Skip to content Skip to sidebar Skip to footer
Showing posts from December, 2023

Elegant Way To Remove Fields From Nested Dictionaries

I had to remove some fields from a dictionary, the keys for those fields are on a list. So I wrote … Read more Elegant Way To Remove Fields From Nested Dictionaries

Cannot Use Fillna When A Condition Is Introduced

I am very new to python. Trying to do some imputation in my data. however, I could not manage. Here… Read more Cannot Use Fillna When A Condition Is Introduced

Fail To Implement Cardano Method. Cube Root Of A Complex Number

In order to improve np.roots performance on cubic equation, I try to implement Cardan(o) Method : d… Read more Fail To Implement Cardano Method. Cube Root Of A Complex Number

Fetch Data Of Variables Inside Script Tag In Python Or Content Added From Js

I want to fetch data from another url for which I am using urllib and Beautiful Soup , My data is i… Read more Fetch Data Of Variables Inside Script Tag In Python Or Content Added From Js

How To Get Average Of Same Word More Than X Time Per Group?

How can I get the average of same word more than 4 times per group ? In other words: I want to calc… Read more How To Get Average Of Same Word More Than X Time Per Group?

In Python When Threads Die?

I have a service that spawns threads. And i may have a leak of resources in a code i am using. I ha… Read more In Python When Threads Die?

Equivalent From Matlab To Python

I just have started with Python and I would translate this example from MATLAB to Python, but I hav… Read more Equivalent From Matlab To Python

Unable To Change The Tick Frequency On My Chart

I have seen many questions on changing the tick frequency on SO, and that did help when I am buildi… Read more Unable To Change The Tick Frequency On My Chart

Show Matplotlib Imshow Output In Qt

I have a 2D numpy array of type np.float64, and I want to show it as an image in a QLabel (or any o… Read more Show Matplotlib Imshow Output In Qt

Installing Opencv In Python3.3

I'm trying to install OpenCV in python 3.3.2 and Ubuntu 12.04. I've followed this tutorial … Read more Installing Opencv In Python3.3

Subclassing Sklearn Linearsvc For Use As Estimator With Sklearn Gridsearchcv

I am trying to create a subclass from sklearn.svm.LinearSVC for use as an estimator for sklearn.mod… Read more Subclassing Sklearn Linearsvc For Use As Estimator With Sklearn Gridsearchcv

Python Trouble Using Escape Key To Exit

I'm having trouble with the following code. It seems to respond to the escape key but it freeze… Read more Python Trouble Using Escape Key To Exit

Is It A Convention To Prefix Private Classes With Underscores?

I have seen code in which functions/constants are prefixed with underscores. My understanding is th… Read more Is It A Convention To Prefix Private Classes With Underscores?

Quick Way To Access First Element In Numpy Array With Arbitrary Number Of Dimensions?

I have a function that I want to have quickly access the first (aka zeroth) element of a given Nump… Read more Quick Way To Access First Element In Numpy Array With Arbitrary Number Of Dimensions?

Why Is Scipy's Ndimage.map_coordinates Returning No Values Or Wrong Results For Some Arrays?

Code Returning Correct value but not always returning a value In the following code, python is retu… Read more Why Is Scipy's Ndimage.map_coordinates Returning No Values Or Wrong Results For Some Arrays?

Tkinter Gui To Convert Fixed Width File To Delimited File

I am writing a converter code for our Data Department to convert fixed width files into delmited fi… Read more Tkinter Gui To Convert Fixed Width File To Delimited File

Why Does Comparing To Nan Yield False (python)?

Here, I have the following: >>> import numpy as np >>> q = np.nan >>> q … Read more Why Does Comparing To Nan Yield False (python)?

How To Set Interpreter Of Winpython As The Vim Default Python Interpreter?

I use a Python distribution named WinPython. Now I want my vim to use the python interpreter in Win… Read more How To Set Interpreter Of Winpython As The Vim Default Python Interpreter?

Convert Json File To Pandas Dataframe

I would like to convert a JSON to Pandas dataframe. My JSON looks like: like: { 'country1&#… Read more Convert Json File To Pandas Dataframe

Sqlalchemy Joined Inheritance Query Based On Mixin Column

I have a declarative class structure that looks like this: class BaseClass(Base): Column A … Read more Sqlalchemy Joined Inheritance Query Based On Mixin Column

Python Selenium Print Out Value Of Textfield Is Showing Empty. The Value Is Not Printing

I am trying to print out the value of a textfield to the console. The webpage has the value 1,000.0… Read more Python Selenium Print Out Value Of Textfield Is Showing Empty. The Value Is Not Printing

Finding A Consecutive 'true' Boolean Values In A List

list=[False, True,True,False,False,True, True] In that list, I want to find the starting position … Read more Finding A Consecutive 'true' Boolean Values In A List

Flask-login Shows 401 Instead Of Redirecting To Login View

Using Flask-Login, I want to require login for some views. When I try to access a view that is dec… Read more Flask-login Shows 401 Instead Of Redirecting To Login View

Find Element By Link Text (ignore Symbols In String) In Python

I am trying to match the string on the web with the string i am passing. String on the web is conta… Read more Find Element By Link Text (ignore Symbols In String) In Python

Opening A Url With Urllib In Python 3

i'm trying to open the URL of this API from the sunlight foundation and return the data from th… Read more Opening A Url With Urllib In Python 3

'dict' Object Has No Attribute 'read'

Running Python on a Windows system I encountered issues with loading a JSON file into memory. What … Read more 'dict' Object Has No Attribute 'read'

Python Using Derived Class's Method In Parent Class?

