How to sort a queryset based on objects' foreign key by sorted method?

I’m happy with the instruction to do sorting: sorted(qs, key=lambda obj: obj.name.lower(), reverse=True) But as I need to sort the queryset by obj’s foreign key’s field. It looks invalid with: (Sort won’t work! The order didn’t change.) sorted(qs, key=lambda obj: obj.fkname.name.lower(), reverse=True) which fkname is the foreign key of the object. I don’t want to… Read More How to sort a queryset based on objects' foreign key by sorted method?

Sort a list of objects based on an integer of the object field c#

I have a list of joints List<Joint> joints = new(); The Joint class looks like this: class Joint { private Node node1, node2; private int weight; public Joint(Node node1, Node node2) { this.node1 = node1; this.node2 = node2; weight = GetWeight(); } private int GetWeight() { return (int)Math.Sqrt ((int)Math.Pow(node1.GetX() – node2.GetX(), 2) + (int)Math.Pow(node1.GetY() -… Read More Sort a list of objects based on an integer of the object field c#

How to group and sort array of data by their specific field

This is my example data. I want to group the data by month and count which month has the most data and return 1 data per month which is the most appliancesType and count. appliances:[ { "appliancesType": "Oven", "createdAt": "2022-09-06" }, { "appliancesType": "Oven", "createdAt": "2022-11-27" },{ "appliancesType": "Television", "createdAt": "2022-07-03" },{ "appliancesType": "Television", "createdAt":… Read More How to group and sort array of data by their specific field