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`

Hacker News @hkrn@mstdn.social

9/26/2025, 8:33:47 PM

Public

Implementing a Kalman Filter in Postgres
L: https://neon.com/blog/implementing-a-kalman-filter-in-postgres-to-smooth-gps-data
C: https://news.ycombinator.com/item?id=45389589
posted on 2025.09.26 at 14:33:37 (c=0, p=3)

Implementing a Kalman Filter in Postgres to Smooth GPS Data - Neon

An open-source project that implements a Kalman Filter in Postgres to clean up noisy GPS data directly in the database.

neon.com · Neon

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