why permission denied when i am connecting jdbc to mysql
it gives same error permission denied i thing i try all possible ways to solve it . i am using ubuntu . please if anyone knoe what is the proble help me .. . i change my user in mysql-server…
Eclipse IDE 2024-03 crashes under Ubuntu, causing hr_err_pid.log
I have two classes, "PeerMessage" and "PeerMessageOps" (this is just an example). PeerMessageOps contains constant values that PeerMessage class accesses to. But I don't know why, every time I do the "PeerMessageOps.thing" from PeerMessage class, Eclipse stops running and exits…
Postgresql – Saving enum string properties into database
I have enum in java public enum Day { MONDAY("D1", "X"), TUESDAY("D2", "X"), WEDNESDAY("D3", "X"), THURSDAY("D4", "X"), FRIDAY("D5", "X"), SATURDAY("D6", "X"), SUNDAY("D7", "Y"); private final String value; private final String value2; Day(String value, String value2) { this.value = value; this.value2…
Visual Studio Code – Fixing error "Lombok annotation handler class lombok.eclipse.handlers.HandleBuilder failed"
In my Windowns 11 environment I use Visual Studio Code (1.87.2) to develop Java applications. In one of these apps we use some of the Project Lombok's annotations (1.18.24) such as @Builder, @Data, @EqualsAndHashCode and so on. After opening the…
I have problem with linking css to html in spring boot project
HTML code: I have tried everything to link style.css to products.ftlh ( ftlh is apace freemarker ) I can't solve this problem. I need help. I notice this error in the developer page: Refused to apply style from 'http://localhost:8080/login' because…
Json – Query child documents based off field that is only present in parent?
In my MongoDB collection I have a documents that follow a parent-child structure. Each parent doc typically has 4 fields, with the children having 3 (no group field). parent: { _id: doc_123 parent_id: 123 active: true group: A } children…
How to implement various functionalities in Android Studio: Intents, AlertDialog, NotificationManager, MediaPlayer, and SQLite Database operations?
I'm developing an Android application in Android Studio and I'm in need of assistance with implementing several fundamental functionalities. Specifically, I require guidance on: Using Intents for navigation between activities. Displaying messages to the user using AlertDialog. Sending notifications using…
Telegram hash validation in Java
For the sake of me, I can't get to validate a Telegram hash in Java. I have a working JS example compiled from different sources that I've reduced to barebones to illustrate this question. function main() { var k =…
What would be the issue if I received "Socket fail to connect to host" docker-compose
I'm trying to connect to my container with my empty java maven project. But I received an error Socket fail to connect to host:address=(host=studentdb)(port=3306)(type=primary). studentdb What would be the problem in my docker-compose.yml version: '3.8' services: mariadb: build: context: .…
why there is always conflict package when using firebase with java?
i am using javafx with firebase but the problem is always there is conflict poackage when building the project there is 100 error similair to this one :error: module javafx.controlsEmpty reads package com.google.cloud from both google.cloud.core and proto.google.common.protos i tried…