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Exploring the fascinating world of algorithms, data structures, and software engineering through clear explanations and practical examples.
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New to System Design Interview Prep?
Read these foundational posts in order to build a strong mental model before diving into advanced topics.
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The Ultimate Guide to Acing the System Design Interview
Don't panic. System Design interviews are open-ended discussions. This framework (Requirements, API, DB, Scale) will help you structure your answer.
Start Here14 min - 2
System Design Core Concepts: Scalability, CAP, and Consistency
The building blocks of distributed systems. Learn about Vertical vs Horizontal scaling, the CAP Theorem, and ACID vs BASE.
Core Concept13 min - 3
System Design Networking: DNS, CDNs, and Load Balancers
The internet's traffic control system. We explain how DNS resolves names, CDNs cache content, and Load Balancers distribute traffic.
Core Concept16 min - 4
System Design Protocols: REST, RPC, and TCP/UDP
How do servers talk to each other? This guide explains the key protocols: REST vs RPC for APIs, TCP vs UDP for transport.
Core Concept17 min - 5
System Design Databases: SQL vs NoSQL and Scaling
The eternal debate: SQL or NoSQL? We break down ACID vs BASE, Sharding vs Replication, and when to use MongoDB vs PostgreSQL.
Core Concept14 min
How It Works: Internals Explained
5 posts · ~70 min total
Featured Articles
Machine Learning Fundamentals: A Beginner-Friendly Guide to AI Concepts
What is the difference between AI, ML, and Deep Learning? We break down the jargon and explain Supervised vs. Unsupervised learning.
RAG vs Fine-Tuning: When to Use Each (and When to Combine Them)
A practical decision guide with Python code for both paths — choose the right approach before you spend weeks building the wrong one.
Fine-Tuning LLMs with LoRA and QLoRA: A Practical Deep-Dive
From the math of low-rank decomposition to running QLoRA on a single A100 — everything you need to fine-tune a 70B model without a supercomputer.
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Abstract Algorithms
@abstractalgorithms · 1 followers
Exploring the fascinating world of algorithms, data structures, and software engineering through clear explanations and practical examples.