# 41. A Stand of Straight Trees

> Taken at Guo Mansion in Hangzhou. It’s a beautiful spot, especially this path through the perfectly straight trees. Highly recommended for a quiet walk on a sunny day.

- Issue: 41
- Published: 2021/08/31
- HTML: https://weekly.tw93.fun/en/posts/41
- JSON: https://weekly.tw93.fun/api/en/posts/41.json
- Chinese original: https://weekly.tw93.fun/posts/41.md

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<img src="https://gw.alipayobjects.com/zos/k/66/qsyH2T.jpg" width="800" />

<small>Taken at Guo Mansion in Hangzhou. It’s a beautiful spot, especially this path through the perfectly straight trees. Highly recommended for a quiet walk on a sunny day.</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.**

## Front-End Technology

**Common Terms in Machine Learning Explained**  
<https://mp.weixin.qq.com/s/JNpdys7MT-EXcgguQwt9Ag>  
I only knew about a third of these when I started. Google’s summary is incredibly thorough—a perfect primer for the field.

**A Comprehensive Guide to Client-Side Error Monitoring**  
<https://juejin.cn/post/6987681953424080926>  
A well-rounded, down-to-earth look at everything involved in building your own monitoring system from scratch.

**Useful Chrome DevTools Tips and Tricks**  
<https://juejin.cn/post/6987752907579850765>  
The kind of tips that are useful every day but surprisingly easy to forget. Worth a quick review to keep your skills sharp.

**Inside Chrome: How the V8 Engine Really Works**  
<https://segmentfault.com/a/1190000040331440>  
If you've ever wondered how your JavaScript actually gets executed, this is the article for you.

## Trending Open Source

**wifi-card: Print QR Codes to Share Your WiFi**  
<https://github.com/bndw/wifi-card>  
The principle is simple but brilliant. the encoded format is just `WIFI:T:WPA;S:SSID;P:PASSWORD;;`. A very handy tool for guest convenience.  
<img src="https://cdn.tw93.fun/blog/upic/12TLth.jpg" width="800" />

**Hyper.js: A Beautiful, Extensible Terminal**  
<https://hyper.is/>  
Built by the Vercel team using web technologies. If you value aesthetics in your CLI world, this is definitely worth a look.  
<img src="https://cdn.tw93.fun/blog/upic/VJaUFU.jpg" width="800" />

**Yozora: High-Performance Markdown Parser**  
<https://github.com/yozorajs/yozora>  
Converts Markdown and its various extensions into a clean, queryable Abstract Syntax Tree (AST).  
<img src="https://cdn.tw93.fun/blog/upic/QvKk7B.jpg" width="800" />

**fnm: A Fast and Simple Node Version Manager**  
<https://github.com/Schniz/fnm>  
Written in Rust, which means it’s blazing fast and easy to set up.

## Just Looking Around

**7 Classical Solutions for Distributed Transactions**  
<https://segmentfault.com/a/1190000040321750>  
Using a simple bank transfer as an example, this article explains the different patterns used to ensure that cross-service operations either fully succeed or fully fail.

**The Reality of Leaving Tech to Open a Milk Tea Shop**  
<https://mp.weixin.qq.com/s/VY2fOkWAvnhRYaOfSff0yQ>  
I see new shops open and close downstairs nearly every other month. Building something in the physical world is incredibly tough—be careful what you wish for!

**How to Protect Your Eyesight as a Developer**  
<https://www.v2ex.com/t/791544#reply37>  
A collection of tips and experiences from fellow devs on managing eye strain and long-term vision health.