yeah, the @post.user_ids actually is a typo. i tried editing it but it looks like that didn't work... it really is just @post.user_id which is the user id that the post belongs to. I was using the debugger before i was saving the @user, and the @user.variable was different. but when i saved it nothing would save. The reason i'm confused is that the post will updates its likes but the user won't updates its variable.
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