unresolved variable $firebaseRefs vue js

I have an add function to add movies to firebase database methods: { add() { this.$firebaseRefs.movies.push({ name: this.newItem.name, price: this.newItem.genre, rating: this.newItem.rating, reviews: this.newItem.reviews, cast: this.newItem.cast, }); this.newItem.name = ”; this.newItem.genre = ”; this.newItem.rating = ”; this.newItem.reviews= ”; this.newItem.cast= ”; this.$router.push(‘/dashboard’) } } } But am getting an error Unresolved variable $firebaseRefs and when I…

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Django many-to-many: Best way to get elements in one related query set but exclude elements in other related query sets?

I’m using Django 3.0. Consider these related models: class A(models.Model): name = models.CharField(max_length=250, unique=True) bs = models.ManyToManyField(B) class B(models.Model): pass In a view, I need to query to get all Bs related to a given A while excluding all Bs related with a set of other As. I need the grey area: My current, grossly…

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