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Showing posts from June, 2024

How To Share Array Of Objects In Python

I have a function in which I create a pool of processes. More over I use multiprocessing.Value() an… Read more How To Share Array Of Objects In Python

Difference In Behavior Between Os.fork And Multiprocessing.process

I have this code : import os pid = os.fork() if pid == 0: os.environ['HOME'] = 'r… Read more Difference In Behavior Between Os.fork And Multiprocessing.process

How To Improve This Adaptive Trapezoidal Rule?

I have attempted an exercise from the computational physics written by Newman and written the follo… Read more How To Improve This Adaptive Trapezoidal Rule?

Django: List Products Of Each Categories In A Page

I have a few categories and I would like to list the products per category in the format below (cat… Read more Django: List Products Of Each Categories In A Page

Neo4j / Py2neo -- Cursor-based Query?

If I do something like this: from py2neo import Graph graph = Graph() stuff = graph.cypher.execute(… Read more Neo4j / Py2neo -- Cursor-based Query?

How To Catch Exception From A System() Command In Python

I have a system() command and I want to catch the exception it may generate. The code that I have i… Read more How To Catch Exception From A System() Command In Python

How To Create A Dictionary Of The Contents Of An Excel Spreadsheet?

I'm attempting to build a dictionary in Python based off the contents of an Excel spreadsheet f… Read more How To Create A Dictionary Of The Contents Of An Excel Spreadsheet?

Comparing/combining Two Dictionaries

I have two dictionaries with key-value pairs as follows: dict-1 ch:23, 100 ch:24, 95 dict… Read more Comparing/combining Two Dictionaries

Unable To Install Extension 'ms-python.python' As It Is Not Compatible With Vs Code '1.39.2'

Due to the company policy, I cannot upgrade the vs code version. My vs code version is 1.39.2. I w… Read more Unable To Install Extension 'ms-python.python' As It Is Not Compatible With Vs Code '1.39.2'

Implementing Retry For Requests In Python

How do I implement a retry count of 5 times, 10 seconds apart when sending a POST request using the… Read more Implementing Retry For Requests In Python

Concurrent Payment Control

When I click on 'Place Order' I have begun the transaction and set the column is_payment_pr… Read more Concurrent Payment Control

Matplotlib Figure Stucked (grey Window)

I have been having some trouble with matplotlib since I started using python. When I use the intera… Read more Matplotlib Figure Stucked (grey Window)

Using Hadoop To Run A Jar File - Python

I have an existing Python program that has a sequence of operations that goes something like this: … Read more Using Hadoop To Run A Jar File - Python

Getting All Possible Value Combinations

For an automatic test thing, I have a class with ~15 parameters. I want to automatically generate i… Read more Getting All Possible Value Combinations

Qt Designer Ui (python) To Json

I recently started using qt to build a python GUI. I have two problems I can't quite find the s… Read more Qt Designer Ui (python) To Json

How Does One Reorder Information In An Xml Document In Python 3?

Let's suppose I have the following XML structure: Solution 1: I'm not going to give you th… Read more How Does One Reorder Information In An Xml Document In Python 3?

How To Resize An Image To Fit The Label Size? (python)

My aim is to create a random country generator, and the flag of the country that is picked will app… Read more How To Resize An Image To Fit The Label Size? (python)

Plotting With Time Axis (python)

I ran into a problem again thats causing me headache for several hours already...and I'm pretty… Read more Plotting With Time Axis (python)

Pandas: Calling Df.loc[] From An Index Consisting Of Pd.datetime

Say I have a df as follows: a=pd.DataFrame([[1,3]]*3,columns=['a','b'],index=['… Read more Pandas: Calling Df.loc[] From An Index Consisting Of Pd.datetime

How To Get Handle For A Specific Application Window In Python Using Pywin32?

I am attempting to modify some Python code that takes a screenshot of a particular application wind… Read more How To Get Handle For A Specific Application Window In Python Using Pywin32?

