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Showing posts from December, 2023

Inverting Frexp With Ldexp

If I understand the documentation correctly, we should be able to use ldexp to recover a floating p… Read more Inverting Frexp With Ldexp

Typeerror: Unsupported Operand Type(s) For -: 'str' And 'str' In Python 3.x Anaconda

I am trying to count some instances per hour time in a large dataset. The code below seems to work … Read more Typeerror: Unsupported Operand Type(s) For -: 'str' And 'str' In Python 3.x Anaconda

Wrap Callback Function To Include Extra Argument When Caller Verifies Exact Callback Signature

I'm trying to bind multiple callback functions across multiple properties with code that looks … Read more Wrap Callback Function To Include Extra Argument When Caller Verifies Exact Callback Signature

Error Running Theano.test() - Importerror: Dll Load Failed: A Dynamic Link Library (dll) Initialization Routine Failed

I'm trying to get theano up and running on a Windows 10 (x64) machine. I've installed Pytho… Read more Error Running Theano.test() - Importerror: Dll Load Failed: A Dynamic Link Library (dll) Initialization Routine Failed

Estimate Of Inverse Hessian Using Scipy Minimization

I am using SciPy's 'minimize' function to minimize a function. The function returns the… Read more Estimate Of Inverse Hessian Using Scipy Minimization

Substitution In A File Name With Restructuredtext (sphinx)?

I want to create several files from a single template, which differ only by a variable name. For ex… Read more Substitution In A File Name With Restructuredtext (sphinx)?

Python-igraph Number Of Vertices

I am using python-igraph package to create a graph from my edges stored in a file. I use Graph.Read… Read more Python-igraph Number Of Vertices

Headless Chrome Driver Not Working For Selenium

I am current having an issue with my scraper when I set options.add_argument('--headless').… Read more Headless Chrome Driver Not Working For Selenium

Accessing Chunks At Once In A Numpy Array

Provided a numpy array: arr = np.array([0,1,2,3,4,5,6,7,8,9,10,11,12]) I wonder how access chosen … Read more Accessing Chunks At Once In A Numpy Array

Numexpr Not Found In Pandas

I install numexpr package via pip on my Windows 7 machine: pip list | grep numexpr numexpr (2.4.6) … Read more Numexpr Not Found In Pandas

Crawl Website From List Of Values Using Scrapy

I have a list of NPIs which I want to scrape the names of the providers for from npidb.org The NPI… Read more Crawl Website From List Of Values Using Scrapy

How To Make Tabular Legend Using Matplotlib And Python

I am plotting a choropleth map in python from a shapefile and i want to customize the legend of the… Read more How To Make Tabular Legend Using Matplotlib And Python

Benefits Of Twisted-suds - Async Way Of Using Python Suds Soap Lib

I'm using python suds library to make a SOAP client based on a local wsdl file. My goal is to u… Read more Benefits Of Twisted-suds - Async Way Of Using Python Suds Soap Lib

Cannot Determine Type Of File

Hi i have just started learning image processing using python. When i tried to open an image that i… Read more Cannot Determine Type Of File

Pandas: Update Column Values From Another Column If Criteria

I have a DataFrame: A B 1: 0 1 2: 0 0 3: 1 1 4: 0 1 5: 1 0 I want to update each item column … Read more Pandas: Update Column Values From Another Column If Criteria

Callbackqueryhandler Or Conversationhandler For A Message Sent From Bot Class

Using python-telegram-bot, I have a bot running with very similar settings as for the other example… Read more Callbackqueryhandler Or Conversationhandler For A Message Sent From Bot Class

Unable To Use Map Function With Multi-index To Inject Series Into Pandas Dataframe

The Data: data = {'uid':{'0':'abc123','1':'abc123','2&#… Read more Unable To Use Map Function With Multi-index To Inject Series Into Pandas Dataframe

How To Do Relative Imports On App Engine? (python)

I'm trying to do a relative import in App Engine using python. Here is my basic situation: app/… Read more How To Do Relative Imports On App Engine? (python)

Encoding Json Inside Flask Template

I want to use json.dumps() to pretty print JSON inside my app. Currently, my template is set up lik… Read more Encoding Json Inside Flask Template

