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Should services always return DTOs, or can they also return domain models?

...lection of domain models (with a .ToArray() or ToList(), for instance) you select all columns to populate the realized objects. If you project the DTO in the query instead, EF is smart enought to select only the columns required to populate your DTO, which can be significantly less data to transfer ...
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How to use a switch case 'or' in PHP

...le switch(), and when I'm working in a C-ish language I really miss having Select Case, which is really a shorthand way of saying "there's a big block of if, else if, else-if... here". – Stan Rogers Oct 9 '10 at 7:50 ...
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HTML5: Slider with two inputs possible?

...s it possible to make a HTML5 slider with two input values, for example to select a price range? If so, how can it be done? ...
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Difference between Repository and Service Layer?

...Model GetByClient(int id) { return _clientRepository.Get(id).Select(c => new OrdersByClientViewModel { Cient = new ClientViewModel { ...init with values from c...} Orders = c.Orders.Select(o => new OrderViewModel { ......
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How to create a unique index on a NULL column?

...rt this. I have SSMS 10.50.1617 and in the Index Properties dialog you can select the Filter page to edit the filter. e.g. "([Column1] IS NOT NULL)" – Phil Haselden Aug 9 '11 at 5:27 ...
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Targeting both 32bit and 64bit with Visual Studio in same solution/project

...e manually (in VS, right-click your project file in the Solution Explorer, select Unload Project, then right-click again and select Edit). After adding a reference to, say, the x86 version of an assembly, your project file will contain something like: <Reference Include="Filename, ..., processor...
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How to play a local video with Swift?

...ng your video is into the Bundle Open the Project Navigator cmd + 1 Then select your project root > your Target > Build Phases > Copy Bundle Resources. Your video MUST be here. If it's not, then you should add it using the plus button 3. Code Open your View Controller and write this ...
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What is the point of Lookup?

...in those assemblies IEnumerable<Type> allTypes = sampleTypes.Select(t => t.Assembly) .SelectMany(a => a.GetTypes()); // Grouped by namespace, but indexable ILookup<string, Type> lookup = allTypes.ToLookup(t =&g...
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How to replace list item in best way

...a", "b"); // {"b", "b", "c", "d"}; var intEnum = intArray.Select(x => x); intEnum = intEnum.Replace(0, 1); // {0, 0, 1, 2, 3, 4} => {1, 1, 1, 2, 3, 4} No code duplication There is no need to type long linq expressions There is no need for additional usings T...
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mongodb group values by multiple fields

...urse the ability to interpolate the variable through $expr using $match to select the matching items in the "join", but the general premise is a "pipeline within a pipeline" where the inner content can be filtered by matches from the parent. Since they are both "pipelines" themselves we can $limit e...