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Struct Constructor in C++?
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struct TestStruct {
int id;
TestStruct() : id(42)
{
}
};
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C# Thread safe fast(est) counter
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This would be simpler:
return Interlocked.Increment(ref COUNTER);
MSDN Interlocked.Increment
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Difference between ref and out parameters in .NET [duplicate]
...tialized but passing it as a ref parameter it has to be set to something.
int x;
Foo(out x); // OK
int y;
Foo(ref y); // Error: y should be initialized before calling the method
Ref parameters are for data that might be modified, out parameters are for data that's an additional output for the fu...
Haskell Type vs Data Constructor
... of type Colour. We could imagine spicing it up though!
data Colour = RGB Int Int Int
We still have just the type Colour, but RGB is not a value – it's a function taking three Ints and returning a value! RGB has the type
RGB :: Int -> Int -> Int -> Colour
RGB is a data constructor t...
Get all Attributes from a HTML element with Javascript/jQuery
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Use .slice to convert the attributes property to Array
The attributes property of DOM nodes is a NamedNodeMap, which is an Array-like object.
An Array-like object is an object which has a length property and whose property names are enum...
What is the difference between named and positional parameters in Dart?
... parameter. Here is an example:
getHttpUrl(String server, String path, [int port=80]) {
// ...
}
In the above code, port is optional and has a default value of 80.
You can call getHttpUrl with or without the third parameter.
getHttpUrl('example.com', '/index.html', 8080); // port == 8080
ge...
How to create a date and time picker in Android? [closed]
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There is nothing built into Android that offers this.
EDIT: Andriod now offers built-in pickers. Check @Oded answer
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How to develop a soft keyboard for Android? [closed]
...it's just a Service.
I've been developing an IME, so ask again if you run into an issue.
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'0000-00-00 00:00:00' can not be represented as java.sql.Timestamp error
...ration:
jdbc:mysql://yourserver:3306/yourdatabase?zeroDateTimeBehavior=convertToNull
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Value of i for (i == -i && i != 0) to return true in Java
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The only int value for which it works is Integer.MIN_VALUE.
It's because integers are negated using the two's complement way.
Using
System.out.println(Integer.toBinaryString(Integer.MIN_VALUE));
you see that Integer.MIN_VALUE is...