Python Iterator - For I In [something]

In the Following code: class Box: def __init__(self): self.volume = [] self.ind… Read more Python Iterator - For I In [something]

Adding Many Serializer To A Nested Serializer Field

serializers.py class BusOncomingSerializer(serializers.Serializer): idn = serializers.IntegerFi… Read more Adding Many Serializer To A Nested Serializer Field

Django Send_mail Application - Hook It Up With Yeoman Frontend

I'm using Django as backend and Yeoman as frontend. I'm new to both. My frontend local serv… Read more Django Send_mail Application - Hook It Up With Yeoman Frontend

How Do I Capture Password Prompt

I have the following code (updated to include pexpect): import sys import subprocess import pexpect… Read more How Do I Capture Password Prompt

How Is Tkinter Handling Lambda After Binding Event?

I am trying to write some code that will send the value of an Entry box to a function based on a bi… Read more How Is Tkinter Handling Lambda After Binding Event?

How To Get Exit Code From Subprocess.popen?

With the code below, p.returncode is always None. According to the Popen.returncode documentation, … Read more How To Get Exit Code From Subprocess.popen?

How To Add Two Lists Into Dictionary?

i=['Pin','Type','value'] j=[['abc','input','1234'],… Read more How To Add Two Lists Into Dictionary?

Regex Syntax For Replacing Multiple Strings: Where Have I Gone Wrong?

I have a dataframe with the column 'purpose' that has a lot of string values that I want to… Read more Regex Syntax For Replacing Multiple Strings: Where Have I Gone Wrong?

Anaconda Python Conda Pipbuild Failed With Windowserror Cannot Find File

I recently switched to the Anaconda Python distribution and I'm trying to get the hang of thing… Read more Anaconda Python Conda Pipbuild Failed With Windowserror Cannot Find File

Split An Integer Into Bins

Given a single integer and the number of bins, how to split the integer into as equal parts as poss… Read more Split An Integer Into Bins

What Does It Mean To Import Tensorflow From Source Directory?

I was trying to use TensorFlow in my Anaconda docker container and I got the error: Error importin… Read more What Does It Mean To Import Tensorflow From Source Directory?

How Can I Create A Matlab Struct Array From Scipy.io?

Consider the following Matlab code: pmod(1).name{1} = 'regressor1'; pmod(1).param{1} = [1 … Read more How Can I Create A Matlab Struct Array From Scipy.io?

Permission Denied Error With Subprocess.call()

Im trying to convert some nrrd files to Dicom files,and i have this code snippet NRRD_TO_DICOM = &… Read more Permission Denied Error With Subprocess.call()

Python: Dynamic Interval Data Structure

I am looking for some python code to efficiently compute interval overlaps. I've used the inter… Read more Python: Dynamic Interval Data Structure

Creating A 2d Grid For A Board Game In Python

I'm taking an introductory course to computer science using Python and we were given an exercis… Read more Creating A 2d Grid For A Board Game In Python

Tor Name Not Recognized In Stem

I am trying to follow the 'to russia with love' tutorial (https://stem.torproject.org/tutor… Read more Tor Name Not Recognized In Stem

How To Replace Kivy Widgets On Callback?

I'm new to Python and Kivy, and I'm trying to create multipage display of letters of the br… Read more How To Replace Kivy Widgets On Callback?

Generate Numpy Array Containing The Indices Of Another Numpy Array

I'd like to generate a np.ndarray NumPy array for a given shape of another NumPy array. The for… Read more Generate Numpy Array Containing The Indices Of Another Numpy Array

Trying To Subclass But Getting Object.__init__() Takes No Parameters

I'm trying to subclass web.form.Form from the webpy framework to change the behavior (it render… Read more Trying To Subclass But Getting Object.__init__() Takes No Parameters

Understanding Condition Logic

I'm writing a python program that takes a given sentence in plan English and extracts some comm… Read more Understanding Condition Logic

Using Super() In A Property's Setter Method When Using The @property Decorator Raises An Attributeerror

I am a little confused by the behavior when attempting to overwrite a property in a subclass. The… Read more Using Super() In A Property's Setter Method When Using The @property Decorator Raises An Attributeerror

File Output In Python Giving Me Garbage

When I write the following code I get garbage for an output. It is just a simple program to find pr… Read more File Output In Python Giving Me Garbage

How To Exclude Parent When Serializer Is Nested When Using Django Rest Framework?

