# 46. Osaka Night View

> A shot from 2018. Looking out over the Osaka skyline through a glass observation deck.

- Issue: 46
- Published: 2021/10/05
- HTML: https://weekly.tw93.fun/en/posts/46
- JSON: https://weekly.tw93.fun/api/en/posts/46.json
- Chinese original: https://weekly.tw93.fun/posts/46.md

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<img src="https://gw.alipayobjects.com/zos/k/7q/dPhcAh.jpg" width="800" />

<small>A shot from 2018. Looking out over the Osaka skyline through a glass observation deck.</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

**How to Prevent Malicious Debugging of Your Web App**  
<https://juejin.cn/post/7000784414858805256>  
As with all security: it's a constant game of cat and mouse. Someone out there will always be cleverer.

**What Does "IO Multiplexing" Actually Mean?**  
<https://www.zhihu.com/question/32163005>  
An exceptionally clear and accessible explanation for one of the more abstract concepts in system design.

**Building the Real-Time Data Warehouse at Meituan Waimai**  
<https://tech.meituan.com/2021/08/26/data-warehouse-in-meituan-waimai.html>  
Insights into how a massive production platform and an interactive analysis engine work together to power real-time business decisions.

## Trending Open Source

**NvChad: A Blazing Fast VIM IDE**  
<https://github.com/NvChad/NvChad>  
This is a full IDE, not just an editor—and it looks absolutely stunning.  
<img src="https://cdn.tw93.fun/blog/upic/DptSOj.jpg" width="800" />

**zsh-z: Jump Quickly to Frequent Directories**  
<https://github.com/agkozak/zsh-z>  
I’m surprised that only about 1 in 10 developers I know actually use this. It’s an absolute productivity essential.  
<img src="https://cdn.tw93.fun/blog/upic/CLh5XK.gif" width="800" />

**zsh-autosuggestions: Command Autocomplete Based on History**  
<https://github.com/zsh-users/zsh-autosuggestions>  
The perfect companion to `z`. If you start typing a command, it’ll suggest the full version based on your past activity.  
<img src="https://cdn.tw93.fun/blog/upic/TZtuw3.jpg" width="800" />

## Just Looking Around

**Why is a Tiny Charging IC So Difficult to Build?**  
<https://finance.sina.com.cn/chanjing/cyxw/2021-07-29/doc-ikqciyzk8373189.shtml>  
Almost everything with a battery, from home appliances to smartphones and electric vehicles, relies on these critical chips.

**Smart Home Automation via NFC and iOS 15**  
<https://sspai.com/post/68337>  
By combining NFC stickers with the new Shortcuts features in iOS 15, you can turn your iPhone into a "Magic Remote" that switches scenes with a single tap.

**How to Open Your Health Code with a Quick Double-Tap on Back of Your iPhone**  
<https://zhuanlan.zhihu.com/p/260077128>  
With health code checks becoming so frequent, this "Back Tap" shortcut is a literal life saver for daily commuting.

**Useful URL Schemes for iOS Shortcuts**  
<https://zhuanlan.zhihu.com/p/57567971>  
Following the previous tip, you can use these schemes to set up a triple-tap for opening the subway payment code.

**The Second Half of Growth: Tapping into User Multi-Facetedness**  
<http://www.woshipm.com/operate/5058243.html>  
A discussion of growth strategies in the context of the post-pandemic era and evolving national policies.