Modern applications rely on multiple external systems — relational databases, messaging services, cloud APIs, and more. Unit tests alone can’t reliably validate these integrations.
Testcontainers has become the de-facto solution for running light…
In many enterprise systems, you may need to work with multiple databases — for example, customer data in PostgreSQL, legacy records in Oracle, and transactional data in MySQL. Managing these connections efficiently while keeping the code clean can be c…
Amazon Bedrock Guardrails Automated Reasoning Checks: Cuando las Matemáticas Vencen a las Alucinaciones
Hace unos meses, mientras presentaba una demo de un asistente de IA para procesos financieros, experimenté uno de esos momentos que todo desarrolla…
Event‑Driven Architecture (EDA) decouples producers from consumers using an event broker. You get independent scaling, resilience, and faster iteration.1) Why EDA?Loose coupling: Producers don’t know who consumes; consumers don’t care who produced.Elas…
When writing efficient Java code, algorithmic complexity matters—a lot. In this post, I’ll walk you through two fundamental time complexities: O(1) and O(n), using clear Java 21 examples, and explain which one is more efficient for common search operat…