Best of 2020

The blog posts Hacker News loved most in 2020. 5,567 posts.

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2986

Pegasus Mail, 30 Years On

Sometime in the last two weeks of 1989, I sent myself an e-mail message: I no longer have it, unfortunately — it was lost in one of many system switches or crashes that happened in those early days... But it was the first message sent by a small MS-DOS application I had written, which at the time was called "ComNet…

2988

PostgreSQL B-Tree index deduplication

PostgreSQL 13 development is coming along nicely, Postgres 13 Beta3 was released on 8/13/2020 . The Postgres Beta 1 and 2 releases were released in May and June 2020. One of the features that has my interest in Postgres 13 is the B-Tree deduplication effort. B-Tree indexes are the default indexing method in Postgres…