Hackers' Pub

Syntax	Description	Examples
`"` keyword `"`	Finds the string within quotes, including spaces. Case-insensitive. (Escape quotes inside with `\"`)	`"Hackers' Pub"`
`from:` handle	Finds content written by the specified user.	`from:hongminhee` `from:hongminhee@hollo.social`
`lang:` ISO 639-1	Finds content written in the specified language.	`lang:en`
`#` tag	Finds content with the specified tag. Case-insensitive.	`#HackersPub`
condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
condition `OR` condition	Finds content that satisfies at least one of the conditions on either side of the OR operator (logical OR).	`#HackersPub OR "Hackers' Pub" lang:en`
`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

rob pike @robpike@hachyderm.io

10/21/2025, 9:34:19 PM

Public

Just posted this reply on Reddit because it saddens me to think that someone might not understand the beauty of the Fourier transform:

https://old.reddit.com/r/golang/comments/1obz3sz/gofft_a_pretty_performant_fastfourier_transform/nko8lot/

Another way I like to think of it: A lens does it in 2D, converting an incoming light beam into an image, or an image into a light beam. Plane wave <-> delta function.

gofft - a pretty performant Fast-Fourier Transform in go

Fourier transforms are easy to understand as a concept because it's how music works. When you play a middle C on piano, you press a key and a...

www.reddit.com · reddit

If you have a fediverse account, you can quote this note from your own instance. Search https://hachyderm.io/users/robpike/statuses/115414300096175018 on your instance and quote it. (Note that quoting is not supported in Mastodon.)