https://sudonull.com/kafka-rabbitmq-courses-2026-yandex-vs-slerm
Comparison of Yandex Praktikum and Slerm courses on Kafka, RabbitMQ. KRaft, highload, Docker stands, reviews. Choose format for middle/senior devs and start learning.
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In this project
https://sudonull.com/coexistence-of-legacy-code-in-high-load-systems
Learn why removing legacy code is risky and how to apply feature toggles for safe coexistence in Spring Boot. Strategies for middle/senior dev without refactoring risks. Practical examples.
https://sudonull.com/fastify-optimization-bloom-filters-and-scalable-backends
Explore practical solutions for creating a high-load backend on Fastify: custom IDs, Bloom filters for users and images, loginless authorization, asynchronous DB writes, API protection, and TypeScript typing.
https://sudonull.com/qr-ticket-validation-design-for-cinemas
Breakdown of System Design for QR Ticket Validation: offline signature, idempotency, atomic updates. Solving timeouts and HoL blocking for high-load. Practical SQL examples.
https://sudonull.com/kafka-safety-window-retention-monitoring
Learn how to prevent data loss in Kafka due to retention.bytes. Implement Data Safety Window in Grafana with PromQL. Tuning case for high-load topics — instructions for Platform Engineers.
From the web
Microsoft Community
https://answers.microsoft.com/message/6bee6b6e-8ee1-4057-afc7-745c52523f6e
Microsoft Community
https://answers.microsoft.com/en-us/windows/forum/all/windows-10-is-stuck-in-a-repair-loop-because-it/af0f76db-c484-41cf-8efe-1263bedbd200
Microsoft Community
https://answers.microsoft.com/en-us/msoffice/forum/all/how-do-bypass-authenticator-security/798f6275-d061-4b98-bbad-24748a8d5e44
Microsoft Community
https://answers.microsoft.com/en-us/windows/forum/all/i-factory-reset-my-laptop-and-its-on-a-boot-loop/e24b41f0-33ed-451a-a511-db649f93b545
Microsoft Community
https://www.answers.microsoft.com/ja-jp/windows/forum/windows_7-security/ãƒâ£ã†â€™ã‚â¦ãƒâ£ã†â€™ã‚â¼ãƒâ£ã¢â‚¬å¡ã‚â¶ãƒâ£ã†â€™ã‚â¼ãƒâ£ã¢â‚¬å¡ã‚â¢/7ffe7a9b-d0cf-454c-b3db-731542747656
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