There are dozens of us!
I would say my experience on midwest.social aligns with Lemmy’s population as a whole - generally left of (US) center, with a few further left folks. Most of the content is either midwest-specific news or LOTR memes, probably makes sense that the only content that gets widely upvoted by Lemmy at large is the left-leaning memes.
I haven’t seen anything nearly as extreme as the posts/comments from hexbear/grad/ml, but I wouldn’t be surprised if users from those instances have accounts on multiple instances to push propaganda.
I am not familiar with the feature you’re using, but an “expression” is just some code that evaluates to a value; in other words, it’s the right side of the equals sign.
Replaced one teacher’s desktop background with a screenshot of the desktop, then hid all the icons and minimized the taskbar.
Got admin access on one of the lab computers to install something needed for a class, and swapped out a bunch of the default Windows sound effects (login etc) with random other sound clips.
Torrented Flatout 2 onto one of the library computers and found out years later a bunch of kids were still playing it during lunch/recess
Oh man, the "quick call?"s are the worst