# 30. Bright Nights in Urumqi

> Taken at 9:30 PM in Urumqi. Yes, 9:30 in the evening, not the morning. It’s fascinating how the sky stays completely bright—and the clouds were quite beautiful that night.

- Issue: 30
- Published: 2021/06/15
- HTML: https://weekly.tw93.fun/en/posts/30
- JSON: https://weekly.tw93.fun/api/en/posts/30.json
- Chinese original: https://weekly.tw93.fun/posts/30.md

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<img src="https://gw.alipayobjects.com/zos/k/c1/IMG_4854.jpeg" width="800" />

<small>Taken at 9:30 PM in Urumqi. Yes, 9:30 in the evening, not the morning. It’s fascinating how the sky stays completely bright—and the clouds were quite beautiful that night.</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

**The Frontend Compilation and Bundling Toolchain**  
<https://juejin.cn/post/6956602138201948196>  
A clear and comprehensive breakdown of the fundamental compilation technologies that every modern frontend developer should understand.

**Troubleshooting Page Stutters Caused by Memory Leaks**  
<https://juejin.cn/post/6947841638118998029>  
In this day and age, our pages shouldn't be lagging—but they often do. This article explores how to find and fix the root causes.

**First Impressions of Frontend Recording and Playback Systems**  
<https://mp.weixin.qq.com/s/hmMnvwyLMzxkg0dqNNdI0Q>  
What exactly is "recording and playback"? Essentially, it’s about capturing user interactions on a page and being able to replay them—it’s actually less complicated than you might think.

**Deep Dive into Web Protocols: HTTP Body Transmission**  
<https://mp.weixin.qq.com/s/q5Jr-FS-8XC1ojM1J50TWg>  
A more detailed exploration of how data is actually moved across the wire in the HTTP protocol.

## Trending Open Source

**Chanify: A Simple and Reliable Notification Tool**  
<https://github.com/chanify/chanify>  
Perfect for developers or admins who want to push messages to their devices via a simple API without having to build and host their own dedicated app.

**npkill: Easily Delete node_modules from Your Projects**  
<https://github.com/voidcosmos/npkill>  
When you’re running low on disk space, this tool is a literal lifesaver for clearing out those heavy dependencies.  
<img src="https://cdn.tw93.fun/blog/upic/vlDnQv.gif" width="800" />

**vardbg: A Beautiful and Concise Python Debugger**  
<https://github.com/CCExtractor/vardbg>  
Modern GUI-based tools are becoming incredibly polished. This one is a great example for the Python world.  
<img src="https://cdn.tw93.fun/blog/upic/WVTTxD.gif" width="800" />

**Files: A Modern File Explorer for Windows**  
<https://github.com/files-community/Files>  
For the Windows users out there (even if we are few)—this is a much more "trendy" way to manage your files.  
<img src="https://cdn.tw93.fun/blog/upic/ndBwTm.jpg" width="800" />

**LuckDraw: A Cross-Platform Lottery Component**  
<https://100px.net/>  
A versatile set of components for building lucky draws and raffles that work and look identical across JS, Vue, React, and various Mini Program platforms.

## Just Looking Around

**The State of the Swift Ecosystem in 2021**  
<https://mp.weixin.qq.com/s/5SXAozM2c6Ivyzl7B9IfQQ>  
Everything you need to know about where Swift stands today, from industry adoption to technical evolution.

**100 Reflections from Duan Yongping**  
<https://www.huxiu.com/article/425601.html>  
The title might be a bit "buzzy," but Duan Yongping’s insights on value investing vs. speculation are incredibly profound. "The worst kind of investment is talking like a value investor while acting like a speculator."

**Standardization: Google’s Secret to Faster App Downloads**  
<https://www.pingwest.com/a/239991>  
According to "Andy and Bill’s Law," hardware improvements are quickly consumed by software complexity. This article looks at how Google is using standardization to tackle the ever-growing size of app bundles.

**The Reality of "Internet-Famous" Landmarks**  
<https://www.huxiu.com/article/425402.html>  
To help you avoid tourist traps, this analysis cross-references data from platforms like Mafengwo to compare 1,500 popular spots against their actual user reviews.