Call to a member function store() on null i checked names

I have this error when i try to upload my file : Call to a member function store() on null I readed documentation many times and i checked SO but i cant understand, could you help me please ? there is my bootstrap : <label for=”Ticketimg” class=”col-md-4 col-form-label text-md-center”></label> <div class=”col-md-6″> <input id=”Ticketimg” type=”file” class=”custom-file-label…

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Top marging or any margin moves all the buttons instead of one. Keep in mind that I am not able to use CSS cause I am using webstorm interpreter

I am trying to move each button individually without moving other elements. As said before my issue is that every time I use margintop or marginleft it just moves everything, every botton. Keep in mind that I cannot use CSS because I am using Jet Brains WebStorm. Here is the code. So you can see…

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How to serialize JSON with custom attribute name in Django Rest Framework

I need to validate the following JSON using Django Rest Framework Serializer: { “type”: “profit”, “value”: 7200 } My Serializer is defined as: class SaleSerializer(serializers.Serializer): TYPE_CHOICES = [ ‘profit’, ‘cost’, ] type = serializers.ChoiceField(choices=TYPE_CHOICES) value = serializers.IntegerField(validators=[MaxValueValidator(limit_value=10000), MinValueValidator(limit_value=0)], allow_null=False) However, type is one of Python built-in so I don’t want to use it for my…

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