In this post. I will share a basic example, how to integrate Spring Boot , Kotlin , Basic Auth, JWT and LDAP. However since Spring Security 5 the oauth2 is deprecated so I suggest to use Open Source Identity, Keycloak, OpenIAM, CAS etc…
For this post I get steps from an official documentation by Apache Cassandra check the link. 1. Install Apache Cassandra.docker pull cassandra:latest2. A Docker network allows us to access the container’s ports without exposing them on …
Parallel processing a problem in multiple cores each process running in a separate thread. however, consider the overhead. In this example it is faster to get the paths names files in parallel than sequential, however it is faster or equal to rea…
KeycloakKeycloak is an open source identity and access management for modern applications and services, no need to deal with storing users or authenticating users. it’s all available out of the box.The Documentation keycloak mentioned the fo…
1. Example with Predicate – Filter list from another list object.import com.fasterxml.jackson.core.JsonProcessingException;import com.fasterxml.jackson.databind.ObjectMapper;import java.util.ArrayList;import java.util.List;import jav…