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SQL vs NoSQL
Oct 25, 2025

SQL vs NoSQL

(5 Minutes) | How to Choose, How Each Works, the Differences, the Benefits, and the Trade-Offs

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Level Up Coding
Strong vs Eventual Consistency in Distributed Systems
Oct 23, 2025

Strong vs Eventual Consistency in Distributed Systems

(5 Minutes) | The Problem, How Each Works, and the Tradeoffs

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Level Up Coding
How HTTPS Actually Works
Oct 18, 2025

How HTTPS Actually Works

(4 Minutes) | How it Works, TLS Handshake, Evolution, and Why it Matters

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Level Up Coding
WebSockets Clearly Explained
Oct 11, 2025

WebSockets Clearly Explained

(5 Minutes) | How They Work, When to Use Them (and When Not To), the Benefits, and the Tradeoffs

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Level Up Coding
Service Discovery in Distributed Systems Clearly Explained
Sep 20, 2025

Service Discovery in Distributed Systems Clearly Explained

(5 Minutes) | Client-Side Discovery vs Server-Side Discovery

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Level Up Coding
Forward Proxy vs Reverse Proxy
Sep 13, 2025

Forward Proxy vs Reverse Proxy

(4 Minutes) | Core Ideas, Benefits, Trade-offs, Where and When to Use Each

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Level Up Coding
Idempotency in API Design Clearly Explained
Sep 10, 2025

Idempotency in API Design Clearly Explained

(4 Minutes) | When to Use it, How to Implement it, Benefits, Tradeoffs, Decision Table

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Level Up Coding
7 Principles of Solution Architecture Design You Should Know
Aug 19, 2025

7 Principles of Solution Architecture Design You Should Know

(5 Minutes) | Design principles that keep systems alive when reality hits

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Level Up Coding
API Gateway vs Load Balancer
Aug 12, 2025

API Gateway vs Load Balancer

(4 Minutes) | How They Work, Benefits, Pitfalls, Where and When to Use Each

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Level Up Coding
Concurrency is NOT Parallelism
Jul 22, 2025

Concurrency is NOT Parallelism

(4 Minutes) | Concurrency vs Parallelism — They Are Not The Same

Level Up Coding
Level Up Coding
Level up your engineering and system design skills. Join the growing community of engineers who prefer our visual approach to software engineering.

Level Up Coding

Level up your engineering and system design skills. Join the growing community of engineers who prefer our visual approach to software engineering.

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