I am facing Nullpointer exception while trying to send a empty field. Need annotation approach. If else approach not required I tried if else approach and it worked. But needed annotation approach to resolve the same.
I don't know I have tried changing the icon, changing the layout almost everything but cannot get rid of the white space under the bottom navbar. <?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:app="http://schemas.android.com/apk/res-auto" android:id="@+id/main" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <FrameLayout android:id="@+id/container" android:layout_width="0dp"…
I have some questions about this error with Springbot Java 17 that appears in the console and that I have not been able to resolve. I am making a simple request to a service which returns this json: { "id":…
When i try to execute native query in my Spring JPA i give an error in my code ? import javax.management.Query; import javax.persistence.EntityManager; import javax.sql.DataSource; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.stereotype.Repository; import lombok.AllArgsConstructor; import lombok.extern.slf4j.Slf4j; import java.util.ArrayList; import java.util.List; import java.sql.SQLException; import…
I cloned a React Native project and I try to run the command yarn run android or adb reverse tcp:8081 tcp:8081 & set NODE_ENV=development & react-native run-android --list-devices --verbose But I keep getting the following error error Failed to build…
I need to figure out how to draw the Jamaica 🇯🇲 flag in Java on visual studio code. I cannot figure out how to draw the flag. All I know is that I must used this header: import java.awt.Color; import…
I am new to MongoDB. I have a collection like: [ { "_id":"1", "travels":[ { "_id":"1" }, { "_id":"2" }, { "_id":"3" } ] }, { "_id":"2", "travels":[ { "_id":"4" }, { "_id":"5" }, { "_id":"6" } ] } ]…
I was trying a code which was a bit more complex and was testing things when everything I put into spring boot came out as null in the other end Therefore I made the program simpler until I thought I…
I'm trying to insert an entry into my database with a one-to-one relationship to another entity. I'm using spring data jpa and postgres. My code looks as follows: @MappedSuperclass @Getter @Setter @ToString public abstract class Post { @Id @GeneratedValue private…
I am learing Docker and encountered an error is that I have created a basic CRUD springboot application which create,getById and getAll Users then configure the Dockerfile and then docker-compose.yml. once I run docker-compose up, its starts creating images and…