QR code-based parking payment is convenient, but it can be annoying when a QR code isn’t recognized. Use this article as a guide to creating your own QR code.
This article goes into detail about streaming data into QuestDB with change data capture via Debezium and Kafka Connect with charts and guide code blocks.
Java 8 streams improved code readability they also provide great debugging opportunities. There are amazing tools for inspecting collections and arrays.
Explaining how type variance works with Java and Kotlin by using simple and complex examples and how it can be used to create good APIs for developers.
Discussing distributed caching with Hazelcast and Spring Boot, distributed locks, and user code deployment to invoke code execution via Hazelcast on a service.
Discussing and demonstrating the Spring Boot application of a solution for providing enum consistency between running the application code and data itself.
This article shows how to use MQTT in the Java project to realize the functions of connecting, subscribing, unsubscribing, publishing, and receiving messages.
DTO is probably the most straightforward pattern in object-oriented programming. In this post, learn how to create them properly and the motives for using DTOs.
