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Entity Framework 5 Updating a Record

...atedUser" is an instance of an object already populated with a FirstOrDefault() or similar, so I am updating only the properties I changed and setting others to ISModified=false. This works fine. But, what I am trying to do is to update an object without populating it first, without making any Firs...
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What's the difference between fill_parent and wrap_content?

... Gravity vs layout_gravity XML for above images Vertical LinearLayout <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" ...
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Ruby: Can I write multi-line string with no concatenation?

... There are pieces to this answer that helped me get what I needed (easy multi-line concatenation WITHOUT extra whitespace), but since none of the actual answers had it, I'm compiling them here: str = 'this is a multi-line string'\ ' using implicit concatenation'\ ' to prevent spare \n\'s' =&g...
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How to set the text color of TextView in code?

...ourse, if you want to define your color in an XML file, you can do this: <color name="errorColor">#f00</color> because the getColor() function is deprecated1, you need to use it like so: ContextCompat.getColor(context, R.color.your_color); You can also insert plain HEX, like so: my...
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How do I use .woff fonts for my website?

...aving that definitions, you can just write, for example, In HTML code: <div class="mydiv"> <b>this will be written with awesome-font-bold.woff</b> <br/> <b><i>this will be written with awesome-font-boldoblique.woff</i></b> <br/&gt...
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Is there a performance difference between i++ and ++i in C++?

... Can't the compiler avoid this altogether if operator++ is inlined? – Eduard - Gabriel Munteanu Feb 18 '09 at 15:59 16 ...
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What is the performance cost of having a virtual method in a C++ class?

...code address that is not in cache then the whole program comes to a dead halt while the instructions are fetched from main memory. This is always a significant stall: on Xenon, about 650 cycles (by my tests). However this isn't a problem specific to virtual functions because even a direct function...
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Creating an instance using the class name and calling constructor

... Yes, something like: Class<?> clazz = Class.forName(className); Constructor<?> ctor = clazz.getConstructor(String.class); Object object = ctor.newInstance(new Object[] { ctorArgument }); That will only work for a single string parameter o...
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Cannot deserialize the JSON array (e.g. [1,2,3]) into type ' ' because type requires JSON object (e.

...rackets ([]), hence it is interpreted as array instead of single RetrieveMultipleResponse object. Therefore, you need to deserialize it to type collection of RetrieveMultipleResponse, for example : var objResponse1 = JsonConvert.DeserializeObject<List<RetrieveMultipleResponse>>(Jso...
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ASP.NET MVC: Unit testing controllers that use UrlHelper

...llection(); MvcApplication.RegisterRoutes(routes); var request = new Mock<HttpRequestBase>(MockBehavior.Strict); request.SetupGet(x => x.ApplicationPath).Returns("/"); request.SetupGet(x => x.Url).Returns(new Uri("http://localhost/a", UriKind.Absolute)); request.SetupGet(x => x.Serve...