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Dylan Smith

12.8K followers

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Jul 26

Interview: How to Generate Unique IDs for Billions of Users?

Interview: How to Generate Unique IDs for Billions of Users?

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Aug 18, 2024

Interview: How to Check Whether a Username Exists Among One Billion Users?

My articles are open to everyone; non-member readers can read the full article by clicking this link.

Interview: How to Check Whether a Username Exists Among One Billion Users?

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Sep 9

Deep Dive into Spring IOC: Source Code Analysis

Why can the Spring container automatically manage hundreds or thousands of beans? What actually happens behind the @Service annotation…

Deep Dive into Spring IOC: Source Code Analysis

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Sep 6

Java AI in 2026, LangChain4j Turns Agents into Ordinary Interfaces

My articles are open to everyone; non-member readers can read the full article by clicking this link.

Java AI in 2026, LangChain4j Turns Agents into Ordinary Interfaces

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Dylan Smith

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Sep 5

Why Is RAG Mentioned Less and Less Often

How skills, tools, and stronger LLMs are quietly replacing the retrieval pipeline.

Why Is RAG Mentioned Less and Less Often

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Aug 31

Your Java Ceiling Isn’t Spring Boot — It’s Your Mindset

Three mindset shifts that separate senior developers from architects

Your Java Ceiling Isn’t Spring Boot — It’s Your Mindset

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Dylan Smith

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Aug 14

Distributed Rate Limiting Explained: From Boba Shop Queues to Production Java — 4 Algorithms & Full…

A complete guide covering 4 classic algorithms, runnable Jedis/Redisson/Gateway implementations, and high-concurrency pitfalls..

Distributed Rate Limiting Explained: From Boba Shop Queues to Production Java — 4 Algorithms & Full…

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Aug 10

JDK 8 → 17 → 21 → 25: The Key Leaps Across Four LTS Generations, Explained at Once

The article combines extensive code and charts for explanation.

JDK 8 → 17 → 21 → 25: The Key Leaps Across Four LTS Generations, Explained at Once

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Stackademic

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Dylan Smith

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Aug 8

One Billion Usernames in 1.2 GB: The Interview Question Behind Bloom and Cuckoo Filters

My articles are open to everyone; non-member readers can read the full article by clicking this link.

One Billion Usernames in 1.2 GB: The Interview Question Behind Bloom and Cuckoo Filters

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Dylan Smith

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Aug 3

Interview: How Does Redis Handle 100 Million Requests Per Second?

An interview-style deep dive, told the way I’d explain it across the table.

Interview: How Does Redis Handle 100 Million Requests Per Second?

Dylan Smith

Dylan Smith

12.8K followers

Software engineer. Explaining every programming concept with simple, interesting examples. Free full versions on Substack: https://seabreeze0828.substack.com

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