The tricky part is understanding the pattern in the first place. That's what makes it a guide/written material rather than "something you've made other people

The tricky part is understanding the pattern in the first place. That's what makes it a guide/written material rather than "something you've made other people can play with". Those are not really Show HN's because otherwise half the site would be Show HNs. It's more things you make than things you've written about.