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Caveats and Limitations of A/B Testing at Growth Tech Companies
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Why does getting a job in tech suck right now? (Is it AI?!?)
17 Aug 2024 |
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A lot of new CS grads have been noting that is really hard to get a job. I’ve personally been contacted by a couple people, including outside of Twitter, about the difficulty of finding a job. I’m sure if you’re reading this that you’ve heard some stories, too. Here I will attempt to provide some … Continue reading Why does getting a job in tech...
How to cut your Python Docker build times in half with uv
16 Feb 2024 |
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March 4, 2024 update: This blog has been updated to reflect additions to uv as of 0.1.12, specifically the --system flag. See Addendum section for more information. When I heard that Charlie Marsh, the creator of Ruff, created a fast replacement for pip called uv, I dropped everything I was doing and added it to … Continue reading How to cut your...
Should you ask data science job candidates this tricky math question?
26 Jun 2023 |
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The question Quantian1 on Twitter poses the following “junior data scientist” interview question: (You can check the replies for my answer!) This is a fun regression math / intuition question. In the spirit of appreciation for these types of interview questions, here are a few more. I leave solving these problems as an exercise to … Continue...
ChatGPT as a query engine on a giant corpus of text
29 Mar 2023 |
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In the popular imagination, ChatGPT is an intelligent robot that you can talk to. However, it is a better first order approximation to think of ChatGPT as a query engine on a giant corpus of text scraped off the internet. It is important to state explicitly that ChatGPT is like a query engine on a … Continue reading ChatGPT as a query engine on a...
Intuitive Explanation of Arithmetic, Geometric, & Harmonic Mean
14 Jan 2023 |
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If you Google for an explainer on the differences and use cases for the arithmetic mean vs geometric mean vs harmonic mean, I feel like everything you’ll find is pretty bad and won’t properly explain the intuition of what’s going on and why you’d ever do one or the other. In fact, you sometimes will … Continue reading Intuitive Explanation of...