# 220. Heart Tree

> The cover photo was taken at the Jingshan Flower Sea—a tree 🌳 that has a great feel to it, looking very refined especially from a distance.

- Issue: 220
- Published: 2025/04/28
- HTML: https://weekly.tw93.fun/en/posts/220
- JSON: https://weekly.tw93.fun/api/en/posts/220.json
- Chinese original: https://weekly.tw93.fun/posts/220.md

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<img src="https://cdn.tw93.fun/blog/upic/1745756932.jpg" width="800" />

<small>The cover photo was taken at the Jingshan Flower Sea—a tree 🌳 that has a great feel to it, looking very refined especially from a distance.</small>

> **Record the down-to-earth trending technologies seen every week, and publish them here after screening. If you find it good, you can follow this weekly to get update notifications.**

## Trending Tools

**Incomplete Guide to Human System Optimization**  
<https://github.com/zijie0/HumanSystemOptimization>  
This "Incomplete Guide to Human System Optimization"—studying health to live to 150—is well-organized. Maintaining sleep duration and quality, not smoking, exercising every day, and reducing sugar intake isn't actually that hard; the hard part is persistence.  
<img src="https://cdn.tw93.fun/blog/upic/1745756404.png" width="800" />

**Cleanup unnecessary `head` information**  
<https://getoutofmyhead.dev/>  
This website points out whether various `head` tags are necessary. Many applications could use a good cleanup of their head sections, including removing redundant ones.  
<img src="https://cdn.tw93.fun/blog/upic/1745755807.png" width="800" />

**How to choose a suitable open-source license**  
<https://choosealicense.com>  
Choosing a proper open-source license is important for both authors and users. Many companies pay attention to licenses when using projects. I found that I often get lazy and just use MIT for many of mine.  
<img src="https://cdn.tw93.fun/blog/upic/1745756275.png" width="800" />

## Just Looking Around

**How to avoid skill atrophy in the AI era**  
<https://addyo.substack.com/p/avoiding-skill-atrophy-in-the-age>  
How to use AI Coding without letting your hard-earned engineering skills disappear.  
<img src="https://cdn.tw93.fun/blog/upic/1745755355.png" width="800" />

**How to fast charge your phone: Fast charging technologies in detail**  
<https://eb43.github.io/articles/fast-charging-technologies-in-detail.html>  
Charger enthusiasts can check this out—written by someone abroad, with quite a lot of discussion on [Hacker News](https://news.ycombinator.com/item?id=43766728).

**Online fault emergency handling: Summary of over 4 years of on-call experience**  
<https://jt26wzz.com/posts/0007-online-firefighting-real-world-lessions-from-4-years-on-call/>  
The author's first job was in CDN infrastructure R&D. Given the product scale, there were quite a few failures back then, leading to many lessons. The article introduces the golden rules he keeps in mind during emergency firefighting.

**Be wary of stopping thinking in the AI era**  
<https://www.dutchosintguy.com/post/the-slow-collapse-of-critical-thinking-in-osint-due-to-ai>  
The more confidence people have in AI, the less they engage in independent thinking. Conversely, the more they distrust AI, the more likely they are to question results, verify information, and think deeply. Users aren't lazy at first—many are experienced engineers—but when AI gives results quickly, confidently, and clearly, they might give up the thinking part due to inertia, stopping questioning and verification, and accepting everything.