The journey of a request: how a web app works end to end
41 lessons from the browser to SQL Server with a step-by-step request simulator. Next.js rendering, the ASP.NET Core pipeline, authentication, EF Core, caching and resilience.
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Data Structures & Algorithms: from foundations to research
53 bilingual lessons in 13 modules. Analysis, memory, trees, graphs, dynamic programming, strings, geometry and distributed systems. Executable examples, worked exercises and interactive labs.
READ POSTHTTP & HTTPS: understand how the web works
70 lessons covering status codes, authentication, authorization, OAuth, TLS, caching and diagnosis. A 64-code atlas and 20 decision scenarios.
START LEARNINGLearn SQL: from the first query to production
65 lessons, three example levels and hands-on exercises. A structured path through databases, queries, performance and security.
START LEARNINGInside the machine: a visual guide to computer hardware
Explore three scroll-driven 3D architectures: desktop, laptop and rack server. Learn 44 components and 23 technology chapters at three levels.
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