Practical tutorials for developers who build things.

A curated set of interview questions and answers on Java 17.

This article delves into some key optimisation techniques and considerations to improve the overall application performance when dealing with MongoDB from Spring Boot.

In this tutorial, we will build a Spring boot application that uses Spring Batch to import CSV content into Postgres SQL DB and use Flyway for database migration.

This post explores different options available for making REST API calls from Spring and dives into the strengths and weaknesses of each.

A step-by-step guide to configure and use flyway for managing database migrations in spring boot application. This example uses Springboot3, MySQL8 & JPA.

In this article, we will use MongoDB Testcontainers to test spring boot Repository that uses MongoTemplate to search data from DB.

A step by step guide that covers different configuration of Quartz Scheduler and integration with Spring Boot application.

What is Project Lombok? Have you used this magical library? With the new Java Records feature, you might wonder if Lombok is still relevant. Let's weigh the pros and cons and see if this is suitable for you.

This post explains how to use select_related and prefetch_related method in django to optimize the database queries when using complex relations.

Spring Boot annotations are a form of metadata that provides data about a program that is not a part of the program itself. Following are some of the most used annotations in spring boot.