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How should a model be structured in MVC? [closed]

...t you also share the instances of various servers to be shared between the selected controller and view for a given request-response cycle. Alteration of model's state Now that you can access to the model layer in the controllers, you need to start actually using them: public function postLogin(...
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How do I make a composite key with SQL Server Management Studio?

... In design mode (right click table select modify) highlight both columns right click and choose set primary key share | improve this answer | ...
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Blank space at top of UITextView in iOS 10

... In the Interface Builder, Select the view controller which contains the UITextView. Go to the attribute inspector. Uncheck "Adjust Scroll View Insets." share | ...
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Split output of command by columns using Bash?

...d> | while read a b; do echo $a; done The first parameter to read, a, selects the first column, and if there is more, everything else will be put in b. As a result, you never need more variables than the number of your column +1. So, while read a b c d; do echo $c; done will then output th...
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what is reverse() in Django

... question = get_object_or_404(Question, pk=question_id) try: selected = question.choice_set.get(pk=request.POST['choice']) except KeyError: # handle exception pass else: selected.votes += 1 selected.save() return HttpResponseRedirect(reve...
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How should I edit an Entity Framework connection string?

...nnection strings. Now go to the edmx, right click on the designer surface, select Update model from database, choose the connection string from the dropdown, Click next, Add or Refresh (select what you want) and finish. In the output window it will show something like this, Generated model file: U...
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How to reuse existing C# class definitions in TypeScript projects

...code you can use my extension csharp2ts which does exactly that. You just select the pasted C# code and run the Convert C# to TypeScript command from the command palette A conversion example: public class Person { /// <summary> /// Primary key /// </summary> public int...
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How to pass values between Fragments

... I tried step 5, That i'm calling listactivity from fragment and after selecting item from that activity, i want to come back in fragment with selected file name. But its not working, its giving me Nullpointer Exception at onCreateView. Any solution on this please? This is my question stackoverf...
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Why unsigned integer is not available in PostgreSQL?

...< 65536); Here is what psql gives when I try to abuse the type. DS1=# select (346346 :: uint2); ERROR: value for domain uint2 violates check constraint "uint2_check" share | improve this answ...
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Detecting Browser Autofill

...e change event. Firefox 4 does dispatch the change change event when users select a value from a list of suggestions and tab out of the field. Chrome 9 does not dispatch the change event. Safari 5 does dispatch the change event. You best options are to either disable autocomplete for a form usin...