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Learn Through Categories, Not Chronology.
Writing organised around clear topic lanes — computer science, cloud, data, AI/ML, system design, and Python.
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General CS
Foundational computer science ideas like operating systems, networking, databases, and computation.
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Data
Data engineering, analytics, warehousing, pipelines, and applied data systems.
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Cloud
Cloud infrastructure, storage, compute, deployment models, and reliability concepts.
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AI / ML
Machine learning, practical AI, model workflows, and applied reasoning around intelligent systems.
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System Design
Scalability, tradeoffs, architecture patterns, distributed systems, and design thinking.
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Python Concepts
Python language concepts, internals, syntax, and mental models for writing better code.
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Python Coding
Coding patterns, problem-solving, and interview-oriented Python implementations.
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Latest writing
Amazon S3 Storage Classes Explained
A practical and entertaining guide to S3 Standard, Intelligent-Tiering, IA, and Glacier classes using memorable analogies and decision rules.
Mastering Sliding Window Technique in Python
A practical introduction to one of the most useful patterns for subarray and substring optimization problems.