You can repost after a year or so, with some wiggle room for major rework and the like and you've had both:

https://news.ycombinator.com/item?id=38407780

https://news.ycombinator.com/item?id=36084503

There's a thing about it in the FAQ under 'reposts'

https://news.ycombinator.com/newsfaq.html