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The latest blog posts to take off on Hacker News. 3,821 posts.

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2022
1833

Delayed Messages on iOS

When I got my first iPhone in March I was surprised to find that iMessage didn’t support scheduling messages to be sent at a later time. This feature is pretty common on some other messaging platforms, and it’s especially useful when I remember I need to text my mom (who always has her ringer turned on) about…

1840

High-intensity exercise, some new news

Several months I noticed something interesting (to me!) about my heart rate, and I thought about blogging about it…but I didn’t feel like it would be interesting (to you!) so I’ve been hesitant. But then the NYT published something that is kinda related and I thought OK, what the hell, maybe it’s time for an update…

1844

RETRO is fast

When I first read Google’s RETRO paper, I was skeptical. Sure, RETRO models are 25x smaller than the competition, supposedly leading to HUGE savings in training and inference costs. But what about the new trillion token “retrieval database” they added to the architcture? Surely that must add back some computational…

1854

How does rsync work?

This post is the third article in a series of blog posts about rsync, see the Series Overview. With rsync up and running, it’s time to take a peek under the hood of rsync to better understand how it works. How does rsync work? When talking about the rsync protocol, we need to distinguish between: