Java
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How to Use Avro to Serialize and Deserialize Dates
Working with dates and timestamps in data serialization can be tricky, especially when consistency and precision matter. Avro, a popular…
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Spring Boot 3 + Record-Based DTOs: Cleaner APIs with Better Type Safety
Java 16 introduced records, a new kind of class designed to model immutable data. With the advent of Spring Boot…
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Implementing Multi-Tenant Security with Spring Boot and Spring Security
Multi-tenancy is a software architecture where a single application instance serves multiple tenants (clients), each with its own data and…
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How to Secure REST APIs with Spring Security and JWT (2025 Edition)
In 2025, stateless authentication remains the go-to approach for securing REST APIs. Spring Security combined with JWT (JSON Web Tokens)…
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GitHub Access with Java
The GitHub API enables developers to programmatically interact with GitHub’s services. Using the github-api Java client library (developed by Kohsuke…
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How to Use Java 21’s Virtual Threads in Real-World Web Applications
With the release of Java 21, virtual threads — part of Project Loom — are now stable and production-ready. This…
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Running Java Apps on AWS Lambda with SnapStart: Is It Production-Ready Yet?
Running Java applications on AWS Lambda has always faced one major challenge: cold starts. Especially when using Spring Boot, startup…
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@Context Complex Source Mappings Example
1. Introduction The org.mapstruct.Context annotation from MapStruct, a Java annotation processor for generating type-safe bean mapping code, marks a parameter…
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HATEOAS with gRPC: Is It Possible? (And Should You Do It?)
HATEOAS (Hypermedia As The Engine Of Application State) is a REST constraint that guides clients through application states using hypermedia…
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