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How can I add new array elements at the beginning of an array in Javascript?
... not already an array:
const array = [ 3, 2, 1 ]
const newLastElement = 0
// Both of these lines are equivalent:
const newArray1 = array.concat(newLastElement) // [ 3, 2, 1, 0 ]
const newArray2 = array.concat([newLastElement]) // [ 3, 2, 1, 0 ]
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Compress files while reading data from STDIN
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answered Nov 18 '09 at 19:27
SpaceSpace
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What does [ N … M ] mean in C aggregate initializers?
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90
It is initialization using Designated Initializers.
The range based initialization is a gnu...
What is causing the error `string.split is not a function`?
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edited Apr 13 '12 at 18:10
community wiki
2 re...
List of special characters for SQL LIKE clause
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edited Jun 20 at 9:12
community wiki
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“git diff” does nothing
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answered Aug 27 '10 at 0:59
DouglasDouglas
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how do i do an insert with DATETIME now inside of SQL server mgmt studio
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answered Jun 18 '10 at 18:05
Craig StuntzCraig Stuntz
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How to calculate moving average using NumPy?
...ret[n:] - ret[:-n]
return ret[n - 1:] / n
>>> a = np.arange(20)
>>> moving_average(a)
array([ 1., 2., 3., 4., 5., 6., 7., 8., 9., 10., 11.,
12., 13., 14., 15., 16., 17., 18.])
>>> moving_average(a, n=4)
array([ 1.5, 2.5, 3.5, 4....
Literal suffix for byte in .NET?
... of a literal suffix on the MSDN reference for Byte as well as in the C# 4.0 Language Specification. The only literal suffixes in C# are for integer and real numbers as follows:
u = uint
l = long
ul = ulong
f = float
m = decimal
d = double
If you want to use var, you can always cast the byte as i...
Move capture in lambda
...ariables can be initialized with anything like so:
auto lambda = [value = 0] mutable { return ++value; };
In C++11 this is not possible yet, but with some tricks that involve helper types. Fortunately, the Clang 3.4 compiler already implements this awesome feature. The compiler will be released D...