I built an olap cube for manipulating time series of financial models, and made ...

		d--b on Nov 17, 2018 \| parent \| context \| favorite \| on: Ask HN: What's the hardest problem you've ever sol... I built an olap cube for manipulating time series of financial models, and made an API to serve it through a query language that I created just for this.

It can be harder than it sounds :)