django)

How To Insert Key-value Pair Into Dictionary At A Specified Position?

How would I insert a key-value pair at a specified location in a python dictionary that was loaded … Read more How To Insert Key-value Pair Into Dictionary At A Specified Position?

Typeerror: Function(self, Item, **kwargs) Takes Exactly 2 Arguments (3 Given)

I have a function, which puts data into a database, called new_item(): def new_item(self, item, **o… Read more Typeerror: Function(self, Item, **kwargs) Takes Exactly 2 Arguments (3 Given)

How To Reliably Check If A Domain Has Been Registered Or Is Available?

Objective I need a reliable way to check in Python if a domain of any TLD has been registered or is… Read more How To Reliably Check If A Domain Has Been Registered Or Is Available?

Pandas Generating Dataframe Based On Columns Being Present

I have a dataframe import pandas as pd df=pd.DataFrame({'Players': [ 'Sam', 'G… Read more Pandas Generating Dataframe Based On Columns Being Present

Azure Function Failures Occurring, Which App Insights Alert To Create?

Eh! Troubleshooting this all morning to no avail. Background: What: Azure Function Runtime: Python… Read more Azure Function Failures Occurring, Which App Insights Alert To Create?

Extract All Variables From A String Of Python Code (regex Or Ast)

I want to find and extract all the variables in a string that contains Python code. I only want to … Read more Extract All Variables From A String Of Python Code (regex Or Ast)

Adding Widgets To Qtablewidget Pyqt

Is there anyway to add like a button in qtablewidget? But the date within the cell would stil have … Read more Adding Widgets To Qtablewidget Pyqt

Mcmc Sampling A Maxwellian Curve Using Python's Emcee

I am trying to introduce myself to MCMC sampling with emcee. I want to simply take a sample from a … Read more Mcmc Sampling A Maxwellian Curve Using Python's Emcee

Selenium: Disable Headless When Code Is Running? (python)

I saw this post: How to make headless browser visible Python But apparently it's not possible t… Read more Selenium: Disable Headless When Code Is Running? (python)

How To Detect A Cycle In A Directed Graph With Python?

I have some input like: [('A', 'B'),('C', 'D'),('D', 'C… Read more How To Detect A Cycle In A Directed Graph With Python?

How To Use Regular Expressions Do Reverse Search?

For example: My string is: 123456789 nn nn oo nn nn mlm nn203. My target is: nn. Then, I match … Read more How To Use Regular Expressions Do Reverse Search?

Where Am I Messing Up With Output Formatting?

So I got an error message when I tried to run my code and I can't figure out what exactly the p… Read more Where Am I Messing Up With Output Formatting?

Discord.py Error - Clientconnectorcertificateerror

I have an error trying to run my python discord bot. Here's my code: import discord client = d… Read more Discord.py Error - Clientconnectorcertificateerror

Can't Fail Svn Pre-commit Script With Windows Server

I`m writing an SVN pre-commit.bat file which calls a Python script to query our issue tracking syst… Read more Can't Fail Svn Pre-commit Script With Windows Server

Django+nginx+uwsgi = 504 Gateway Time-out

I am running Ubuntu 10.04, Django 1.3, Nginx 0.8.54 and uWSGI 0.9.7. Both Nginx and uWSGI load with… Read more Django+nginx+uwsgi = 504 Gateway Time-out

How Can I Set Cython Compiler Flags When Using Pyximport?

This question (How does one overwrite the default compile flags for Cython when building with distu… Read more How Can I Set Cython Compiler Flags When Using Pyximport?

Converting A 1.2gb List Of Edges Into A Sparse Matrix

I have a 1.2GB list of edges from a graph in a text file. My ubuntu PC has 8GB of RAM. Each line in… Read more Converting A 1.2gb List Of Edges Into A Sparse Matrix

How Can Get ' Usdjpy'(currency Rates) With Pandas And Yahoo Finance?

I am learning and using the pandas and python. Today, I am trying to make a fx rate table, but I go… Read more How Can Get ' Usdjpy'(currency Rates) With Pandas And Yahoo Finance?

Unable To Save Differenent Date Format In Django

I am working on a form and have a date field. I want to save different date format for date field i… Read more Unable To Save Differenent Date Format In Django

Signal Handling In Python

In my program I have a bunch of threads running and I'm trying to interrupt the main thread to … Read more Signal Handling In Python

Why I Can't Re-assign A Variable In A For Loop In Python?

Today I find an interesting fact, that I can't re-assign variable in a 'for loop', but … Read more Why I Can't Re-assign A Variable In A For Loop In Python?

Define Fields Programmatically In Marshmallow Schema

Say I have a Schema like this: class MySchema(Schema): field_1 = Float() field_2 = Float()… Read more Define Fields Programmatically In Marshmallow Schema

Interactively Re-color Bars In Matplotlib Bar Chart Using Confidence Intervals

Trying to shade the bars in this chart based on the confidence that a selected y-value (represented… Read more Interactively Re-color Bars In Matplotlib Bar Chart Using Confidence Intervals

Change Localtime From Utc To Utc + 2 In Python

How I can change this code from localtime UTC to UTC+2. Now hours() function print 13 but I need to… Read more Change Localtime From Utc To Utc + 2 In Python

Qt Designer Pyqt5 Overwrite Closeevent Child Window Don't Work

I have three windows designed in QtDesigner. The main window calls the two childs windows using but… Read more Qt Designer Pyqt5 Overwrite Closeevent Child Window Don't Work

Pyspark Save Dataframe To S3

I want to save dataframe to s3 but when I save the file to s3 , it creates empty file with ${folder… Read more Pyspark Save Dataframe To S3

