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Mission-Critical Mobile IAP: Handling Apple App Store & Google Play Notifications with Zero Data Loss
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Architecting for Privacy: Building a 100% Offline Geofencing Engine on Android
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Chain of Responsibility em Java: como transformamos um if de 600 linhas em um pipeline de autorização de pagamentos
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Construindo um Pipeline de Processamento de Pedidos com o Padrão Chain of Responsibility em Java
1+ day, 31+ min ago (466+ words) Sistemas que processam uma entrada por múltiplas etapas sequenciais — validação, transformação, enriquecimento, persistência — costumam cair em uma armadilha comum: todas as etapas ficam concentradas em um único método gigante, cheio de if/else aninhados, cada um responsável por uma verificação…...
Context aware Spring AI chat microservice
1+ day, 1+ hour ago (360+ words) By default, Large Language Models (LLMs) are completely stateless. Every API call you make to Google Gemini is treated like a first-time introduction. If a user says "My name is Alex" in request one, and "What is my name?" in…...
Unshackling Java Architecture: How the Builder Pattern Rescued Our Legacy System
1+ day, 2+ hour ago (1007+ words) A practical guide to the Builder Design Pattern in Java --- from legacy constructors to immutable, self-validating domain objects. In enterprise software engineering, architectural bottlenecks and design flaws tend to recur. As systems scale, challenges such as tight coupling, fragile code,…...