Go Unit Testing: Structure & Best Practices
Go's built-in testing package provides a powerful, minimalist framework for writing unit tests without external dependencies. Here are the testing fun…
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Idempotency in Distributed Systems That Actually Works
Idempotency in distributed systems is the property that saves you after the network lies, the queue retries, the client panics, and the operator hits …
Как я написал E2EE-мессенджер на Spring Boot и WebCrypto — и почему сервер не видит сообщения
Разбор архитектуры E2EE-мессенджера на Spring Boot 3, React и WebCrypto: X3DH, symmetric ratchet, AES-GCM, WebSocket, multi-device и ограничения реали…