Leo Han - DEV Community

Leo Han

Jul 30

From Overload Protection to Health Checks: Production-Grade Scheduling in Firefly

#scheduling

8 min read

Leo Han

Jul 30

Firefly: A Lightweight Distributed Scheduler for Java Business Systems

#scheduling

3 min read

Leo Han

Jul 30

LangChain Agents, Tools, and Memory

2 min read

Leo Han

Jul 30

LangGraph: Moving Agents from Answering to Controlled Execution

2 min read

Leo Han

Jul 30

A Complete Guide to LangChain Core Components

3 min read

Leo Han

Jul 30

LangChain Core Components: From Basics to Application Structure

3 min read

Leo Han

Jul 30

Agent Concepts, Principles, and Construction Patterns

2 min read

Leo Han

Jul 30

A Practical Guide to Building an AI Agent

2 min read

Leo Han

Jul 30

How RAG Works: A Detailed Walkthrough

2 min read

Leo Han

Jul 30

Why Consider Moving Away from LangChain

3 min read

Leo Han

Jul 30

How AI Models Work

3 min read

Leo Han

Jul 30

When AI Damages an Engineering Team

2 min read

Leo Han

Jul 30

Debugging a Database Executor-Selector Issue

#database

2 min read

Leo Han

Jul 30

Core Registration and Communication Flow in Elasticsearch

#database

3 min read

Leo Han

Jul 30

Elasticsearch Node Startup Flow

#database

3 min read

Leo Han

Jul 30

Building and Visualizing an Elasticsearch Cluster

#database

3 min read

Leo Han

Jul 30

Elasticsearch Architecture and Lucene Basics

3 min read

Leo Han

Jul 30

Dissecting the Principles of AQS

#juc

5 min read

Leo Han

Jul 30

The Well-Known Java Memory Model

#juc

3 min read

Leo Han

Jul 30

JUC: Atomic Classes and CAS Principles

#juc

4 min read

Leo Han

Jul 30

Notes on Using DelayQueue

#juc #java

3 min read

Leo Han

Jul 30

Optimizing Large MySQL Queries with Indexes

#juc #java #mysql

3 min read

Leo Han

Jul 30

The Subtleties of volatile

#juc

2 min read

Leo Han

Jul 30

RocketMQ Architecture Basics

#juc #rocketmq

2 min read

Leo Han

Jul 30

RocketMQ: How to Prevent Message Loss

#juc #rocketmq

2 min read

Leo Han

Jul 30

RocketMQ: How to Avoid Duplicate Consumption

#juc #rocketmq

2 min read

Leo Han

Jul 30

RocketMQ: How to Preserve Message Ordering

#juc #rocketmq

3 min read

Leo Han

Jul 30

RocketMQ: How to Handle Message Backlog

#juc #rocketmq

2 min read

Leo Han

Jul 30

RocketMQ Persistence Internals

#juc #rocketmq

3 min read

Leo Han

Jul 30

RocketMQ Producer Source Code Analysis

#juc #rocketmq

4 min read

Leo Han

Jul 30

JUC: Understanding the AQS Model

#juc #rocketmq

3 min read

Leo Han

Jul 30

JUC: Understanding LockSupport

#juc

3 min read

Leo Han

Jul 30

JDK: Understanding List

#juc #jdk

3 min read

Leo Han

Jul 30

JVM Memory Model and GC Tuning

#juc #jdk #jvm

3 min read

Leo Han

Jul 30

A Practical Discussion on Microservice Decomposition

#juc #jdk #jvm #microservices

2 min read

Leo Han

Jul 30

JDK: Understanding Map

#juc #jdk #jvm #microservices

3 min read

Leo Han

Jul 30

Concurrent Programming: Preface

#juc #jdk #jvm #microservices

2 min read

Leo Han

Jul 30

The Nature of Threads

#juc #jdk #jvm #microservices

4 min read

Leo Han

Jul 30

Locks and Concurrency

#juc #jdk #jvm #microservices

4 min read

Leo Han

Jul 24

Firefly: A Lightweight Distributed Scheduler for Java Applications

6 min read

Leo Han

Jun 15

LangGraph: Engineering Controllable Enterprise Agents

#agents #ai #architecture #llm

3 min read

Leo Han

Jun 15

LangChain Agents, Tools, and Memory: An Enterprise Engineering Guide

#agents #ai #llm #softwareengineering

3 min read

Leo Han

Jun 12

LangChain-Core-Components-Guide

1

8 min read

Leo Han

Jun 9

why-we-dropped-langchain

#discuss #ai #llm #softwareengineering

6 min read

Leo Han

Jun 9

rag-explained-how-it-works

#ai #llm #rag #tutorial

5 min read

Leo Han

Jun 9

building-ai-agents-right-way

#agents #ai #architecture #softwareengineering

4 min read

Leo Han

Jun 9

agents-concepts-principles-patterns

#agents #ai #architecture #llm

5 min read

Leo Han

May 26

In what way do AI models operate

#ai #deeplearning

7 min read

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