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Every blog post that took off on Hacker News, ranked by the votes of its best submission. 5,950 posts.

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2026
1904

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…

1909

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…