Write vs append Memes

Someone just discovered they've been using 'Write' mode instead of 'Append' mode and nuked their entire Program.cs file. The kind of mistake that makes you stare at your screen in silence for a solid minute before checking if you committed recently. Spoiler: they probably didn't. File I/O operations have claimed another victim, and somewhere a senior dev is whispering "this is why we use version control" into the void.