Apr 23 · 11 min read · Source: Techniques to Make Database Integration Tests Fast Enough for Developers to Actually Run Them There is a particular kind of dread in a codebase when a developer hears "run the integration tests" — it sounds like a half-hour ritual of waitin...
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Apr 5 · 11 min read · Source: Reasons Your Unique Constraint Is Not a Complete Concurrency Strategy You shipped a system where a unique index guards a business invariant. For a while everything looked fine: a unique constraint rejected duplicates, your logs showed an oc...
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Apr 1 · 13 min read · Table of contents What is Spring Boot and how is it different from Spring Framework? What is the purpose of @SpringBootApplication annotation? What is Auto-Configuration in Spring Boot? What is th
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Feb 10 · 18 min read · A comprehensive guide to understanding Object-Relational Mappers and one of the most common performance pitfalls in database-driven applications. 🤔 What is an ORM? ORM stands for Object-Relational Mapping. It's a programming technique that lets yo...
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Jan 17 · 3 min read · In real systems, APIs don’t fail gracefully by default. Without discipline, you end up with: Different response formats per endpoint Unclear error messages Controllers full of try-catch blocks This article explains how we design predictable, consis...
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Jan 17 · 3 min read · Most Spring Boot tutorials teach you how to build an API.Very few explain what actually happens when a production Spring Boot application starts — and why those internals matter when systems grow. This article documents how we actually understand and...
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Dec 24, 2025 · 3 min read · Introducción Jakarta Persistence (JPA) es la especificación estándar para acceso a datos relacionales en Java. Quarkus implementa JPA completamente a través de Hibernate ORM, proporcionando todas las características de la especificación. ¿Qué es JPA?...
Join discussionDec 20, 2025 · 6 min read · Source: Techniques to Migrate from Hibernate 5 to Hibernate 6 in Spring Boot 3.5.x 1. Understanding What Changed in Hibernate 6 1.1 Jakarta Package Migration The most obvious shift is from javax.persistence. to jakarta.persistence.. Hiber...
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Dec 18, 2025 · 6 min read · Source: Spring Data JPA and Spring Data JDBC 1. Understanding the Core Difference Between JPA and JDBC 1.1 Spring Data JPA — The ORM Magic Layer Spring Data JPA builds on Hibernate (or another JPA provider) and provides a full-blown obje...
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