Latest Questions

Redis replication - Failed to resolve hostname

I am trying to setup a redis replication cluster with 3 redis servers (1 primary and 2 replicas) and 3 redis sentinels. One server and database pair will exist

Adding srt to mkv doesnt work if a file has an image attached

I'm trying to add an srt subtitle to an mkv file, but it doesn't work as expected, unless I omit the stream with poster image. The command I originally used: ff

Django, django-filter and pagination

my goal is to have a 'user_profile' page that displays relevant information of the user of interest. Furthermore, the 'user_profile' page should include all the

Scrapy with Python in Visual Studio Code

Hello to all the community! I'm training in Python (DAW + Web Scraping). I am currently trying to run my code but, the problem I "see" is that the .csv comes ou

Why original root is not changing in main function (Flatten Binary Tree to Linked List)? [duplicate]

https://leetcode.com/problems/flatten-binary-tree-to-linked-list/ i am talking about function "flatten", I know i can do it without making ano

summarize_at() for colums with backslash not working

I have a given df which has some column names that include a "/" (e.g. "Province/State" and "Country/Region"). I want to first group the df by "Country/Region"

How to properly parallelizing a for-loop in python with shared variables?

This is my first attempt for multiprocessing in python and I am having hard time finding a fast solution for parallelizing my code. I do my best to explain my s

having equal item heights in a column

I want to have such a gallery, with the thumbnails having the equal height along the main column, despite the different height of the images. i tried having a &

Regular Expressions: Strings of an even length in which all the 'o’s (if any) come before all the 'g’s (if any)

I'm pretty new to regular expressions so I could use some help. Right now I have: (oo|og)+(oo|gg|og|go)* for the alphabet = {o,g} which I made from a previous t

Efficient algorithm for finding matching regular expressions given some text

I have a large set (tens of thousands) of regular expressions defined by text and star symbol (matching subsequent characters 0 or more times). Given some text

Terraform split/join/list

I recently found the following line of terraform in our code (some values sanitized): subnet_ids = [ "${split(",", var.xxx_lb ? join(",", data.yyy_ids.private.i

React useEffect infinite loop when using dependencies + cleanup

I know this question gets asked a lot, but from the answers I could find I saw: either no cleanup function in useEffect (so not my use case) people not using de

django multiple table query

I have a form for filling out lessons that I want to limit who the students can select as their teacher to only confirmed connections. I have three models: cla

how to set up the environment for the v142 for Visual studio 2019 using Cmd prompt

I am not able to build project , i am getting this error in cmd prompt(attached screenshot), please anyone can help me to resolve this issue!! Ps: I have instal

convert date shamsi to miladi in js

I have a date in this format 1379/10/02 Now I want to turn this date into AD That is, the date 2000/4/29 I also use the momentJs library Please help me if possi

What information is stored in the magnitudes of normal map vectors in UE5?

As I understand it, normal maps simply describe the direction that the surface "faces". As such, it does not make much sense to me for these vectors to have a m

Converting a Raw String back to Hex Characters

I have a series of hex characters that I've needed to convert to a raw string in order to apply a modification to it: chars = r"\x01\x02\x03\x04\x05\x06\x07\x08

Remove the unnecessary padding inside the HTML Table Cells, which is being generated from Python script

I have a python script which dynamically generates a HTML Table according to some specifications provided to it. A sample generated output is given below, As y

How to draw in Cinder concurrently?

I'm trying to launch 4 standard C++ threads, each drawing a line, but an abort() gets called in runtime. I try to adhere to this example, pass over the GL drawi

How can I host Django with celery on cpanel?

I am confused if I can host my django with celery project on cpanel or not.If yes, How?

Cordova vs Ionic-Capacitor for WebGL (three.js) - Android App

I'm porting a web desktop-application I made some years ago, to Android. The application lets you configure the structure of a cemetery and everything related t

Select the number of elements in each group before calculating the mean

I have a dataframe df with one column only. The data is monthly. The data type is float. The index is dates with the 'start of month' format. Sample data is her

Marshmallow Field not loading default value

I have a Marshmallow Schema defined as: class MySchema: myfield = fields.Str(required=False, default=“value”) When I do: s = MySchema().load({

pdo lastInsertId() returning 0

my pdo last insert id returns 0 here is the code $bdd->beginTransaction(); $requete = $bdd->prepare('INSERT INTO reservation (code_salle,date_res,code_c

Best practices for using SQLAlchemy with multiprocessing

I have a class which creates a SQLAlchemy engine object. (I've left out some of the config args and replaced with <> tags). class DBClient: def __init

How to extract Data from Cdata in XML (WP All Import)

Hi I'm using WP All Import to process an XML Feed of events. The feed does not include the venue as a separate path but in CDATA which looks like this: <name

Why isn't pyautogui tracking the coordinates of my mouse?

I've tried everything and pyautogui isn't tracking my mouse in pycharm I've tried: import pyautogui print(pyautogui.position()) import pyautogui while True:

How do I arrange an HTML/CSS grid so that elements first go in a row and then move to the next depending on page width?

An image of what I have currently (Images here are used as placeholders; they won't be in the final product (Most of the CSS code and some of the HTML code are

How does the industry embed long lengths of text in html?

My main question is how does the industry deal with large amounts of text in HTML tags? I am creating my first website for a blog I want to start and I have all