Best of 2021

The blog posts Hacker News loved most in 2021. 1,020 posts.

Software Engineering
370

How Tail Call Optimization Works

Most undergraduate computer sciences courses teach students about tail call optimization (TCO) , and even if you don't have a formal computer science background the concept is talked about enough that you might be familiar with it anyway, especially if you've ever done any functional programming. However, I think the…

371

My thoughts about the Principal role

Am I a manager? No. In some cases, people may report to me from an organisational point of view but my way to manage is "don't manage at all" and let the team self organize with my help. I tend to focus more on the team and processes and less on people. I'm not a manager, I try to be a technical leader. Organizations…

388

Smart contracts on Bitcoin

While Bitcoin is the gold standard in crypto, Ethereum has been the innovator, bringing new ideas, particularly smart contracts, to the table. Smart contracts allow developers to easily build things on a blockchain and we have seen a proliferation of new things built on the Ethereum blockchain as a result. But what if…