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`

✧✦Catherine✦✧ @whitequark@mastodon.social

12/4/2025, 1:07:22 AM

Public

do you know whether this "may" is actually a "shall" or not? does this differ per-OS?

If a process uses open(2) (or similar) to obtain more than one
file descriptor for the same file, these file descriptors are
treated independently by flock(). An attempt to lock the file
using one of these file descriptors may be denied by a lock that
the calling process has already placed via another file
descriptor.

crzwdjk ✅ @crzwdjk@mastodon.social

12/4/2025, 1:32:50 AM

Public

@whitequark✧✦Catherine✦✧ Have you see this, which I think is still a definitive reference at least for Linux and Mac? https://apenwarr.ca/log/20101213

Everything you never wanted to know about file locking

(Foreshadowing: I found a bug in MacOS X 10.6's fcntl(F_SETLK) locking that could cause corruption of sqlite databases. To see if your syst...

apenwarr.ca

If you have a fediverse account, you can quote this note from your own instance. Search https://mastodon.social/users/crzwdjk/statuses/115658717282833679 on your instance and quote it. (Note that quoting is not supported in Mastodon.)