Latest Questions

PostfixAdmin Nginx configuration for accessing via subfolder

First of all, my Nginx configuration server { listen 1443 ssl http2; root /usr/share/webapps/postfixadmin/public/; index index.php;

Change post status to draft (on button click - front-end) with wp_update_post()

I'm adding a button via shortcode into my post on front-end. On click, this button should change the current post status to 'draft'. Changing to 'draft' seems t

How can i check for only one occurence only of each provided symbol?

I have a provided array of symbols, which can be different. For instance, like this - ['@']. One occurrence of each symbol is a mandatory. But in a string there

Split linked list into half in c++

What is wrong with my code in splitting the linked list into half, what causes the error? I kinda get the logic on how to split it, but is this the right implem

ModelState showing invalid, but the value is there?

I hope this makes sense what I am trying to do I have an application built with RazorPages that I am adding server side validation to for a Uni Project I have a

Outer class can't create an object of my inner class [duplicate]

I am so confused. I have a nested class where Book is the inner and Bookshelf is the outer class. When I try to create a Book object in my Boo

image converted from pdf file with Imagick got grey background

I'm trying to convert a pdf file to image with imagick in php. The script works fine but the image created has a grey background like if the background of the p

Take a class as a parameter which has a particular method in it

I know that we can pass a class in a param which has a particular class as its super. For example, see this: public void sampleMethod(Class<? super MyParentC

Draw two or more images vertically in a single canvas

var base_image = new Image(); base_image.src = 'https://......jpg'; var can = document.getElementById("pai"); var ctx = can.getContext('2d'); base_image.onload

Flutter: Updating the more recent value while the user in viewing the page with streams

Am I thinking about this the right way? I created a function that takes in a value from firebase, value in seconds, and convert it into hours:minutes:seconds, t

When is a class decorator called?

I am using the stanza NLP library which uses a decorator to register processors. Stanza has a help page for building your own processors here They use a class

How to instruct the QuarkusApplication to wait until the reactive vertx MySQLPool completes the execution of executeBatchAndForget statement?

We have a requirement to load a huge file to MySQL DB. I have written a simple QuarkusApplication with quarkus-reactive-mysql-client to execute a executeBatchA

Using external css in freemarker when string temlpate loader is used

Case 1 : I have used <#include <cssFilePath>/style.css>in ftl when template file is loaded from template directiory(setClassForTemplateLoading i was

How does ctypes define the class for C structure with function pointer only and init the variable in python?

I'm working on the python with ctypes to call the c so file, but the c file define the structure with function pointer // mem ==================================

Combine multiple dataframes wit pandas

I use the following script to measure the average RGB color of the picture in a selected path. I tried to make 1 dataframe with pd.concat but it doesn't work ou

When calling javax.imageio.ImageIO.read, can I specify the format?

In Java, I want to use the class javax.imageio.ImageIO to read a image from an InputStream. This class has a static method, read(InputStream input), which can d

Cannot Access the Local Host on Python 127.0.0.1:8000 in browser

from django.contrib import admin from django.urls import path, include urlpatterns = [ path('admin/', admin.site.urls), path('products/'),include('prod

vue reactivity transform $ref not defined

According to this page in the docs, macros should be globally available and do not need to be imported when Reactivity Transform is enabled I've explicitly op

Dynamic API routing with getServerSideProps in Nextjs

I want to fetch Dynamic API routing after enter submit with input state. but I don't know how to pass state from react to getServerSideProps. this is my code ex

Building a Random Forest Classifier with equal output probabilities to a Decision Tree Classifier

I have been trying to build a RandomForestClassifier() (RF) model and a DecisionTreeClassifier() (DT) model in order to get the same output (only for learning p

Excluding @bean from ComponentScan

I have lot of beans declared in a single class package com.example; @Configuration public class MainBeanClass{ @Override @Bean("cachingSession") @Lazy public C

bin/rails console doesn't start

I'm new to Rails & Ruby in general. I was following this guide and got stuck on step 6.3. my bin/rails console result in error below /home/gaura/.local/shar

Spring cloud data flow custom stream auto kafka binding

Actually I'm doing my own streams in spring cloud data flow, developing my own processors and sinks. But I'm a bit stucked with the internal kafka bindings. I w

Revert throws "missing revert data" in inherited method

I've got a base contract which I use to add functionality to other contracts by inheritance. For some reason, neither revert nor require are working as expected

Blender Addon in file menu

I have created a blender addon watching videos as I do not have knowledge of python. So I want to place that addon in Blender file menu but it is deleting all t

Navigate to next question or item in quiz app in a flutter list

I am creating a quiz app in dart/flutter and I want to automatically navigate to the next question when an answer is selected. The questions and answers are in

explicit type annotation in Rust with private type

I want to find out the type of a variable in Rust: use anyhow::Result; use arti_client::{TorClient, TorClientConfig}; extern crate tokio; #[tokio::main] async

Get tree of ancestors from a SQLite table with Room and Flows

This is very tricky for me because I don't know if it can be done with a SQLite query or by recursively calling some function. It gets complicated because I als

AWS EC2 npm install suddenly very slow

In my ElasticBeanstalk environment, it always (for years) used to take ~5 mins for my Node.js app to be deployed and for the instance to change from status "Pen

How can I get path of 3rd party app in Django settings.py

I install django_celery_beat app in Django settings.py file INSTALLED_APPS = [ ..., 'django_celery_beat', ] It has its own locale dir. As I understand I need