python - How to add an model instance to a django queryset? - it seems django queryset behaves somehow python list. but doesn't back upwards list's .append() method know. what want like: from my_django_app.models import mymodel queryset = mymodel.objects.none() queryset.append(mymodel.objects.first()) ## no list's .append() method! is there way add together model instance existing queryset? no. queryset representation of query - hence name - not arbitrary collection of instances. if need actual queryset rather list, seek accumulating ids of objects need , getting objects via __in query: list_of_ids = [] list_of_ids.append(my_id) ... queryset = mymodel.objects.filter(id__in=list_of_ids) this isn't efficient, though. python django
angularjs - No 'Access-Control-Allow-Origin' error from local domain to public API - i'm trying create app retrieve stock name, asking , purchase cost yahoo finance api, using restangular. i'm having problem accessing public api in local application i'm creating when request. url parameters i'm sending: http://finance.yahoo.com/d/quotes.csv?s=msft+ge&f=nab using postman, request returns array contains stock name, asking cost , purchase cost of stock. doing request in postman returns desired info without errors. when request in local, next error: xmlhttprequest cannot load http://finance.yahoo.com/d/quotes.csv?s=msft+ge&f=nab. no 'access-control-allow-origin' header nowadays on requested resource. origin 'http://localhost' hence not allowed access. the html code follows: <html ng-app="app"> <head> <title>restangular</title> <script src="https://ajax.googleapis.com/ajax/li...
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