Best of 2021

The blog posts Hacker News loved most in 2021. 5,820 posts.

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1684

Elm at Rakuten

In our team at Rakuten, we have been using Elm1 in production for almost two years now. This post is about our story, the lessons we learned, and our likes and dislikes. This post is quite long so if you prefer to see an overview, feel free to jump to the index. Everything started in the Berlin branch of Rakuten…

1687

Io_uring is not an event system

I’ve been hearing about io_uring on and off for the last couple of years. Its a relatively new technology in Linux to allow high-performance IO with very few overheads. Whenever its been mentioned, its usually been presented as a new alternative to select, poll and epoll. This led me to believe that it was just the…

1692

Firefox's Optimized Zip Format

This post is about minimizing amount of disk IO and CPU overhead when reading Zip files. I recently saw an article about a new format that was faster than zip. This is quite surprising as to my mind, zip is one of the most flexible and low-overhead formats I’ve encountered. Some googling showed me that over past 11…

1695

Beg Bounties

When someone passed me hundreds of thousands of records on kids taken from CloudPets a few years ago [https://www.troyhunt.com/data-from-connected-cloudpets-teddy-bears-leaked-and-ransomed-exposing-kids-voice-messages/] , I had a nightmare of a time getting in touch with the company. They'd

1710

Firefox 93

Firefox now supports the new AVIF image format, which is based on the modern and royalty free AV1 video codec. It offers significant bandwidth savings for sites compared to existing image formats. It also supports transparency and other advanced features.