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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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Latest from Su San Talks Tech

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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

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.

DatabaseFull-Text SearchJSONB

0 likes · 24 min read

Why PostgreSQL Beats MySQL for AI‑Driven Applications

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 codingClaudeOpus 4.8

0 likes · 12 min read

How Opus 4.8 Lets Claude Code Form Dynamic Agent Teams

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

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

Su San Talks Tech

May 27, 2026 · Artificial Intelligence

Next AI Draw.io: AI‑Powered Diagramming 10× Faster Than Visio

The article introduces Next AI Draw.io, an AI‑enhanced web app that integrates with Claude Code to generate architecture, sequence, use‑case, activity, and mind‑map diagrams via natural‑language prompts, offering a workflow claimed to be ten times faster than traditional Visio drawing.

AI diagrammingClaude CodeMCP

0 likes · 5 min read

Next AI Draw.io: AI‑Powered Diagramming 10× Faster Than Visio

Su San Talks Tech

May 27, 2026 · Artificial Intelligence

Why Switch from Hand‑Written HTTP Calls to Spring AI for Large‑Model Integration?

The article analyzes the drawbacks of manually coding HTTP calls to large language models—hard‑coded keys, fragile request construction, missing retries, and poor observability—and demonstrates how Spring AI’s layered abstraction, unified configuration, built‑in resilience, function calling, RAG support, and seamless Spring ecosystem integration solve these problems for production‑grade Java applications.

Function CallingJavaLLM

0 likes · 24 min read

Why Switch from Hand‑Written HTTP Calls to Spring AI for Large‑Model Integration?

Su San Talks Tech

May 26, 2026 · Backend Development

Mybatis-Plus vs Mybatis-Flex: Which ORM Framework Is Best for Your Project?

This article provides a detailed comparison between Mybatis-Plus and Mybatis-Flex, examining their design philosophies, core mechanisms, feature sets, performance benchmarks, database support, dependency weight, and community maturity, and offers practical guidance on choosing the right framework for different project scenarios.

Feature ComparisonJavaMybatis-Flex

0 likes · 19 min read

Mybatis-Plus vs Mybatis-Flex: Which ORM Framework Is Best for Your Project?

Su San Talks Tech

May 26, 2026 · Artificial Intelligence

9 Powerful AI Coding Efficiency Techniques to Supercharge Your Development

AI can speed up development, but many waste time on repetitive tasks; this guide explains nine practical techniques—including model selection, prompt control, parallel agents, slash commands, MCP integration, and automation scripts—to dramatically boost coding productivity with tools like Cursor and Claude Code.

AIClaude CodeCursor

0 likes · 32 min read

9 Powerful AI Coding Efficiency Techniques to Supercharge Your Development

Su San Talks Tech

May 25, 2026 · Artificial Intelligence

CC GUI: The Open‑Source 3.3k‑Star Companion that Brings Claude Code and Codex Directly into IntelliJ IDEA

CC GUI is a free MIT‑licensed IntelliJ IDEA plugin that wraps Claude Code and Codex CLI agents into a full visual workspace, offering dual‑engine switching, context‑aware dialogue, embedded diff, token tracking, plan mode and other features while comparing favorably to the lightweight ACP approach and other JetBrains AI agents.

AI coding assistantClaude CodeCodex

0 likes · 11 min read