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The most popular blog posts about software engineering on Hacker News. 1,517 posts.

2021
1381

From NAND to Raytracer: Raytracing on the Hack Computer

I recently spent some time going through the amazing nand2tetris course, and assignment #9 is to implement something with the Jack programming language that runs on the Hack computer. My friend encouraged me to try writing a raytracer, which is an algorithm that generates physically realistic images by simulating…

1384

We memo all the things (2020)

On my team at Coinbase, we ask everyone to use the React performance trinity – memo, useMemo, and useCallback – all the time. For some reason, this is controversial. I’m guessing this has something to do with Twitter. This article explains why we do it anyway.

1386

SQL vs. NoSQL Is the Wrong Distinction

A misconception that I held for a really long time was that systems that use SQL (Structured Query Language) are by definition relational databases, and systems that don’t (e.g., MongoDB, Cassandra) are non-relational. It’s easy to understand whether a database uses SQL or not, but what does it mean when we say a…

1410

PowerShell Inventor Jeffrey Snover Interview

We had a great talk with Jeffrey Snover, Microsoft Technical Fellow and CTO for Modern Workforce Transformation. Snover is the inventor of Windows PowerShell, an object-based distributed automation engine, scripting language, and command line shell. Enjoy full interview on our website.