Can I force a parent class to call a derived class's version of a function? class Base(object):… Read more Python Using Derived Class's Method In Parent Class?

Call To Several Batch Files Through Cmd Doesn't Block

I'm trying to call several install.bat files one after another with Python trough CMD. It is ne… Read more Call To Several Batch Files Through Cmd Doesn't Block

How Do I Return All Memcached Values In Google App Engine?

I want to use all the data in my python app engine memcache. I do not know the keys in advance. Ho… Read more How Do I Return All Memcached Values In Google App Engine?

Return Value From Wxpython Main Frame

i am facing some issues to get return value from wxpython main fram. my script: import wx import w… Read more Return Value From Wxpython Main Frame

In Python, How To Convert A Hex Ascii String To Raw Internal Binary String?

In python, how to convert a hex ASCII string to binary string? Example: 01000001B80001020304050607… Read more In Python, How To Convert A Hex Ascii String To Raw Internal Binary String?

Call Api For Each Element In List

I have a list with over 1000 IDs and I want to call an API with different endpoints for every eleme… Read more Call Api For Each Element In List

I Want To Subclass Dict And Set Default Values

I have a need to create a special subclass of dict. In it I want to set default values for a set o… Read more I Want To Subclass Dict And Set Default Values

Python Convert List To Dict With Multiple Key Value

I have a list something like below and want to convert it to dict my_list = ['key1=value1',… Read more Python Convert List To Dict With Multiple Key Value

Scipy.integrate.ode Gives Up On Integration

I am encountering a strange problem with scipy.integrate.ode. Here is a minimal working example: im… Read more Scipy.integrate.ode Gives Up On Integration

In Python, How Can I Raise A Square Matrix Represented As A Numpy.ndarray To Non-integer Powers?

Assume I have a square matrix which can be raised to the -1/2 power. I want to raise the square ma… Read more In Python, How Can I Raise A Square Matrix Represented As A Numpy.ndarray To Non-integer Powers?

Python: Recursive Check To Determine Whether String Is A Palindrome

My task is to define a procedure is_palindrome, that takes as input a string, and returns a boolean… Read more Python: Recursive Check To Determine Whether String Is A Palindrome

Numpy: Find Index In Sorted Array (in An Efficient Way)

I would like to sort a numpy array and find out where each element went. numpy.argsort will tell me… Read more Numpy: Find Index In Sorted Array (in An Efficient Way)

Pyspark: Ship Jar Dependency With Spark-submit

I wrote a pyspark script that reads two json files, coGroup them and sends the result to an elastic… Read more Pyspark: Ship Jar Dependency With Spark-submit

Django On Production For Post Request Throws Server Error(500) On Compute Engine

I have deployed my Django 1.10 with python 3.6 Project on Google compute engine when I have changed… Read more Django On Production For Post Request Throws Server Error(500) On Compute Engine

Compiling Python To Native Code?

Possible Duplicate: Is it feasible to compile Python to machine code? Is it possible to compile Py… Read more Compiling Python To Native Code?

Attributeerror: 'options' Object Has No Attribute 'binary' Error Invoking Headless Firefox Using Geckodriver Through Selenium

options = FirefoxOptions() options.add_argument('--headless') driver = webdriver.Firefox(… Read more Attributeerror: 'options' Object Has No Attribute 'binary' Error Invoking Headless Firefox Using Geckodriver Through Selenium

How Do I Fill A List In Python With User-defined Class Instances?

So I'm trying to fill a list with instances of a class that I defined myself, but I keep gettin… Read more How Do I Fill A List In Python With User-defined Class Instances?

Create Content Snippet With Jinja Filter

I want to create content snippets for my home page. An example post looks something like Your favo… Read more Create Content Snippet With Jinja Filter

No Module Named ... In Pycharm (import Error)

I am using PyCharm on MAC to import some packages by import pymongo import bson However the error … Read more No Module Named ... In Pycharm (import Error)

How To Get A Subset Of Rows From A Numpy Matrix Based On A Condition?

How to return a set of rows of a NumPy Matrix that would match a given condition? This is a Numpy M… Read more How To Get A Subset Of Rows From A Numpy Matrix Based On A Condition?

Convert Json Nested List Of Dict To Dataframe

How can I convert the following list of dicts (json output) to a pandas DataFrame. I tried res = {}… Read more Convert Json Nested List Of Dict To Dataframe

Ipywidgets Widgets Values Not Changing

I am trying to get output from my ipywidgets widgets in Microsoft Azure Notebooks running Jupyter N… Read more Ipywidgets Widgets Values Not Changing

Python3 Smtp Valueerror: Server_hostname Cannot Be An Empty String Or Start With A Leading Dot

import smtplib smtp = smtplib.SMTP() smtp.connect('smtp.gmail.com','587') (220, b&#… Read more Python3 Smtp Valueerror: Server_hostname Cannot Be An Empty String Or Start With A Leading Dot

How To Display A Cv2 Video Inside A Python Gui?

I'm creating a GUI using Python/PyQt5 which should display a video along with other widgets in … Read more How To Display A Cv2 Video Inside A Python Gui?