Engineering practice and product thinking by Erduohttps://erduo.me/https://erduo.me/en/blog/pruning-ai-workflow/https://erduo.me/en/blog/pruning-ai-workflow/In computer science, this is called pruning. Through a complete iterative process of building a TikTok video summarization tool, learn how to optimize AI workflows to the extreme using pruning thinking.Wed, 18 Mar 2026 00:00:00 GMThttps://erduo.me/en/blog/nine-prompt-engineering-principles/https://erduo.me/en/blog/nine-prompt-engineering-principles/Nine efficient principles summarized from four prompt engineering whitepapers: from efficiency formulas to pipeline splitting, from XML tags to parameter configuration—transforming prompts from one-time conversations into reusable assets.Sun, 01 Mar 2026 00:00:00 GMThttps://erduo.me/en/blog/nano-banana-version-logic/https://erduo.me/en/blog/nano-banana-version-logic/Explaining the version numbering logic of Google's Gemini Image series (Nano Banana), and why Nano Banana 2 didn't surpass Nano Banana Pro.Thu, 26 Feb 2026 00:00:00 GMThttps://erduo.me/en/blog/seven-claude-code-tips/https://erduo.me/en/blog/seven-claude-code-tips/From Plan mode to Sub-fractal Architecture, from MCP retrieval to Agent collaboration—seven battle-tested tips to double your Claude Code efficiency.Sun, 08 Feb 2026 00:00:00 GMThttps://erduo.me/en/blog/altman-five-insights/https://erduo.me/en/blog/altman-five-insights/After watching OpenAI CEO Altman's live interview: the future of software engineers, GTM bottlenecks, competitive moats for AI products, GPT-5 writing issues, and the most critical skills in the AI era.Fri, 30 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/why-skill-quality-differs/https://erduo.me/en/blog/why-skill-quality-differs/Writing a Skill requires planning first. Using daily digest scraping as a case study, this article breaks down how technical research can create order-of-magnitude improvements in Skill stability, speed, and Token consumption.Mon, 26 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/clash-gigabit-speed-fix/https://erduo.me/en/blog/clash-gigabit-speed-fix/From selecting a Clash distribution to tuning Tun stack mode, I troubleshot the proxy speed issue step by step and finally pinpointed the performance bottleneck caused by DNS resolution going through gVisor.Thu, 22 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/x-algorithm-open-source/https://erduo.me/en/blog/x-algorithm-open-source/X officially open-sourced the x-algorithm project, completely exposing the core code of its recommendation system. An in-depth analysis of positive/negative weight parameters and Grok transformer-driven recommendation mechanism.Tue, 20 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/diy-typeless-asr-prompt/https://erduo.me/en/blog/diy-typeless-asr-prompt/Voice recognition post-processing prompt V2 — implemented with GLM-4.7 for intelligent ASR cleaning, aggressively strips filler words and fixes mixed Chinese-English terminology.Fri, 16 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/skill-hands-on-guide/https://erduo.me/en/blog/skill-hands-on-guide/A practical guide to learning Skill: from setting goals to understanding concepts to learning by doing. Step-by-step guide to creating automation Skills that actually improve your productivity.Wed, 14 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/dan-agency-next-decade/https://erduo.me/en/blog/dan-agency-next-decade/An exploration of Dan's article on why 'agency' is the most critical skill in the AI era, and how to reflect, iterate, and act like an Agent.Tue, 13 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/skill-equals-agent-workflow/https://erduo.me/en/blog/skill-equals-agent-workflow/Reviewing Anthropic's "Building effective agents" and understanding why Skill is the fusion of Agent and Workflow.Mon, 12 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/mcp-vs-skill-boundary/https://erduo.me/en/blog/mcp-vs-skill-boundary/MCP provides remote service capabilities; Skill is a local Agent SOP orchestrator. Understanding their boundaries helps you choose the right tool for the right job.Sat, 10 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/agent-five-design-patterns/https://erduo.me/en/blog/agent-five-design-patterns/From delegation to state machines, this article breaks down four common design patterns in AI Agent design: Orchestrator-Workers, Pipeline, Circuit Breaker, and State Machine.Wed, 07 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/agent-four-elements/https://erduo.me/en/blog/agent-four-elements/LLM + Memory + Planner + Tool Use = AI Agent. A breakdown of Agent components, the ReAct design pattern, and why the same model can produce vastly different results across different products.Tue, 06 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/opencode-hidden-gem/https://erduo.me/en/blog/opencode-hidden-gem/A free, open-source AI coding combo that combines all the strengths of Claude Code and AmpCode, even surpassing them in certain aspects.Sat, 03 Jan 2026 00:00:00 GMThttps://erduo.me/en/blog/pacer-learning-method/https://erduo.me/en/blog/pacer-learning-method/An breakdown of Justin Sung's PACER system, explaining five types of knowledge from a neuroscience perspective and their corresponding efficient learning strategies.Sat, 27 Dec 2025 00:00:00 GMThttps://erduo.me/en/blog/gemini-image-workflow/https://erduo.me/en/blog/gemini-image-workflow/Sharing a complete workflow for generating images with Gemini: let AI do the planning first, generate specialized prompts, then iterate and optimize the results.Mon, 22 Dec 2025 00:00:00 GMThttps://erduo.me/en/blog/life-kline-bazi-analysis/https://erduo.me/en/blog/life-kline-bazi-analysis/With background in both trading and metaphysics, I provide a detailed analysis of the Four Pillars BaZi theory behind the "Life K-Line" website, its decade cycle system, and the crypto industry propaganda mixed into the interpretations.Mon, 15 Dec 2025 00:00:00 GMThttps://erduo.me/en/blog/china-us-stock-investment-path/https://erduo.me/en/blog/china-us-stock-investment-path/Two approaches for Mainland Chinese to invest in US stocks (Hong Kong brokerage / US brokerage), the truth behind QDII quotas, and why domestic ETFs remain the choice for most people.Thu, 11 Dec 2025 00:00:00 GMThttps://erduo.me/en/blog/tun-mode-proxy-explained/https://erduo.me/en/blog/tun-mode-proxy-explained/From OS-level network proxies to TUN virtual interfaces, this article explains the fundamental differences between proxy mode and TUN mode, and why TUN mode is better at concealing proxy status.Tue, 02 Dec 2025 00:00:00 GMT