Latest Questions

Application throwing 500 error when image not found instead of 404

We have shifted from Jboss 6 to Jboss 7.2.9 and we observed one changes in the site. Earlier when we were not find an image then we were getting 404 error which

PUT 404 (NOT FOUND) and SyntaxError: Unexpected token < in JSON at position 0

[PUT 404 (NotFound) ][1] [1]: https://i.stack.imgur.com/ugZng.png Client-side code const confirmDeliver = (event) => { const newQuantity = inventory.quantity

Create python function from script

Struggling to get this code to work as a function. It needs to separate values within a particular field which contains + symbols and create a new row which has

javascript setAttribute replacement

I am new to javascript and have problem when play with w3school's example. Here is the link the problem from https://www.w3schools.com/howto/tryit.asp?filename=

How to connect to postgres on another server where postgres is on docker?

I can connect to postgres in that way. On my local machine i run: ssh name@ip -p 22 input --> password and then sudo docker-compose exec postgres bash afte

What exactly does docker swarms dispatcher-heartbeat do?

I am managing a couple of stacks on a couple of nodes running in docker swarm. Unfortunately it seems a worker node lost connection to the single manager I curr

Python patch returning magicmock instead of return value

I have this code import cv2 from src.utilities.binary import message2binary from src.utilities.stegUtils import verify_payload def encode(input_path: any, paylo

Unity Tetris Game blocks sometimes not colliding

I am creating a version of Tetris which uses pentominoes instead of tetrominoes (5 square blocks instead of 4 square blocks). Some of the blocks will sometimes

How to plot Acutal and predictions in python (While 0 and 1)

How to plot the Acutal vs Prediction graph in python. It's was 0 and 1 values so plot is not meaningful.

Adding Flutterwave in to django template and view

I have created flutterwave developer account, as you can see down here i have setup everything except template and views.py file settings.py file FLUTTERWAVE_SE

How to close parent dialog depending on selected answer in confirm child dialog in Angular?

I'm trying to close a parent mat-dialog depending on the answer to a child confirm mat-dialog in Angular. The child confirm dialog says "You have unsaved chang

Angular 12 FormGroup dynamically Array checkboxes custom validator does not work

I am creating an Angular 12 app, with Material. I have a form with an checkbox array loaded dynamically from database. I need to validate that at least one chec

From an academic point of view, are there modern kernels for operating systems?

I have some questions are there currently 2021 or 2022 from an academic point of view already new kernel concepts for the operating systems or apps and games of

Django can't save userprofile instance during saving forms

I am getting this error Cannot assign "<QuerySet [<UserProfile: UserProfile object (131)>]>": "BlogComment.userprofile" must be a "UserProfile" ins

window.open() in button inside a web view app not working only on ios

I have created a web view app in swift. There I came up with one issue that following click event is not working. <button onclick=" window.open('https://www.

Angular 7 email validation using regex on reactive form

On Angular, I am trying to validate email using following regex - ^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.

Converting the values of the dictionary in to a file in Python

I have a dictionary say : my_map_dict which looks something like below: {2: [['1', '2', '4', '4', '0', '2', '0', '0.67'], ['5', '6', '3', '8', '0', '2', '1', '0

How to go through all Pydantic validators even if one fails, and then raise multiple ValueErrors in a FastAPI response?

Is it possible to call all validators to get back a full list of errors? @validator('password', always=True) def validate_password1(cls, value): password =

ESLint not configuring on save in VSCode

I have a React project, and am having an issue with saving automatically in VSCode. It works for Typescript files, but I am getting the following error: "Extens

JavaFX ImageIO.write() doesn't save modified BufferedImage

I'm trying to create an application that lets users modify pictures and then save them. I'm having trouble with the saving part. This is the method that rotates

Cannot install Python 3.7 on osx-arm64

I am trying to create a new environment with Python 3.7 using Conda like: conda create -n qnn python=3.7 I got following errors: Collecting package metadata (

How to make the connection between the broker and an external network?

I’m new in this field and I’m trying to create a device using arduino WiFi Rev 2 and the broker mqtt Mosquitto on an external network. I’ve al

Random/SplittableRandom error while building quarkus native image with optaplanner

I encounter this "Random/SplittableRandom" error while building my quarkus optaplanner application in a native image: docker run --env LANG=C --rm -v /Users/use

Trying multiprocessing but the program dies before it even starts

I have this code: from multiprocessing import Process, cpu_count def readplayerinfo(): y=0 Gameon = True while Gameon: y+=1 print('

Can someone assist me with this problem, i am getting this error when i load gtsummary after installing the package

[loading error][1] i am getting this error when i load gtsummary after installing the package [1]: https://i.stack.imgur.com/WhH03.png

Cant Jump and run at the same time (Unity)

wont let me run and jump at the same time, movement works fine but when i sprint jump isnt registered i tried a few things but nothing was successful the charac

Plugin [id: 'org.jetbrains.kotlin.android', version: '1.6.21', apply: false] was not found in any of the following sources:

I started learning Kotlin in Android studio a few days ago and I still haven't figured it all out, so having this problem is a big question mark for me, I know

How to link an old version of node in mac using homebrew

I am trying to link to an older version of node using homebrew in my mac (because netlify doesn't work with v17 - which is my default). When I search which vers

How can enable HotSpot on android device by delphi code

By this delphi code I can enable wifi on android device. var WiFIServiceNative: JWifiManager; begin WiFIServiceNative := JWifiManag

Test Typescript Service : Multiple Subscription on one Observable

I am having a problem performing a test on a typescript service. I have a function that returns an observable. I use .subscribe() to look at the result and veri