How To Make Multiple Bar Plots One Within Another Using Matplotlib.pyplot

With reference to the bar chart shown as answer in this link python matplotlib multiple bars I woul… Read more How To Make Multiple Bar Plots One Within Another Using Matplotlib.pyplot

Axes3d.plot_wireframe(x,y,z) Error

I'm trying to learn Python through a tutorial on youtube and I'm having some difficulies wo… Read more Axes3d.plot_wireframe(x,y,z) Error

Accessing Python Dict Keys With Or Without Dict.keys()

Usually I access dict keys using keys() method: d = {'a':1, 'b':2, 'c':3} … Read more Accessing Python Dict Keys With Or Without Dict.keys()

Pip Says Old Version Is Installed After Installing New Version

I uninstalled pip and reinstalled it from get-pip.py, yet it reports the wrong version. C:\>pyth… Read more Pip Says Old Version Is Installed After Installing New Version

Python Pandas Unable To Display Summary Of Large Dataframe

I recently upgraded to pandas version 0.13 and am experiencing this problem where no matter how big… Read more Python Pandas Unable To Display Summary Of Large Dataframe

Django Using Nginx To Serve Static Content

I am trying to configure nginx to serve the static content for my django project on a remote VPS. I… Read more Django Using Nginx To Serve Static Content

What's Wrong With My Vigenere Cypher Encrypt Function?

I get the error string index out of range inside of the encrypt function I don't know how to ge… Read more What's Wrong With My Vigenere Cypher Encrypt Function?

Is There A Way To Stop Input() From Escaping \n?

So I'm trying to allow my user to input \n in a string, to designate a new line. However for so… Read more Is There A Way To Stop Input() From Escaping \n?

Cannot Test Simple Sqlalchemy Model Dataclass: "mapper Mapped Class Could Not Assemble Any Primary Key Columns For Mapped Table"

I have a simple Python script (models.py) to create a Flask-SQLAlchemy app and a simple sqlalchemy … Read more Cannot Test Simple Sqlalchemy Model Dataclass: "mapper Mapped Class Could Not Assemble Any Primary Key Columns For Mapped Table"

Find Element Text Using Xpath In Selenium-python Not Working

html looks like thisI have written this code to scrape all courses from a url. For this I am trying… Read more Find Element Text Using Xpath In Selenium-python Not Working

Group And Combine Items Of Multiple-column Lists With Itertools/more-itertools In Python

This code: from itertools import groupby, count L = [38, 98, 110, 111, 112, 120, 121, 898] groups… Read more Group And Combine Items Of Multiple-column Lists With Itertools/more-itertools In Python

How To Ignore Null Values In Data Frame And Build A New Data Frame Based On A Column

How do I ignore null and None values in a data frame based on ID and frame the data. id A … Read more How To Ignore Null Values In Data Frame And Build A New Data Frame Based On A Column

Partial Derivative Using Autograd

I have a function that takes in a multivariate argument x. Here x = [x1,x2,x3]. Let's say my fu… Read more Partial Derivative Using Autograd

Is Python Bitwise Shift Really Slow?

I must be overlooking something, but really don't see why the Python code is so slow... Countin… Read more Is Python Bitwise Shift Really Slow?

Array Of Tuples In Python

This is driving me nuts. The following code is basically the question. The first part halts almost … Read more Array Of Tuples In Python

Alternative Methods Of Initializing Floats To '+inf', '-inf' And 'nan'

To initialize float constants to +inf, -inf, nan I always use float() called with a string: print(f… Read more Alternative Methods Of Initializing Floats To '+inf', '-inf' And 'nan'

Csv.writerows() Puts Newline After Each Row

This is an example from the O'Reilly Cookbook (truncated dataset) headers = ['Symbol',&… Read more Csv.writerows() Puts Newline After Each Row

Json.dump Not Converting Python List To Js Array

When I attempt to pass a python list through to JavaScript in the template it doesn't parse the… Read more Json.dump Not Converting Python List To Js Array

How To Detect Program Exited In Python On Windows And Do Something On Exit

I want to do something when terminate the python script on windows. # coding:utf-8 import ctypes im… Read more How To Detect Program Exited In Python On Windows And Do Something On Exit

Run Different Classifiers/algorithms In Parallel Using Spark

I have a dataset and I wanted to test different classifiers in parallel using Spark with Python. Fo… Read more Run Different Classifiers/algorithms In Parallel Using Spark

How To Create New Tkinter Window After Mainloop()?

I want to dynamically create Tkinter windows on my screen. I understand that I should only have one… Read more How To Create New Tkinter Window After Mainloop()?

Seaborn Importerror: Dll Load Failed: The Specified Module Could Not Be Found

I am getting the 'ImportError: DLL load failed: The specified module could not be found.' w… Read more Seaborn Importerror: Dll Load Failed: The Specified Module Could Not Be Found

Python - Using Beautifulsoup To Scrape An Espn Table

I'm trying to use BeautifulSoup to scrape the 'Season Stats' table on this page. Is the… Read more Python - Using Beautifulsoup To Scrape An Espn Table

Overloading Str In Python

I have code that looks like the following: class C(str): def __init__(self, a, b): prin… Read more Overloading Str In Python

Numpy - Load Csv With First Row As Names Immediately To A Structured Array?

Is there a way to avoid having to predefine the names of column headers in numpy/pandas to create a… Read more Numpy - Load Csv With First Row As Names Immediately To A Structured Array?

Large-scale Matrix Routing -- Missing Token/api Key Error

I'm trying to use the Large-Scale Matrix API to run some queries using Python 3.7.7. I believe … Read more Large-scale Matrix Routing -- Missing Token/api Key Error