Latest Questions

Match the column value of a dataframe to another, and if no match, the old value stays as it is

I have dataframe A like this: Sample1 Salmon Mouse Rooster Monkey My dataframe B is like below: Sample1 Sample2 Rooster Bird Mous

How to use react-select-table's rows as options to react-select's input field

I have an input field that should accept multiple inputs from options that are already set. - This input field needs to appear like tag input fields so I used t

jq: error (at <stdin>:1): null (null) cannot be matched, as it is not a string

$ jq '.y | gsub(","; "-")' <<< '{"y": "a,b"}' "a-b" $ jq '.y | gsub(","; "-")' <<< '{"x": "a"}' jq: error (at <stdin>:1): null (null) ca

I am trying to make a smart contract transaction. My transactions never gets mined

I have a smart contract deployed. Whenever I try to perform a transaction, the transaction starts, but that's it. The transaction never actually takes place (or

Facebook account linking via Amazon Cognito Userpool

I'm trying to implement account linking with Cognito userpool as the IdP. I'm facing the redirect mismatch error when I click the log in button which redirects

python workaround gpiozero when_motion with multiple sensors

i'm trying to listen on 3 motion sensors, each one triggering its own sound i'm using when_motion because it's creating a thread, so i can do other thing while

How to check if electron app is running a portable build?

I build an electron app that will be distributed as both portable and installable version. I added electron-updater to get the installed version automatically u

Adding aria-label to dropdown using contact7 form plugin

Am using contact7 plugin to design form for my client. I want to make it ADA compliant, somehow not able to add aria-label to dropdown boxes. This is how my cod

How to have timer with variable duration in Flutter

How can I make a timer that its speed increases every minute i.e. the timer duration decreases evey 1 minute in Flutter?

How can I do in java spring boot not try a database connection on start up?

I need to know if there is a way in Java Spring boot not to try a connection at startup. What I am trying to do is an integrated SQL server connection. I am try

Using RestSharp to request a file fails with memory issue

I have to API's talking to each other on Kubernetes. The first API asks the second API for a small file using RestSharp (in ASP.NET). The file is 8Kb so basical

Django static loaded but not used

Nginx web server serves static. Browser downloads static files but they don’t work. Why would that be? Loaded static files docker-compose volumes: dja

How to correctly define a dispatching function in C++?

I have the following problem: I receive commands through an AF_UNIX socket (no problems about network byte ordering). the first word in packet is the command, t

C++ loop using queue- error: ‘begin’ was not declared in this scope

I am not very familiar with C++ pointer and address. I think I have an error related to the pointers. The program consists of different objects of objects, I

Express graphql mutation giving empty result after creating user

server: const { ApolloServer, gql } = require("apollo-server-express"); const express = require("express"); const mongoose = require("mongoose"); const { userRe

AWS changes automatically desired capacity

I am creating an ECS system where I want to have an autoscaling group managed by a capacity provider in a cluster. Right now I have created the autoscaling grou

How to create a new column based on the value of another column while retaining the Date format

The data that I have is as: dt_1 cond1 2009-05-04 1 2009-07-04 0 I want to add a variable that has date from a existing variable, if cond1 is 1

yarn start FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaScript heap out of memory

Receiving this error with yarn start I tried many solutions with this error through stakeoverflow using this link FATAL ERROR: Ineffective mark-compacts near h

How to access an object inside another object in a map in react

react.js is complicated sometimes, I'm trying to access an information of a state, I have an array which has one object inside, and in this object, there is ano

Laravel Excel Queue consume too much RAM

I have set up Laravel queue to read excel files using your Laravel excel and it works great for small files. But for large files (100+mb) and 400k+ records, it

How do I globally load Rmetric Financial calendars into `golem` at the startup?

Question: What are the best practices to go about setting a "global" financial calendar using load_rmetrics_calenders(), ie a singular run of a function in gole

Generate RSA key with large public exponent

Step 1. I generated RSA key pairs for Alice and Bob, respectively, and encrypted a message for Alice using Alice's public key. Step 2. I multiplied the public

.htaccess do not preload files on Ajax calls

I have some website running with PHP. In my .htaccess I have added the following directives: <FilesMatch "index.php"> Header add Link "</css/bo

shell script : container vs host

For Loop to start from 2nd argument behaving differently on container and host #!/bin/bash for i in "${@:2}" do echo $i done Call: script.sh 129 5

Await component doesn't send OK

I would like to do a await message and list for my setWelcome but it does not send me Ok when I select in the Select menu and I do not know if it is good for th

String together several operations in javascript calculator

I need help with my calculator. I don't know how to string together several operations. Can someone help me out with this or give some tips how to work forward.

I'm having an issue with reading JSON from a file

I was interested in making a discord bot an im following a tutorial (https://www.youtube.com/watch?v=-WlLazqQO3I) I've barely learnt python so i only understand

cytosape setup for off-line use?

Is there a preferred way to setup cytoscape for off-line use? My little network of lab equipment isn't connected to the Internet. I have version 3.9.1 (linux)

Add a new column for color code from red to green based on the increasing value of Opportunity in data frame

I have a data frame and I wanted to generate a new column for colour codes which stars from red for the least value of Opportunity and moves toward green for hi

Problems when using Autodesk Viewer on iOS 15 device

I'm integrating the Autodesk Viewer in an iOS application. For that I am using an WKWebView to load the local HTML and javascript to load files from Forge and d