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Very simple log4j2 XML configuration file using Console and File appender
...imple XML configuration file with a console and a file appender using log4j2.
4 Answers
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How do I convert a Java 8 IntStream to a List?
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Ian RobertsIan Roberts
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List all of the possible goals in Maven 2?
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120
The goal you indicate in the command line is linked to the lifecycle of Maven. For example, the...
Override ActiveRecord attribute methods
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211
Echoing Gareth's comments... your code will not work as written. It should be rewritten this w...
How can I determine whether a Java class is abstract by reflection
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324
It'll have abstract as one of its modifiers when you call getModifiers() on the class object.
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Using a bitmask in C#
... enum:
[Flags]
public enum Names
{
None = 0,
Susan = 1,
Bob = 2,
Karen = 4
}
Then you'd check for a particular name as follows:
Names names = Names.Susan | Names.Bob;
// evaluates to true
bool susanIsIncluded = (names & Names.Susan) != Names.None;
// evaluates to false
bool...
What is difference between sjlj vs dwarf vs seh?
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2 Answers
2
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Analyze audio using Fast Fourier Transform
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209
The array you are showing is the Fourier Transform coefficients of the audio signal. These coe...
What does a double * (splat) operator do
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Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
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How do I get a distinct, ordered list of names from a DataTable using LINQ?
...x1, do a projection if desired
Next, create a distinct list, from x1 into x2, using whatever distinction you require
Finally, create an ordered list, from x2 into x3, sorting by whatever you desire
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