I am trying to practice Deserialization with ser files, but every time I do, I get an error. here's the code: import java.io.*; public class Main { public
I've got no idea why is this happening. I thought the "JOIN FETCH" thing and/or "EntityGraph" were meant to address this, but then the query made by Hibernate l
Hi I am struggling with following Task.Can someone explain me how to solve this at a beginner level Given: Initialize the variables with the s
My combo box always returns null value. In my Project "Attendance Management System", I need to validate the selected item in the combo box, but it returns null
How can I round a number to the nearest ten with no if statements? For example, 98 to 100. int num = 87; double t; double d = 1.0 * num; // d
Is there any open source micro QR code scanner for Android? Ive been going a fair bit and I only found Google's library and Zxing both of which do not support i
I have code to use SFTP for uploading file to a remote server. I am using Kotlin/Java and Apache commons library. val manager = StandardFileSystemManager() mana
Can't take my head around the following: There are 2 classes - "Item", where attributes (Name, Price) and constructors are set, and main "Store". In the last o
I have a custom validator that validates data against DB using repository: @Constraint(validatedBy = DataValidator.class) @Target(ElementType.FIELD) @Retention(
I'm using a RouterFunction to define endpoints in my Spring Boot application. My service returns a Mono<Object> and I want to return the result of this wh
How can I print message on successful retry while using retryWhen operator? Let's say I have Flowable.defer(() -> subscribe()) .retryWhen(error ->
Execution failed for task ':app:dataBindingGenBaseClassesDebug'. > Parameter 'directory' is not a directory * Try: Run with --info or --de
I have want to fetch a list of Relation records, and I'll use .fetchInto(RELATION); and I want to iterate over the list and commit each iteration to the databas
I have a C# server that is sending a file (in bytes) to my JAVA client. Currently I am using DataInputStream to read data from socket with a buffer size of 1024
when building respositories in spring, in my repository interface i extend it using the below extends CrudRepository<EntityName, EntityType> where EntityN
I'm using external Nexus repository for java maven project and I trying to config circleCI config. At first I need to somehow say CircleCI to look into env vari
Is there a way in JavaFX to get/change the properties of a single tile in the tilePane layout? More specifically, I am looking to change the color of a single t
Now,i build nettyServer and use okHttp request download, but okhttp response not has dataiostream, could someone help me solve the problem? code Server by Netty
I am new to learning Docker, and followed a tutorial to make a small Hello World application to dockerize. I used Intellij template to generate a main method, w
I made spring boot web app that works perfectly when I run it in Localhost, but when I exported it from IntelliJ to .war ( via Maven/package ) and upload it to