Latest Questions

AWS Athena/Presto SQL: Having trouble getting null values

I am doing a query in aws Athena where I want to get some total values, however I am having issues getting a column where the values are null, this column somet

context.createDatabase is not finding in preferences DataStore Android

I've just implemented Preferences by Android DataStore but I can't find "context.createDataStore" I added this dependency below implementation "androidx.datas

Dockerfile: Cannot find module '/usr/src/app/dist/main' - Dist folder does not exists on container

I'm having the following error when trying to execute my NestJS App with Docker: > [email protected] start:prod > node dist/main node:internal/modules/cj

I wonder why pyqtSignal() is used. (pyqt, QThread, signal, slot)

This is the test code about QThread and Signal. from PyQt5.QtWidgets import * from PyQt5.QtCore import * import time import sys class Thread1(QThread): se

Flutter _AssertionError 'initialValue == null || controller == null': is not true. Error

I have a code like this: TextEditingController adSoyadTextBox = TextEditingController(text: "Loading.."); // ... TextFormField( controller: adSoyadTex

Is it possible to append to innerHTML without destroying descendants' event listeners?

In the following example code, I attach an onclick event handler to the span containing the text "foo". The handler is an anonymous function that pops up an ale

Show custom alert dialog in Jetpack Compose

I am searching how create custom dialog in Jetpack Compose. In XML or Material Design we can create easily custom Dialog in which we can take user input, radio

AzerothCore with DashBoard Installation Database problem?

I have changed info in authserver.conf/worldserver.conf and conf/dist/config.sh for my acore database user and password. But when I'm using CLI command ./acore

Multiprocessing Pool implementation

I'm doing some intense computation and I'd like to speed up the process using all the computational power available (8 cores on my PC). I'm doing some calculati

Network performance between two hosts slow with Linux bridges and VXLAN

I'm trying to debug a network performance problem between two hosts: Dell R6515 Mellanox ConnectX-5 2x25Gb SFP28 Ubuntu 20.04 Kernel 5.13.0-40-generic These hos

Is it possible to write to Command Prompt with python?

Im opening Command Prompt with os.startfile('C:\\WINDOWS\\system32\\cmd.exe') and after opening the program id like to write the python file for it to run C:\U

Adding style to CSS classes in Javascript

I am trying to add an animation-play-state style to a CSS class on button click through Javascript but I am not sure where am doing it wrong. here is what I did

Can I use multiple selectors in :host() argument?

This is working: :host(.foo) .title, :host(.bar) .title { ... } I was expecting this to work, but it didn't: :host(.foo, .bar) .title { ... } Am I missing

what is the use of keyword override in virtual function of child class? [duplicate]

The keyword virtual allows the derived class to override in need of polymorphism, and this can be down with or without the keyword override. H

Discord.js Bot can't handle multiple buttons in the same channel (Version 13)

Is there a way to have a command with buttons be used by two people at the same time in the same channel? I made an adventure system which is going well so far,

How to Secure Cookie in MVC

I have an application in MVC which is consuming some third party APIs. While running application on server I am getting below 4 cookies in browser and one of th

Freehand polygon drawing google maps mobile - Not working

I am trying to implement a function that allows a user on a mobile device (using chrome or safari for example) to be able to draw a polygon in google maps. The

Cannot resolve Request Header Issue in ModSecurity and its affects on WordPress

CURRENT: I have the familiar issue with an internal 403 coming up... however, after exploring for the issue through all error logs, I have found that the Forbid

AngularJS to display one section in Italic

Hi i'm creating a Harvard Reference Generator using AngularJS ive got it working perfectly, i can get it to create the full reference however i need one section

How to init a sealed-class in MutableStateFlow

I have a sealed-class like this sealed class LoadState { class Loading : LoadState() class Success : LoadState() class Fail : LoadState() } I use s

How to translate c# Task to Unity coroutine (OnCollisionEnter2D)

help to translate this code in coroutine. Im making game in unity and need to creat coroutine for it. I try made it, but it doesnt works. private void

Replace character inside double curly brackets regex

I'm trying to replace - character with _ inside a double curly brackets. Example inputs: Hello {{first-name}}, how are you? The event {{event-name-address}} Exa

how to resolve sqflite error : MissingPluginException sqflite

I created my database with this function: void CreateDatabase() async { database = await openDatabase( 'todo.db', version: 1, onCrea

I want to convert a string containing letters to a double in matlab [closed]

East_Seed_1="MIA"; East_Seed_8="ATL"; for i=1:7 s=rand; if s<MIA_prob_vs_ATL s=1; I want to create an algorithm that, gi

Clarification about modern CMake structure

I am not an expert C or C++ programmer, but I have to write a C and a C++ application for two course projects. To start off on the right foot, I was reading a g

Cann't install django with error 'Non-zero exit code (2)'

When i create new django project in pycharm i have error enter image description here Help me please

Error: module not found in React, cannot resolve 'url' in ...axios/lib/adapters

I'm getting this error and am not sure firstly why it appears and secondly how to resolve. the error message: Compiled with problems:X ERROR in ./node_modu

What is the purpose of sort_index of a Dataclass in Python?

I am learning about Dataclasses but I am confused on the purpose of sort_index and how it actually works. I can't seem to find any valuable information on it. T

How to identify the source of a context object in android java?

Overview I am working on android application in java. I have Products which can be viewed as a list by customers and vendors. Problem I want to be able to utili

Is there any way to use flex wrap to wrap on only one column?

Let's say I have 3 divs... HTML: <section class="features"> <div class="item"> <h3 class="item-name">Item1</h3> <