Message Producer using Kafka bindings of Spring cloud streams This use below serialization spring.cloud.stream.kafka.streams.binder.configuration.default.key.serde=org.apache.kafka.common.serialization.Serdes$StringSerde spring.cloud.stream.kafka.streams.binder.configuration.default.value.serde=org.apache.kaf…
How to use Java 12’s Microbenchmark Suite?
According to JEP 230: Microbenchmark Suite, there exists a microbenchmark suite built-in to Java 12. The JEP explains that it’s basically JMH, but without needing to explicitly depend on it using …
Mocking Unirest with mockito
I am in my starting programming phase and I wanted to ask about mocking Objects with Mockito, more specifically is the Unirest response. Let’s say I have a database, and I dont what to bother it every time I do testing, and I want to use Mockito for that, but the problem is I am not sure how to create
How to connect to DynamoDB on AWS using a Spring Boot application running on local system?
I’m working on Spring Boot microservice REST based application and backedn database is currently local Dynamodb database. I can make REST calls using Postman to my application running locally and can perform CRUD operation with the local dynamodb database. Now I want to make changes in the configuration…
How to get macOS Mojave Style Dark Mode in Java in a Swing Application?
I want to know if there is some way to get macOS Mojave style Dark Mode in a swing application in Java? I want to get macOS Mojave Style Dark Mode on a JFrame in a Java Swing Application. Please let me know. Thanks Asrar Bashir Sunge Answer I guess, you might give it a try to use Darcula: https://github.com/R…
How to remove an item from List?
I’m developing an app, which contains a list of tickets, there are add ticket and remove ticket options for the user. The add option works fine, but the remove option doesn’t, here is the ticket list code The delete function in another activity which doesn’t work: While the add function work…
Why does ModelMapper map collections merge-style?
In my application I am mapping data transfer objects to entities using the ModelMapper library. One entity Library has a collection (java.util.Set) containing other entities Book. A user should be able to change the collections contents. In this case a data transfer object UpdateDTO is used that contains the …
java.lang.IllegalArgumentException when publishing a message with RabbitTemplate
I try to publish a message on a Queue with RabbitTemplate (using Spring Boot) and I got this message. I already tried to search for a solution. Maybe this part of code can help I appreciate any collaboration. Answer The problem is that your class SimpleMessage does not implement Serializable. RabbitTemplate.c…
How to extract tempo from MIDI file
I am using the sequence.getResolution() built in method to extract how long a beat is in milliseconds. It works for some songs but not all. For example, for the song ‘sweet home alabama’ it returns a beat of 384 MS, however in real life the actual beat length is 612 MS. This works for countless ot…
java.lang.IllegalArgumentException: Cannot create PhoneAuthCredential without either verificationProof, sessionInfo, ortemprary proof
This Exception is taking place in my code help please. my all code is posted below. How to resolve this issue before I updated ui version 4.0.1 to 4.2.0 and also update 4.3.1 but not resolve this issue I have passed too many days on this issue but not resolve please help . Here is my code my gradle file