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Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime

...o use this exact startup tag in your app.config under configuration node <startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/> <requiredRuntime version="v4.0.20506" /> </startup> ...
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How can I create and style a div using JavaScript?

...nnerHTML = "Hello"; document.getElementById("main").appendChild(div); <body> <div id="main"></div> </body> var div = document.createElement("div"); div.style.width = "100px"; div.style.height = "100px"; div.style.background = "red"; div.style.color = "white"; div...
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How to run a class from Jar which is not the Main-Class in its Manifest file

...r class. Example: public class Dispatcher{ private static final Map<String, Class<?>> ENTRY_POINTS = new HashMap<String, Class<?>>(); static{ ENTRY_POINTS.put("foo", Foo.class); ENTRY_POINTS.put("bar", Bar.class); ENTRY_POINTS.put("b...
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ICollection Vs List in Entity Framework

... Entity Framework would use ICollection<T> because it needs to support Add operations, which are not part of the IEnumerable<T> interface. Also note that you were using ICollection<T>, you were merely exposing it as the List<T> implementati...
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Static method in a generic class?

...fter compilation, you will see that generic attribute is removed. And List<Integer> after compilation looks like "List". So there's no different between List<Integer> and List<Long> after compilation - both became List. – Dainius May 28 '12 at...
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C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?

...ou need to use Include() first, then retrieve a single object from the resulting query: Item item = db.Items .Include(i => i.Category) .Include(i => i.Brand) .FistOrDefault(x => x.ItemId == id); ...
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Efficient way to return a std::vector in c++

... In C++11, this is the preferred way: std::vector<X> f(); That is, return by value. With C++11, std::vector has move-semantics, which means the local vector declared in your function will be moved on return and in some cases even the move can be elided by the compi...
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How do I position one image on top of another in HTML?

...n: absolute; top: 30px; left: 30px; border: 1px green solid; } <div class="parent"> <img class="image1" src="https://placehold.it/50" /> <img class="image2" src="https://placehold.it/100" /> </div> As the simplest solution. That is: Create a relativ...
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Center image using text-align center?

... instead: img.center { display: block; margin: 0 auto; } <div style="border: 1px solid black;"> <img class="center" src ="https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-icon.png?v=c78bd457575a"> </div> ...
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How does internationalization work in JavaScript?

I'm wondering how to deal internationalization in JavaScript. I googled but I'm not getting convincing answers for: 4 Answe...