Tell Me How To Access Oracledb From Raspberry Pi Through Query

The problem is the link between raspberry pie and Oracle database. We've tried a lot of things … Read more Tell Me How To Access Oracledb From Raspberry Pi Through Query

Retrieve Data From Db & Set To Textinput Fields And Image Widget In Kivy For A Multiscreen App! Attributeerror

I'm learning kivy by cobbling together a small application to understand the behavior of differ… Read more Retrieve Data From Db & Set To Textinput Fields And Image Widget In Kivy For A Multiscreen App! Attributeerror

Python: Cross-platform Solution To Detect Physical Non-ht Cpus?

I'm trying to detect the number of non-HyperThreading cores on a machine using a cross-platform… Read more Python: Cross-platform Solution To Detect Physical Non-ht Cpus?

Detecting Value Crossing Between Columns In Pandas

Let's say I have the following dataframe: df = pd.DataFrame({'a': [10, 20, 30, 40, 50],… Read more Detecting Value Crossing Between Columns In Pandas

String Storage In Python Class Includes Newline Character

I have an output class that looks like the following (somewhat redacted): from colorclass import Co… Read more String Storage In Python Class Includes Newline Character

Sk Learn Countvectorizer: Keeping Emojis As Words

I am using Sk Learn CountVectorizer on strings but CountVectorizer discards all the emojis in the t… Read more Sk Learn Countvectorizer: Keeping Emojis As Words

How To Execute Tests With Selenium Webdriver While Browser Is Minimized

I try to run this program. it works fine with codes, however when I minimized the browser, error po… Read more How To Execute Tests With Selenium Webdriver While Browser Is Minimized

Trouble With Classes And Functions

I'm basically writing a module for a basic pygame drawing app. im using a Tk window to get the … Read more Trouble With Classes And Functions

How To Skip The Extra Newline While Printing Lines Read From A File?

I am reading input for my python program from stdin (I have assigned a file object to stdin). The n… Read more How To Skip The Extra Newline While Printing Lines Read From A File?

How Do Merge 2 Lists Of Different Lengths In Python

In Python 3, I'm looking got merge 2 lists of different lengths. I've went through a lot of… Read more How Do Merge 2 Lists Of Different Lengths In Python

Making A Pause Screen

Im trying to make a pause screen function but the images shutter and appear with a good delay. Any … Read more Making A Pause Screen

If Else Not Checking Both Of The Conditions In Python

i want new column ['pred_n'] to be created based on certain condition, condition is as foll… Read more If Else Not Checking Both Of The Conditions In Python

Can I Show The Different Methods Of Death Penalties As Well As Predict Future Years

I would like to be able to predict the rise/fall in death penalties for this dataset below This is … Read more Can I Show The Different Methods Of Death Penalties As Well As Predict Future Years

Pandas To_csv With Multiple Separators

I want to convert a pandas dataframe to csv with multiple separators. Is there a way? dataframe.to_… Read more Pandas To_csv With Multiple Separators

Create An Anonymous Class Instance In Python

Sometimes i need to create an anonymous class instance in python, just like c#: var o= new {attr1=&… Read more Create An Anonymous Class Instance In Python

Word2vec - Get Rank Of Similarity

Given I got a word2vec model (by gensim), I want to get the rank similarity between to words. For e… Read more Word2vec - Get Rank Of Similarity

Plot 3d Convex Closed Regions In Matplotlib

I am trying to plot in 3D a polytope defined by a set of inequalities. Essentially, I try to reprod… Read more Plot 3d Convex Closed Regions In Matplotlib

Catching Custom Exceptions Raised In Flask Api. All Exceptions Raised End Up In 500 Error

I want to be able to raise validation and other exceptions in my API and catch them in a wrapped vi… Read more Catching Custom Exceptions Raised In Flask Api. All Exceptions Raised End Up In 500 Error

Redis - Error: Value Is Not A Valid Float

I have a sorted set in Redis. I am trying to update the counter value of a specific element by usin… Read more Redis - Error: Value Is Not A Valid Float

Installing Pymssql In Centos 6.6 64-bit

I'm trying to pip install pymssql in my Centos 6.6, but kept on experiencing this error: _mssq… Read more Installing Pymssql In Centos 6.6 64-bit

