Category "java"

Calling of camera from different thread

I am writing a code that should capture images and send it to a python server. One part of this code requires calling the camera. My solution for this was to si

How to remove an element from a Set inside a Page of items based on a Condition using Java 8

I have a Page of Farmers coming from a JPA repository call findAll method. Each Farmer consists of a Set of Farms which are also coming in the repository call l

Android Audio fingerprinting implementation

I am working on an Android app that works similar to shazam, soundhound, etc. I am using Echoprint for Android w/ source found on GitHub for implmentation of so

String input of weekdays in German to Localdate

I have a string input of weekdays in German and need to get the next Localdate after today which corresponds to the given weekday string. If for example the inp

Old javax libraries compatibility with jakarta

I updated my java project with the latest Java JDK and Tomcat 10. The new libraries use jakarta and you need to rename all your javax. to jakarta... The librari

How to get value from a disabled text field when the value is not present in ID or in any attribute using Java in Selenium WebDriver

I have a few disabled text field auto-populated with some values based on my previous input. I want to verify whether auto-populated values are as per my previo

How to use #pact maven plugin to verify a provider without port

Per https://docs.pact.io/implementation_guides/jvm/provider/maven/#2-define-the-pacts-between-your-consumers-and-providers : Protocol, Host, and Port are requir

Get StateContext in @OnTransition annotated method

In the Spring Statemachine reference doc is this sample code: @WithStateMachine static class Bean1 { @OnTransition(source = "S1", target = "S2") publi

Could not transfer artifacts from/to central maven repo when using Spring Framework Cloud

I am trying to create a maven project using Spring Framework Cloud. I defined pom.xml file as below <parent> <groupId>org.springframework.

Unresolved compilation problem exception using JOptionPane

I am a beginner in Java and I am trying to use JOptionPane to display a message box but keep getting stuck with an error which I cannot figure out. This is my c

Could not transfer artifacts from/to central maven repo when using Spring Framework Cloud

I am trying to create a maven project using Spring Framework Cloud. I defined pom.xml file as below <parent> <groupId>org.springframework.

Merging 4 sorted Arrays into one

I have this method to merge 2 sorted arrays into one sorted array: public void merge(T[] a, int l1, int r1, T[] b, int l2, int r2, T[] c, int l3) {

Unresolved compilation problem exception using JOptionPane

I am a beginner in Java and I am trying to use JOptionPane to display a message box but keep getting stuck with an error which I cannot figure out. This is my c

FindIterable<Document> how to get total records in a result of a query

I was using mongo driver for java 2.x and passed to 3.1. DBCursor is deprecated and I had to use the FindIterable<Document> structure. When I perform a q

Why is SQL Server sequence jumping by two when fetched from Java code?

Let's say there is a sequence created on SQL Server: CREATE SEQUENCE dbo.my_seq START WITH 1 INCREMENT BY 1 NO CYCLE; GO And the following Java cod

Spring Boot can't autowire @ConfigurationProperties

Here is my FileStorageProperties class: @Data @ConfigurationProperties(prefix = "file") public class FileStorageProperties { private String uploadDir

FindIterable<Document> how to get total records in a result of a query

I was using mongo driver for java 2.x and passed to 3.1. DBCursor is deprecated and I had to use the FindIterable<Document> structure. When I perform a q

Programmatically call spring cloud config actuator/env post endpoint in spring boot application

I am using spring cloud config in my spring boot application, I am trying to update the property value through actuator/env post endpoint. Here is my code: @Ser

explanation of variable setting formula in Java required

i have this java code: weight = weight == 0 ? 1 : weight; Can anyone please explain what will happen to variable weight in all cases?

Spark on Windows - java.lang.UnsatisfiedLinkError: org.apache.hadoop.io.nativeio.NativeIO$Windows.access0

In Win10, in IntelliJ this path("C:/hive/Orders_[0-9]*.csv") works good when run as stand alone java spark job. But not working as Spring Boot spark job. Seems