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Tutorials, deep-dives, and insights on Java, DSA, System Design, AI, and more.
Saga, circuit breaker, API gateway, event sourcing — the design patterns that make microservices work at scale and that interviewers ask about.
Big O is how you talk about algorithm efficiency in interviews. Here's what each notation means and how to analyse code on the spot.
CAP theorem says you can only pick 2 of 3 properties. But what does that mean in practice? And which systems are CP vs AP vs CA?