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ASP.NET Web API Authentication

...ee: [Authorize] public class UsersController : ApiController { public string Get() { return "This is a top secret material that only authorized users can see"; } } Now we could write a client application consuming this API. Here's a trivial console application example (make su...
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NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder

...ns and change the app flow: public static boolean isSamsung_4_2_2() { String deviceMan = Build.MANUFACTURER; String deviceRel = Build.VERSION.RELEASE; return "samsung".equalsIgnoreCase(deviceMan) && deviceRel.startsWith("4.2.2"); } Then in the activity's onCreate method: if (...
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How do I set a column value to NULL in SQL Server Management Studio?

...value and clicking enter will not create a NULL value. If the column is a string datatype (varchar and the like), it will create an empty string. If the column is a numeric datatype (int and the like) it will pop up an Invalid Value error. And so on. NULL is the absence of a value, and is does no...
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How do you do a limit query in JPQL or HQL?

...t<UserMetricValue> findTopNByUserIdAndMetricId( @Param("userId") String userId, @Param("metricId") Long metricId, @Param("limit") int limit); share | improve this answer | ...
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What is a Manifest in Scala and when do you need it?

...tic type of a collection. For example, what if you wanted to treat a List[String] differently from other types of a List: def foo[T](x: List[T])(implicit m: Manifest[T]) = { if (m <:< manifest[String]) println("Hey, this list is full of strings") else println("Non-string...
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Simple example of threading in C++

...reate a function that you want the thread to execute, eg: void task1(std::string msg) { std::cout << "task1 says: " << msg; } Now create the thread object that will ultimately invoke the function above like so: std::thread t1(task1, "Hello"); (You need to #include <thread&gt...
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Collections.emptyList() returns a List?

...arameter, and have your code behave as expected, like this: public Person(String name) { this(name,Collections.<String>emptyList()); } Now when you're doing straight assignment, the compiler can figure out the generic type parameters for you. It's called type inference. For example, if ...
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How do I provide custom cast support for my class?

...c# but note that from that example, using the explicit method, if you do: string name = "Test"; Role role = (Role) name; Then everything is fine; however, if you use: object name = "Test"; Role role = (Role) name; You will now get an InvalidCastException because string cannot be cast to Role, ...
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Write string to text file and ensure it always overwrites the existing content.

I have a string with a C# program that I want to write to a file and always overwrite the existing content. If the file isn't there, the program should create a new file instead of throwing an exception. ...
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How do I print the full value of a long string in gdb?

I want to print the full length of a C-string in GDB. By default it's being abbreviated, how do I force GDB to print the whole string? ...