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

9/27/2025, 2:27:44 PM

Public

How many valid JSON strings are there?
L: https://qntm.org/jsoncount
C: https://news.ycombinator.com/item?id=45371359
posted on 2025.09.25 at 06:47:24 (c=0, p=6)

How many valid JSON strings are there? @ Things Of Interest

A valid JSON string is a string conforming to the simple grammar described at json.org. In this scenario a string is a finite sequence of Unicode characters. Unicode provides us with an alphabet of some 1,114,112 possible characters, which we number in hexadecimal from 0x0000 ...

qntm.org

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