Best of 2026

The blog posts Hacker News loved most in 2026. 5,924 posts.

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1899

Welcome (back) to Macintosh

For at least 10 years, every Time Machine set up I have been in charge of, or tasked with maintaining for someone else, has eventually run into an issue where it stops backing up successfully. The only solution has been to start over, to not inherit backup state and to manually delete the old backup. My experience…

1904

Introduction to PostgreSQL Indexes

Who’s this for Basics How data is stored in disk How indexes speedup access to data Costs associated with indexes Disk Space Write operations Query planner Memory usage Types of Indexes Btree Hash BRIN GIN GiST & SP-GiST Conclusion Who’s this for This text is for developers that have an intuitive knowledge of what…