Victor Zhou, a software engineer, writes tutorials on machine learning, web development, and general programming, including building .io games.
HN commenters link it for its from-scratch neural network introduction and .io game series, and for a post on replacing Disqus over its data-selling reputation.
The tweet basically links to the blog post https://victorzhou.com/blog/properly-size-images/
"Please submit the original source. If a post reports on something found on another site, submit the latter." https://news.ycombinator.com/newsguidelines.html
I've recently came across some articles by a guy that built and sold some io games. You can read some of what he wrote on his website:
https://victorzhou.com/blog/creating-and-selling-io-games/
shameless self plug: https://victorzhou.com has a mix of machine learning, web development, and other topics. You may have seen some posts from there on HN in the past
Side note; Disqus has a terrible reputation for selling user data.
https://victorzhou.com/blog/replacing-disqus/
I tend to avoid any site that uses it.
Here's another Neural Network from scratch that I found useful:
https://victorzhou.com/blog/intro-to-neural-networks/
The intro to the previous article explains it: https://victorzhou.com/blog/build-an-io-game-part-1/