How Cursor Pagination Actually Works Under the Hood
An in-depth technical guide on database execution plans, B-Tree index range scans, the O(N) bottleneck of deep offsets, and production-grade opaque cursor architecture.
Software ArchitectureENBN
Backend Engineering5
Everything on the site about Backend Engineering.
Articles5
RFC 10008 and the HTTP QUERY Method: A Complete Engineering Handbook for Building Framework-Agnostic Search APIs
Explore how RFC 10008 solves the 16-year-old HTTP query limitation. This comprehensive handbook covers framework-agnostic implementation principles, a reference FastAPI backend, Uvicorn parser gotchas, client-side fetch quirks, caching realities, security concerns, and production adoption status.
Backend EngineeringENBN
QR Code Engineering Handbook: From Optical Physics to High-Concurrency Production Pipelines
An in-depth engineering handbook breaking down QR code structural layouts, optical mechanics, Reed-Solomon error correction math, and high-throughput deployment patterns using Node.js and React.
System DesignENBN
The Complete Engineering Handbook: Data Structures and Algorithms for Production Scalability
A practical engineering guide explaining real-world production bottlenecks, memory layouts, Big-O notation, and system architecture to help developers build scalable software.
Software EngineeringENBN
How Messenger's "Delete Conversation" Feature Actually Works Under the Hood
A deep architectural breakdown of how high-throughput chat applications clear conversations at Big-O(1) storage complexity using timestamp-based view filtering and metadata pointers instead of database-level hard deletes.
System DesignENBN
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