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The Dominant Programmer
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The Dominant Programmer

Resources and tutorials for programmers' advanced learning journey. Advanced tracks in Java, Python, and C#. Blog: https://blog.csdn.net/badao_liumang_qizhi

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Recent Articles

Latest from The Dominant Programmer

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The Dominant Programmer
The Dominant Programmer
Jul 12, 2026 · Artificial Intelligence

Complete Guide to Building a Spring AI + Ollama Embedding Vectorization Project

This guide walks through adding embedding support to a Spring AI application by configuring Ollama, creating an EmbeddingService for vector generation and similarity calculations, exposing REST endpoints via EmbeddingController, and providing a simple HTML front‑end for interactive testing, with step‑by‑step instructions and code samples.

JavaOllamaREST API
0 likes · 19 min read
Complete Guide to Building a Spring AI + Ollama Embedding Vectorization Project
The Dominant Programmer
The Dominant Programmer
Jul 9, 2026 · Backend Development

Full Spring Boot Example: Integrating Spring AI with Local Ollama for Fast AI Chat

This tutorial walks through installing Ollama, configuring JDK 17, adding Spring AI dependencies, setting up application.yml, implementing a chat controller, creating launch scripts, testing the endpoints, and comparing local Ollama with Alibaba Cloud Bailei, highlighting cost‑free, private, offline AI chat in a Spring Boot project.

ChatbotJavaLocal LLM
0 likes · 16 min read
Full Spring Boot Example: Integrating Spring AI with Local Ollama for Fast AI Chat
The Dominant Programmer
The Dominant Programmer
Jul 5, 2026 · Backend Development

Full Hands‑On Guide: Extending Spring AI Workflow Engine with Human‑in‑the‑Loop Approval

This article walks through adding a zero‑dependency human‑approval node to a Spring AI YAML‑DSL workflow engine, detailing the problem of critical business decisions, the JDK‑based pause‑and‑resume architecture, step‑by‑step code changes, best‑practice recommendations, and real‑world use cases such as large‑payment and content‑review approvals.

Backend developmentHuman-in-the-loopJava Concurrency
0 likes · 24 min read
Full Hands‑On Guide: Extending Spring AI Workflow Engine with Human‑in‑the‑Loop Approval
The Dominant Programmer
The Dominant Programmer
Jul 3, 2026 · Backend Development

Full Guide to Integrating External APIs with Qoder: Configurations, Service Comparison, and Hands‑On Examples

This article walks through Qoder's supported external API integration methods, details step‑by‑step MCP configuration, compares three transport protocols, provides multiple concrete configuration examples in Python and Node.js, and offers troubleshooting tips and official resource links for successful API integration.

API integrationMCPNode.js
0 likes · 10 min read
Full Guide to Integrating External APIs with Qoder: Configurations, Service Comparison, and Hands‑On Examples
The Dominant Programmer
The Dominant Programmer
Jul 2, 2026 · Backend Development

Understanding Redisson from Scratch: A Java Distributed Toolbox Guide and Hands‑On

This article introduces Redisson, a Redis‑based Java client that wraps Redis commands into familiar Java concurrency primitives, compares it with Jedis and Lettuce, explains why custom distributed locks are error‑prone, and provides step‑by‑step code for configuring, using, and integrating its core features such as locks, maps, queues, and rate limiters in Spring Boot.

JavaRate LimiterRedis
0 likes · 16 min read
Understanding Redisson from Scratch: A Java Distributed Toolbox Guide and Hands‑On
The Dominant Programmer
The Dominant Programmer
Jun 9, 2026 · Backend Development

Collect URLs and Async Convert to PDF for ZIP Download (Spring Boot + Feign)

An online education platform needs to batch‑download course materials from self‑hosted courses, partner APIs, and archived PDFs; the article details a Spring Boot service that aggregates URLs, signs them, distinguishes direct downloads, submits an asynchronous PDF conversion and ZIP packaging task via Feign, and returns a task ID for front‑end polling.

AsyncFeignJava
0 likes · 15 min read
Collect URLs and Async Convert to PDF for ZIP Download (Spring Boot + Feign)
The Dominant Programmer
The Dominant Programmer
Jun 7, 2026 · Backend Development

Executing Asynchronous Operations After Spring Transaction Commit: Principles, Pitfalls, and Best Practices

The article explains why sending messages before a Spring transaction commits can cause data inconsistency, and demonstrates how to reliably execute asynchronous actions such as MQ notifications after a successful commit using TransactionSynchronization, custom collectors, and @TransactionalEventListener, while highlighting common pitfalls and mitigation strategies.

AsynchronousJavaMQ
0 likes · 16 min read
Executing Asynchronous Operations After Spring Transaction Commit: Principles, Pitfalls, and Best Practices