JS 动画慢的真正的原因只有一个：JS 动画跑在 main thread 上，跟应用里的所有其他 JS 抢 CPU。 做前端动画的，几乎都听过这句话："CSS 动画比 JavaScript 快，能用 CSS 就别用 JS。" 但很少有人追问：为什么快？快多少？JS 库有没有办法绕过这个瓶颈？ Josh W. Comeau ...

Discover HTML's role in web content display and navigation. Learn about its foundational functions, evolution, and significance in website creation.

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之前预告过的那个「手机上的 Markdown / HTML 阅读器」做完了,叫 即览。它解决的是一个很小、但最近越来越烦的问题别人从微信、文件 App 或群里发你一份 AI 报告、网页 PPT、Markdown ...

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"我的RAG召回率只有40%，已经把Chunk大小调到512了，混合检索也加了，还是不行，到底哪里出问题了？"我说你把相似度计算方式发来看看。 前段时间一个学员在群里问： "我的RAG召回率只有40%，已经把Chunk大小调到512了，混合检索也加了，还是不行，到底哪里出 ...