Best of 2021

The blog posts Hacker News loved most in 2021. 381 posts.

Tools & Productivity
181

How I Use Notion

This post is a fairly comprehensive discussion of how I use Notion (a free personal knowledge management app) to organise various aspects of my life: project management, reading, academics, plans/goals, investing, and more. The post is not designed to be read linearly – pick and choose the bits that are relevant to…

195

Buying an ebike

You thought your family was going to be talking about web3 this Thanksgiving. But they’re actually talking about ebikes. Let’s help you prepare. Ebikes are about to change the world. They are already the best selling electric vehicles, and are selling as fast as factories can make them.

204

Typing Is Hard

Type checking is the process of taking a given program in some programming language and working out whether all variables and expressions have the correct types, i.e. strings are assigned to strings, arithmetic expressions involve only numbers, etc. Some languages also offer type inference , tasking the compiler with…