people have higher efficiency in safe environment.

果然在安全环境下学习很爽，没有作业的焦虑。

What are CO's problems like? How to deal with such problems is the key problem for getting a high score.

I like high-quality and reasonable discussions. So, I should find good communities.

English is the primary productive force. Spend more time on English discussions.

English community:

hacker new ( The best Geek community )

dev.to ( great DEV Community )

Hugging Face ( The AI Community )

Hugging Face Trending Papers ( paper with code community, opensource AI community )

PWC alternative website: ()

https://web.archive.org/web/20250717073537/https://paperswithcode.com/sota
https://www.wizwand.com/sota
https://www.alphaxiv.org/state-of-the-art

Github Discussions, Issue and PR

Stack Overflow ( Dictionary )

blind ( tech community about jobs and salaries )

reddit's r/programming and other technique modules

VPS community: LowEndTalk

Chinese community:

1point3acres（ 海外华人社区 ）

V2EX, linux.do, NodeSeek, juejin, CC98