Latest Questions

i want to make urls

1.Link is "https://www.xyz.{country}/dp/{asin}" 2.I have to pick two things from csv file which country and asin. CSV file contains : Asin Country 0

Simplification code to avoid if else division problem

I would like to make an optimisation by avoiding to use theIf else i used this element because when E = 0in the logic of my probelm B = [0 0 0 0 0]. By consequ

Polymorphic list elements in Spring configuration?

Is there an easy way to have polymorphic list elements in a configuration? E.g. for the following application.yaml: Vehicles: one: type: Bicycle id: 4

Error installing pyQt5: error: metadata-generation-failed

I was tring to install PyQt5 and a get this error: note: This error originates from a subprocess, and is likely not a problem with pip. error: metadata-generati

Subset rows of a table if they contain a specific character vector

I know this is a common question and I've read through many other stackoverflow entries but I am still stuck, apologies! I'm a beginner to R (still!). I have an

Sort List<Object> by month name in Java

I am having following data in ArrayList in Java. I am trying to sort it by month in a year. It should sort by December, November, and so on. I have tried differ

Threading and Tkinter - How to use the threading module with my simple example?

I don't understand how to use the threading module properly. In this example I have two tkinter widgets, a button and a progress bar. The progress bar (configur

What is big O of this pseudocode?

For this pseudocode, what would be big O of this: BinarySum(A, i, n) { if n=1 then return A[i] // base case return BinarySum(A, i, n/2) + Binar

What is an undefined reference/unresolved external symbol error and how do I fix it?

What are undefined reference/unresolved external symbol errors? What are common causes and how to fix/prevent them?

Additive deserializing with Serde

I'd like to additively deserialize multiple files over the same data structure, where "additively" means that each new file deserializes by overwriting the fiel

How to post multiple images to mastodon using api with bash curl

I'm starting to learn to use rest api via bash curl by writing a simple mastodon bot. I can attach multiple images using curl https://example.com/api/v1/statuse

Assign value only when key is a valid property of a type in TypeScript [duplicate]

I have a type, e.g.: type Output = { fieldA?: string; fieldB?: string; } And I have an object, e.g.: const input = { fieldA: "A", fie

How to upload into and download from SQLite database doc file in C# .NET?

I have decided to develop desktop program with usage of SQLite datatbase and with help of C# programming language. One of the necessary functions that must be p

Permission denied when trying to open a PDF file (in the default PDF viewer) from an Android app

My app has "Files and media: Allow management of all files" permission. However, when I try to open a PDF file LogCat reports the following errors: 2022-04-20

I get error when running npm start in vs code

(node:6852) [LRU_CACHE_OPTION_maxAge] DeprecationWarning: The maxAge option is deprecated. please use options.ttl instead (Use `node --trace-deprecation ...` to

Can using volatile affect the behavior of simple property checking system?

I'm maintaining a project where someone has suggested that we make some variables volatile. I'm trying to understand if it's needed at all (or could be needed).

object segmentation using mean shift

i have this image: I am interested to do segmentation only in the objects that appear in the image so i did something like this import numpy as np import cv2 fr

conda package on Nexus Repository

My company uses Nexus repository as npm proxy for package management. Does anyone have experience using Nexus to hold Conda packages (Python) and for proxy? In

Clojure - How to connect to MongoDB/DocumentDB via TLS Connection using Monger

I am not able to connect via TLS and monger to an AWS DocumentDB database. I downloaded the PEM file from AWS and added it to a new keystore file keytool -impor

is installing mongodb on cpanel reliable?

CPanel says that it does not support mongo installation but I can install it manually. My question is should I install it or just subscribe mongo atlas and conn

Filter list inside the list of objects

I have a following list of objects: List<Parent> parents = new(); Parent contains List<Children> list of children. What I want is to filter list of

What is a NullPointerException, and how do I fix it?

What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them? What methods/tools can be used to determine the cause

Failed to connect to the bus: Address does not contain a colon

I'm getting this error when my circleci job is building my cypress test: [432:0312/154643.301773:ERROR:bus.cc(392)] Failed to connect to the bus: Failed to con

Append lines separated by comma while preserving the existing new line

Bash script used: #!/bin/bash set -xv IS=$'\n' list=$(cat exlist_sample | xargs -n1) for i in $list; do echo "$i" | rev > slist echo "$i" >> z

How to prevent Jest from combining results?

I currently have two jest test cases the first one passes, but the second fails because its adding the sum of the previous case to that one test('Subtotal to be

Python: extracting specific values out an numpy array of indices

I have a numpy array of indices. For example: indices = np.array([0, 1, 2, 6, 7, 9, 12, 13, 14]) I would like to make an array signals = np.zeros(np.amax(indi

how to get AWS SMS publish results in code

I've scoured the AWS documentation to see if there is a a way to get the SMS delivery log via code, but i'm at a miss, I can get the logs via cloud watch but I

Is it possible to connect a PHPmyAdmin database using Angular and Postman?

this is my first time using StackOverflow and I don't know how this works but I'll be quick and short. So, I'm in an internship and I'm learning Angular and I o

Deploy a specific MarkLogic Database configuration using ml-gradle

Is there a CLI argument or parameter to deploy configuration of a particular database instead of deploying all the database configurations under src/main/ml-con

Apply Power Query to all columns

I have a Power query that finds and replaces values listed in a table that I work through from here Bulk Find And Replace In Power Query But I need to apply it