I feel like this is probably in the docs but I just can't seem to figure it out. If I've go… Read more How To Exclude Parent When Serializer Is Nested When Using Django Rest Framework?

With-statement And Threading :making Function Execute Before Run

This question is a follow up from following question:With statement and python threading I have bee… Read more With-statement And Threading :making Function Execute Before Run

Indexerror: Why Am I Out Of Range?

I've been reading other answers for 'Index out of range' questions, and from what I und… Read more Indexerror: Why Am I Out Of Range?

Most Efficient Way To Remove Non-numeric List Entries

I'm looking to 'clean' a list by excluding any items which contain characters other tha… Read more Most Efficient Way To Remove Non-numeric List Entries

Providing Constraints In Pymoo Optimisation

I have an objective function which looks like: f1 = -1 * (constant1 * (variable1 - constant2)) And… Read more Providing Constraints In Pymoo Optimisation

Python Return A List From A Recursive Function

I'm coding a program, a part of the program is that I want to create a list with all the substr… Read more Python Return A List From A Recursive Function

Dictionary With Some Mandatory Keys As Function Input

I have a function that has a dictionary as an argument. I will pass various dictionaries to it that… Read more Dictionary With Some Mandatory Keys As Function Input

How To Delete Some Characters From A String By Matching Certain Character In Python

i am trying to delete certain portion of a string if a match found in the string as below string = … Read more How To Delete Some Characters From A String By Matching Certain Character In Python

Python Image Filtering With Pil And Numpy Too Slow

I'm trying to implement the simpliest Gauss filter in Python with PIL and Numpy. All works fine… Read more Python Image Filtering With Pil And Numpy Too Slow

Calling `logging` Interferes Other Modules

Say I have the following a.py which calls b.py b.py import logging logging.info('11111 in b&… Read more Calling `logging` Interferes Other Modules

How Do I Count The Values From A Pandas Column Which Is A List Of Strings?

I have a dataframe column which is a list of strings: df['colors'] 0 ['bl… Read more How Do I Count The Values From A Pandas Column Which Is A List Of Strings?

Parser For Pipfiles (get A List Of All Packages Used In A Pipfile)

Is there any parser out there for reading in a Pipfile and returning a list of all packages used in… Read more Parser For Pipfiles (get A List Of All Packages Used In A Pipfile)

Send A "304 Not Modified" For Images Stored In The Datastore

I store user-uploaded images in the Google App Engine datastore as db.Blob, as proposed in the docs… Read more Send A "304 Not Modified" For Images Stored In The Datastore

Manage Pyodbc Memory Usage

I am using pyodbc (3.0.7) to retrieve data from a SQL Server database. My OS is windows 7 and pytho… Read more Manage Pyodbc Memory Usage

Why The Get Request In Flask Is Called Twice?

Consider this simple hello world flask example. from flask import Flask app = Flask(__name__) @ap… Read more Why The Get Request In Flask Is Called Twice?

Python Xpath Not Working?

Okay, this is starting to drive me a little bit nuts. I've tried several xml/xpath libraries fo… Read more Python Xpath Not Working?

Calculator 7 Segment Display W/ Width

I need to write a program to make a seven segment display. It will work like this: def numbers(numb… Read more Calculator 7 Segment Display W/ Width

Python "while X:" Statement

Why the following while loop is exited when x reaches 0? x = 1 while x: print(x) x -= 1 It… Read more Python "while X:" Statement

How To Get All Children, Grandchildren, ... From This List?

I've items in a parent-child-relation. Every child knows its parent but a parent doesn't kn… Read more How To Get All Children, Grandchildren, ... From This List?

Format Date With Month Name In Polish, In Python

Is there an out of the box way to format in python (or within django templates), a date with full m… Read more Format Date With Month Name In Polish, In Python