# 139. Tools of the Trade

> The cover photo shows my new 16-inch M2 Pro MacBook. I’ve been setting it up over the weekend—it’s incredibly fast compared to my old 16-inch model, the battery is amazing, and the keyboard is a joy to use. Love it.

- Issue: 139
- Published: 2023/07/31
- HTML: https://weekly.tw93.fun/en/posts/139
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- Chinese original: https://weekly.tw93.fun/posts/139.md

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<img src="https://gw.alipayobjects.com/zos/k/bi/139.jpg" width="800" />

<small>The cover photo shows my new 16-inch M2 Pro MacBook. I’ve been setting it up over the weekend—it’s incredibly fast compared to my old 16-inch model, the battery is amazing, and the keyboard is a joy to use. Love it.</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.**

## Technical Related

**How Does the Chrome Browser Actually Work?**  
<https://mp.weixin.qq.com/s/wjrcO2Ej7BEThWVsCnXEtA>  
A very detailed breakdown of Chrome's internal architecture. highly recommended for any frontend developer.

**visionOS 30 Days Challenge**  
<https://github.com/satoshi0212/visionOS_30Days>  
With the Apple Vision Pro announcement, many developers are eager to learn visionOS. A Japanese developer has created a 30-day tutorial series to help you get started with daily coding examples.  
<img src="https://gw.alipayobjects.com/zos/k/0p/QJtmH2.png"   width="800" />

## Trending Tools

**Talk: Open-Source P2P Video Calling**  
<https://tlk.li/>  
A free, open-source, and peer-to-peer web video call tool. No registration or downloads required—just generate a random room link and share it.  
<img src="https://gw.alipayobjects.com/zos/k/2z/6JJ7FS.png" width=800 />

**CodeGeeX2: Self-Host Your Own AI Code Model**  
<https://github.com/THUDM/CodeGeeX2>  
If you can't use GitHub Copilot due to company security policies, check out CodeGeeX2 from Tsinghua. it’s based on ChatGLM2-6B and is trained on massive amounts of code, making it a powerful self-hosted alternative.  
<img src="https://gw.alipayobjects.com/zos/k/ls/hl4ml8.png"   width="800" />

**Mackup: Back Up Your Mac Settings**  
<https://github.com/lra/mackup/>  
An essential tool for Mac users. it backs up almost all your app configurations and settings to a central storage of your choice, making it a breeze to set up a new machine.  
<img src="https://gw.alipayobjects.com/zos/k/z6/0apG1O.png"   width="800" />

**LocationSimulator: Mock Your GPS on iOS**  
<https://github.com/Schlaubischlump/LocationSimulator>  
A handy tool for testing location-based features without jailbreaking. it lets you mock locations on iOS, iPadOS, and the Xcode simulator.  
<img src="https://gw.alipayobjects.com/zos/k/yt/NR6Zuj.png"   width="800" />

## Just Looking Around

**YouTube: Lao Gao & Xiao Mo**  
<https://youtube.com/@laogao>  
Have you watched this channel? they take incredibly complex topics—from urban legends to physics and crime—and explain them through grounded, engaging stories.

**One Family’s Move to the UK at Age 30 (V2EX)**  
<https://v2ex.com/t/955368>  
A fascinating three-part story from a developer who quit their "big tech" job at 30 and moved their family to the UK. the clarity of thought and the sheer resilience involved is inspiring.