Yi's Blog

Jane Street’s January 2026 puzzle1, “Dropped a Neural Net”, presents a deceptively simple premise: a neural network was “dropped” and its 97 pieces scattered.

What if you could build a model that solves complex Sudoku puzzles, navigates mazes, and tackles abstract reasoning — all with just 27 million parameters and 1,000 training examples?

You’ve probably seen AI tools that can erase objects from photos and fill in the gap seamlessly.

If you’ve explored image generation, segmentation, or diffusion models, you’ve probably heard of U-Net.

After building a text-only transformer for name generation, I wanted to tackle something more ambitious: teaching a model to describe images.

After months of reading about transformers and LLMs, I finally decided to build one from scratch.

Have you ever worked on a Guitar Pro tab, saved it, and then realized you couldn’t edit it anymore because it was “locked”?

Cross Gate (魔力宝贝) was one of the most influential MMORPGs in Taiwan and China during the early 2000s.

After 15+ years of note-taking, I finally said goodbye to Evernote.

最近读到的一本文字流畅，内容清爽的小书。

纳瓦尔·拉维坎特（Naval Ravikant）在《纳瓦尔宝典》中不仅分享了他关于财富和幸福的智慧，还推荐了大量影响他思维的优质书籍和博客。

每个人都是一座冰山。

I tried Claude Code this week, and instantly felt the empowerment from the tool, and was stunned by how naturally it blends into developer workflows.

为了增加用户活跃度，微信读书团队开发了一个微信小游戏——问答 PK。

Sundar Pichai: CEO of Google and Alphabet | Lex Fridman Podcast: Sundar Pichai views “moonshot” projects as crucial for several reasons: Driving Innovation: He believes that aiming for audacious, seemingly impossible goals, like the original moon landing,…

To monitor our baby from other rooms, we purchased a Nanit Baby Monitor.

独立思考的人， 笃定真理一定存在， 但可能不是他心中的模样。

使用了一整天 MacWhisper 之后的感受： 语音输入文字本身并不是什么新鲜的功能，但就像 iPhone 键盘 的诞生一样，它背后仿佛存在着一道无形的界限——在跨越这道界限之前，一切都显得繁琐笨重；而一旦突破，用户才能真正感受到那种 Magic Moment，仿佛一切变得自然、顺畅，甚至有些神奇。

《思辨力35讲：像辩手一样思考》是最近读到的干货满满的一本书。

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