Su San Talks Tech
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Su San Talks Tech

Su San, former staff at several leading tech companies, is a top creator on Juejin and a premium creator on CSDN, and runs the free coding practice site www.susan.net.cn.

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Recent Articles

Latest from Su San Talks Tech

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Su San Talks Tech
Su San Talks Tech
Jun 5, 2026 · Backend Development

A Comprehensive Guide to Java Tech Stack Skills for AI Agents

This guide curates essential AI Agent Skills for the Java ecosystem, covering backend tools like Spring Boot, MyBatis‑Plus, and Redis, frontend frameworks such as Vue and React, installation commands, custom Skill examples, and recommended full‑stack workflows to boost project productivity.

AI Agent SkillsBackend DevelopmentFrontend Development
0 likes · 12 min read
A Comprehensive Guide to Java Tech Stack Skills for AI Agents
Su San Talks Tech
Su San Talks Tech
Jun 4, 2026 · Backend Development

Comprehensive Guide to Spring Boot AI Agent Skills

This guide presents a curated overview of Spring Boot AI Agent Skills, detailing top repositories, installation steps, core functionalities, integration with Spring AI, and step‑by‑step instructions for creating custom Skills to boost development productivity and code quality.

AI AgentSkillsSpring Boot
0 likes · 12 min read
Comprehensive Guide to Spring Boot AI Agent Skills
Su San Talks Tech
Su San Talks Tech
Jun 2, 2026 · Backend Development

MybatisPlus Pro: Supercharging CRUD Development Efficiency

This article analyzes MybatisPlus Pro, explaining how it eliminates repetitive CRUD code in MyBatis‑Plus projects by providing a BaseController and utility classes that auto‑generate service and controller layers, while also detailing its internal mechanisms, advantages, drawbacks, suitable scenarios, and common pitfalls.

CRUDCode GenerationJava
0 likes · 22 min read
MybatisPlus Pro: Supercharging CRUD Development Efficiency
Su San Talks Tech
Su San Talks Tech
Jun 1, 2026 · Artificial Intelligence

How to Connect Codex with DeepSeek V4 – A Complete Step‑by‑Step Guide

This article walks through two practical solutions—using cc‑switch or Codex++—to bridge Codex's Responses API with DeepSeek V4's Chat Completions, covering installation, API‑key retrieval, configuration, testing, common pitfalls, and a comparison of which method suits different user preferences.

API integrationChat CompletionsCodex
0 likes · 10 min read
How to Connect Codex with DeepSeek V4 – A Complete Step‑by‑Step Guide
Su San Talks Tech
Su San Talks Tech
Jun 1, 2026 · Backend Development

Can Java 21’s Virtual Threads Make Thread Pools Obsolete?

The article examines whether Java 21’s cheap virtual threads can replace traditional thread pools, explaining the original purpose of pools, their role as natural throttlers, scenarios where virtual threads excel or fail, and practical guidelines to avoid pitfalls like pinning.

ConcurrencyJavaJava 21
0 likes · 7 min read
Can Java 21’s Virtual Threads Make Thread Pools Obsolete?
Su San Talks Tech
Su San Talks Tech
May 31, 2026 · Artificial Intelligence

How Claude Code, Codex, and OpenCode Can Cut Token Usage by Up to 80%

The article breaks down why input tokens dominate 70‑90% of LLM costs and provides concrete, platform‑specific techniques—file filtering, context compression, documentation drives, memory caching, plan mode, output trimming, and model switching—that together can reduce token consumption by 20‑90% across Claude Code, Codex, and OpenCode.

AI coding assistantsClaude CodeCodex
0 likes · 10 min read
How Claude Code, Codex, and OpenCode Can Cut Token Usage by Up to 80%
Su San Talks Tech
Su San Talks Tech
May 30, 2026 · Databases

Why PostgreSQL Beats MySQL for AI‑Driven Applications

The article explains why many developers stuck with MySQL should consider PostgreSQL, highlighting its superior SQL standards support, MVCC concurrency, rich indexing, JSONB performance, full‑text search, extensive extensions, and practical installation and Java integration steps, while also comparing pros, cons, and ideal use cases.

DatabaseJSONBJava
0 likes · 24 min read
Why PostgreSQL Beats MySQL for AI‑Driven Applications
Su San Talks Tech
Su San Talks Tech
May 29, 2026 · Artificial Intelligence

How Opus 4.8 Lets Claude Code Form Dynamic Agent Teams

Claude's Opus 4.8 upgrade introduces modest performance gains, stronger honesty, and a new dynamic‑workflows feature that lets the model orchestrate dozens of sub‑agents to tackle large‑scale coding tasks such as full‑repo bug hunts, migrations, and security audits.

AI codingClaudeDynamic Workflows
0 likes · 12 min read
How Opus 4.8 Lets Claude Code Form Dynamic Agent Teams
Su San Talks Tech
Su San Talks Tech
May 28, 2026 · Artificial Intelligence

Step-by-Step Guide to Installing Codex App and CLI on macOS and Windows

This article provides a comprehensive, step‑by‑step tutorial for installing the OpenAI Codex desktop App and command‑line interface on both macOS and Windows, covering official store installation, MSIX sideloading, PowerShell scripts, npm mirrors, verification steps, and common troubleshooting for Chinese network environments.

AppCLICodex
0 likes · 12 min read
Step-by-Step Guide to Installing Codex App and CLI on macOS and Windows
Su San Talks Tech
Su San Talks Tech
May 28, 2026 · Artificial Intelligence

9 Hard‑Earned Lessons from Anthropic Engineers on Building Claude Code Skills

Anthropic engineers share a detailed, experience‑driven guide that categorises Claude Code Skills into nine types, explains why Skills are folders, highlights the importance of Gotchas, flexible prompts, description triggers, memory, hooks and team distribution, and provides concrete examples for each.

AI automationClaudeCode Skills
0 likes · 16 min read
9 Hard‑Earned Lessons from Anthropic Engineers on Building Claude Code Skills