Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,551 posts.

Software Engineering
2022
402

For Want of a JOIN

Once upon a time, I was on a small team tasked with building a data pipeline. On this team was someone we’ll call Bob, who was fresh out of grad school and hadn’t had much experience with software engineering, and no experience with SQL. As part of this data pipeline, Bob had to combine the data from two tables. JOIN…

416

PHP 8.2

PHP 8.2 is a major update of the PHP language. Readonly classes, null, false, and true as stand-alone types, deprecated dynamic properties, performance improvements and more