Programmer DD
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Programmer DD

A tinkering programmer and author of "Spring Cloud Microservices in Action"

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Latest from Programmer DD

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Programmer DD
Programmer DD
May 16, 2025 · Backend Development

Choosing the Right Real‑Time Web Technique: SSE, WebSocket or Long Polling?

This article compares three classic real‑time web technologies—Server‑Sent Events, WebSocket, and Long Polling—explaining their principles, Spring Boot implementations, advantages, disadvantages, and suitable scenarios to help developers select the optimal solution for live data updates.

SSESpring BootWebSocket
0 likes · 6 min read
Choosing the Right Real‑Time Web Technique: SSE, WebSocket or Long Polling?
Programmer DD
Programmer DD
May 15, 2025 · Backend Development

Boost Spring Boot Performance 3× with JVM Tuning: Practical Parameters

After caching, indexing, and async optimizations still leave a Spring Boot REST API sluggish, this guide shows how fine‑tuning JVM options—such as enabling G1GC, adjusting pause targets, compressing class metadata, shrinking thread stacks, and pre‑touching memory—can triple response speed without changing application code.

JVMJavaPerformance Tuning
0 likes · 7 min read
Boost Spring Boot Performance 3× with JVM Tuning: Practical Parameters
Programmer DD
Programmer DD
May 13, 2025 · Frontend Development

How I Built a Cross‑Platform Audio/Video App in Hours with AI‑Powered CodeBuddy

This article chronicles how a developer transformed the TransDuck audio‑video SaaS tool into a native desktop application using Tauri, Vue, and ffmpeg, while leveraging the AI‑driven CodeBuddy extension to automate project scaffolding, code generation, error fixing, and UI refinement, cutting development time from days to a few hours.

AI-assisted developmentTauriaudio processing
0 likes · 10 min read
How I Built a Cross‑Platform Audio/Video App in Hours with AI‑Powered CodeBuddy
Programmer DD
Programmer DD
May 13, 2025 · Backend Development

Why PocketBase Is the Ultimate One‑File Backend for Rapid Development

PocketBase is a lightweight, Go‑based open‑source backend that bundles a real‑time SQLite database, user management, file storage, and a visual admin panel into a single executable, offering fast deployment, extensible APIs, and easy Docker or binary installation for small‑to‑medium projects.

APIGoPocketBase
0 likes · 4 min read
Why PocketBase Is the Ultimate One‑File Backend for Rapid Development
Programmer DD
Programmer DD
Apr 29, 2025 · Artificial Intelligence

Why Qwen3 Is Redefining Open‑Source LLMs: Mixed‑Inference Power and Unmatched Performance

Qwen3, Alibaba’s latest open‑source large language model, introduces a pioneering mixed‑inference architecture that blends top‑tier reasoning and non‑reasoning capabilities, delivering record‑breaking benchmark scores, multilingual support for 119 languages, cost‑effective deployment, and a 128K context window, now accessible via Ollama and OpenRouter.

AI benchmarkLarge Language ModelQwen3
0 likes · 5 min read
Why Qwen3 Is Redefining Open‑Source LLMs: Mixed‑Inference Power and Unmatched Performance
Programmer DD
Programmer DD
Mar 25, 2025 · Artificial Intelligence

How to Build an MCP Client‑Server with Spring AI for LLM‑Powered Apps

This article demonstrates how to implement the Model Context Protocol (MCP) using Spring AI, covering the creation of MCP hosts, clients, and servers, configuring dependencies, integrating Claude, adding Brave Search and filesystem tools, and building a functional chatbot that leverages external data sources through standardized LLM interfaces.

LLMModel Context Protocolai-integration
0 likes · 15 min read
How to Build an MCP Client‑Server with Spring AI for LLM‑Powered Apps
Programmer DD
Programmer DD
Mar 6, 2025 · Artificial Intelligence

Discover QwQ-32B: A 32B LLM Matching 671B DeepSeek‑R1 Performance

The QwQ-32B model, released by Alibaba Cloud, delivers DeepSeek‑R1‑level results with only 32 billion parameters, offers integrated agent capabilities, is open‑source under Apache 2.0, and can be quickly deployed locally via Ollama or integrated into Java applications using Spring AI.

AI inferenceLarge Language ModelOllama
0 likes · 4 min read
Discover QwQ-32B: A 32B LLM Matching 671B DeepSeek‑R1 Performance
Programmer DD
Programmer DD
Feb 10, 2025 · Artificial Intelligence

How to Access DeepSeek‑R1 671B Model for Free via Tencent Cloud

This guide shows how to obtain a free API key from Tencent Cloud's Knowledge Engine, configure OpenAI SDK or a chat client, and call the full‑size 671B DeepSeek‑R1 model without local hardware constraints, with step‑by‑step instructions and sample code.

APIDeepSeekFree Access
0 likes · 6 min read
How to Access DeepSeek‑R1 671B Model for Free via Tencent Cloud