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If you happen to have a large collection of images, tagged with artists, from another site, then it could be possible to search for the image on e621 and potentially apply the artist tag. The same holds for character tags, assuming artists and character owners post images they have made or comissioned on these sites. This fails if other people start uploading the same images, such as a specialized fetish-reposting account.

This repository contains some of the tools needed to do this matching on Furaffinities site.

character_artist_tags_by_post.json is a file produced by the sql

select post_id, tag_name, tag_type from (
	select unnest(tags) as tag_name, post_id, row_number() over (partition by post_id order by change_seq desc)

Exporting your 2FA tokens from Authy to transfer them into another 2FA application

IMPORTANT - Update regarding deprecation of Authy desktop apps

Past August 2024, Authy stopped supported the desktop version of their apps:
See Authy is shutting down its desktop app | The 2FA app Authy will only be available on Android and iOS starting in August for details.

And indeed, after a while, Authy changed something in their backend which now prevents the old desktop app from logging in. If you are already logged in, then you are in luck, and you can follow the instructions below to export your tokens.

If you are not logged in anymore, but can find a backup of the necessary files, then restore those files, and re-install Authy 2.2.3 following the instructions below, and it should work as expected.

	// Run this in the F12 javascript console in chrome
	// if a redirect happens, the page will pause
	// this helps because chrome's network tab's
	// "preserve log" seems to technically preserve the log
	// but you can't actually LOOK at it...
	// also the "replay xhr" feature does not work after reload
	// even if you "preserve log".

	window.addEventListener("beforeunload", function() { debugger; }, false)

	# http://aaronhawley.livejournal.com/12621.html
	(echo -en "GET / HTTP/1.1\nHost: fropl.com\n\nGET / HTTP/1.1\nHost: fropl.com\n\n"; sleep 0.1) \| telnet localhost 80
	# Also:
	perl -e '$\| = 1; print "GET / HTTP/1.1\nHost: fropl.com\n\nGET / HTTP/1.1\nHost: fropl.com\n\n"; sleep (1)' \| telnet localhost 80
	# Also (from https://github.com/ellzey/libevhtp/issues/86#issuecomment-19137572):
	(echo -en "GET /1 HTTP/1.1\r\n\r\nGET /2 HTTP/1.1\r\n\r\n"; sleep 0.1) \| nc localhost 8081