An engineering notebook on AI, systems, and everyday experiments.

GPT-4 and Copilot reduced a week-long NLP task to 10 minutes—building a natural language text editor with JSON output. Even prompt engineering can be automated by AI.

语音速记工具升级为想法迭代系统：GPT不只是转录，还能提出启发性问题、挑战假设，帮助深化思考后再输出，自动导出到Notion。

Evolving a voice transcription tool into an idea iteration system: GPT not just transcribes but asks insightful questions, challenges assumptions, and helps refine thoughts before output.

GPT重塑知识管理：语音录入降低门槛，自动总结构建知识网络，对话式UI可能取代传统图形界面，Telegram Bot实践案例。

GPT transforms knowledge management: voice capture lowers barriers, automatic summarization builds knowledge networks, and conversational UI replaces traditional GUIs.

用一小时开发语音转文字笔记工具：结合Whisper API语音识别和GPT-4文本整理，大幅提升写作效率，代码已开源。

Build a voice-to-text note-taking tool using OpenAI's Whisper API and GPT-4 in about an hour—transcribe speech, correct errors, and reorganize into polished text.

索尼SA-Z1音箱用FPGA神经网络处理实现大空间音场效果，石头S7 MaxV Ultra扫拖一体机比云鲸更干净更聪明，两个让人印象深刻的产品体验。

机器学习系统设计面试的核心：通过"你预见到哪些困难"这个问题串联考察目标定义、技术取舍、架构设计、扩展性思维等多维度能力。

Staff+ IC职业发展心得：与同级别Manager平行而非隶属、不同级别间是并列而非递进关系、升职很大程度上靠命和贵人相助，别卷，接受自己能影响的边界。