Reading is faster than watching.
Every article connects an interview-style algorithm to a real production system. Use this page as your concept-first reading track.
Memory Defragmentation with Two Pointers
How Move Zeroes maps to memory compaction and contiguous data layout in operating systems.
Read articleRate Limiter Patterns for Reliable APIs
Understand fixed windows, sliding windows, and token buckets for production traffic control.
Read articleLoad Balancing as Scheduling Strategy
Map request distribution strategies like round robin and least connections to real systems behavior.
Read articleQuery Optimization and Index Thinking
Learn how indexing and access-path choices reduce query latency in data-heavy applications.
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