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Authentication is table stakes. The OWASP API Security Top 10 covers the vulnerabilities that survive correct authentication implementation. Here is how each one manifests in Spring Boot and the specific mitigations that address it.
Read moreBoth patterns resolve dependencies, but they make opposite choices about who controls the lookup. The difference has concrete consequences for testability, transparency, and how errors surface.
Read moreService objects are the most argued-about pattern in Rails codebases and the least defined. Here is a concrete structure that handles initialization, result signaling, and error propagation without pulling in a framework.
Read moreJava's sort is fast. The comparators passed to it often aren't. Here is how natural ordering, Comparator composition, and the contracts comparators must satisfy interact — and where subtle bugs hide.
Read moreSpring Boot Actuator ships with powerful defaults for health checks, metrics, and operational visibility. The defaults are not production-ready as-is. Here is how to configure what to expose, how to secure it, and how to extend it for your application's specific needs.
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