Looping Through Dictionary Built From Csv And Write Certain Key Values To File

I am trying to open a file and read it into a dictionary. I've done this successfully, but I ne… Read more Looping Through Dictionary Built From Csv And Write Certain Key Values To File

How To Import Multiple Python Modules From Other Directories

Python newbie here. Any and all help on python structure would be much appreciated! MAIN QUES: How… Read more How To Import Multiple Python Modules From Other Directories

Azure Put Blob Api Returns With A Non-matching Size Of File In Canonicalized Header

I am trying to upload a blob (pdf) file from my laptop to a container in Azure storage account. I f… Read more Azure Put Blob Api Returns With A Non-matching Size Of File In Canonicalized Header

How To Get The Last Table From This Site?

I'm trying to get the last table from this site with python. Below you find my actual trying to… Read more How To Get The Last Table From This Site?

Tcl/tk Version In Python Installation

I need the help of those who familiar with Python-Tcl/tk bundle. I cannot start IDLE IDE for Pytho… Read more Tcl/tk Version In Python Installation

How Do I Make Bind And Command Do The Same Thing In Tkinter?

I have a tkinter GUI with an entry field and a validation button. I'd like to call the same fun… Read more How Do I Make Bind And Command Do The Same Thing In Tkinter?

How To Convert A String To Bson?

I have a string like this: document = '{ time : 14/09/19 16:00:00, global : { full:190 , def… Read more How To Convert A String To Bson?

Problem In Parsing The Xml File: Xml.etree.elementtree.parseerror: Not Well-formed (invalid Token): Line 19, Column 175

I need to parse an XML file with multiple roots but I am unable to read the file. I get an error T… Read more Problem In Parsing The Xml File: Xml.etree.elementtree.parseerror: Not Well-formed (invalid Token): Line 19, Column 175

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)

Is There A Way To Improve Speed With For Loops

I am needing to POST a series of XML elements (could be a varying amount per call). I am using Req… Read more Is There A Way To Improve Speed With For Loops

Pyinstaller Permissionerror: [errno 1] Operation Not Permitted: '/users/user_name/dist/

Every time I run pyinstaller in the terminal I get the following error: PermissionError: [Errno 1] … Read more Pyinstaller Permissionerror: [errno 1] Operation Not Permitted: '/users/user_name/dist/

Pandas: How To Import "horse-colic.data", A Space Separated Data File?

I am trying to import 'data' file horse-colic dataset. the content in the file looks like 2… Read more Pandas: How To Import "horse-colic.data", A Space Separated Data File?

Python How To Multiply Results From Input Strings

I'm a programming beginner trying to learn Python. I'm trying to complete the following exe… Read more Python How To Multiply Results From Input Strings

Count Substring In String Column Using Spark Dataframe

I have a Spark dataframe with a column (assigned_products) of type string that contains values such… Read more Count Substring In String Column Using Spark Dataframe

Advice With A File Program Asking For The Largest Number

the assignment this time around deals with using files. 'Assume that a file containing a series… Read more Advice With A File Program Asking For The Largest Number

Numpy Get 2d Array Where Last Dimension Is Indexed According To A 2d Array

I did read on numpy indexing but I didn't find what I was looking for. I have a 288*384 image, … Read more Numpy Get 2d Array Where Last Dimension Is Indexed According To A 2d Array

Execute External Script In Extendscript For Illustrator

Summary: Is there a way to use the execute() function to pass a parameter to a Python script, and h… Read more Execute External Script In Extendscript For Illustrator

Does Django Rest Framework Have Third Party Apps To Auto Generate Swagger.yaml File?

I have large amount of API endpoints written in django-rest-framework and it keeps increasing and u… Read more Does Django Rest Framework Have Third Party Apps To Auto Generate Swagger.yaml File?

How To Perform Efficient Queries With Gensim Doc2vec?

I’m working on a sentence similarity algorithm with the following use case: given a new sentence, I… Read more How To Perform Efficient Queries With Gensim Doc2vec?