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Specify custom Date format for colClasses argument in read.table/read.csv
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159
You can write your own function that accepts a string and converts it to a Date using the form...
Does MSTest have an equivalent to NUnit's TestCase?
...a4b5", "345")]
[DataRow("3&5*", "35")]
[DataRow("123", "123")]
public void StripNonNumeric(string before, string expected)
{
string actual = FormatUtils.StripNonNumeric(before);
Assert.AreEqual(expected, actual);
}
}
Again, V...
How to select rows from a DataFrame based on column values?
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A simple command line to download a remote maven2 artifact to the local repository?
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170
Since version 2.1 of the Maven Dependency Plugin, there is a dependency:get goal for this purp...
Analyze audio using Fast Fourier Transform
...ly spaced frequencies, starting at 0. Because your sampling frequency is 44100 samples / sec. and the number of points in your FFT is 256, your frequency spacing is 44100 / 256 = 172 Hz (approximately)
The first coefficient in your array will be the 0 frequency coefficient. That is basically the av...
C# Thread safe fast(est) counter
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answered Nov 1 '12 at 16:50
Austin SalonenAustin Salonen
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What's a good rate limiting algorithm?
...person triggers only 4), and the next trigger is over the 8 seconds (e.g., 16 seconds later), the bot sends the message, but the queue becomes full and the bot waits 8 seconds, even though it's not needed since the 8 second period has lapsed.
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How to create ENUM type in SQLite?
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81
There is no enum type in SQLite, only the following:
NULL
INTEGER
REAL
TEXT
BLOB
Source: htt...
Scala: what is the best way to append an element to an Array?
...repend it:
0 +: array :+ 4
should produce:
res3: Array[Int] = Array(0, 1, 2, 3, 4)
It's the same as with any other implementation of Seq.
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Using switch statement with a range of value in each case?
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