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Determine whether an array contains a value [duplicate]
... }
return index;
};
}
return indexOf.call(this, needle) > -1;
};
You can use it like this:
var myArray = [0,1,2],
needle = 1,
index = contains.call(myArray, needle); // true
CodePen validation/usage
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difference between foldLeft and reduceLeft in Scala
...e between reducing and folding
The difference is not the implementation at all, just look at the signatures.
The question doesn't have anything to do with Scala in particular, it's rather about the two concepts of functional programming.
Back to your question:
Here is the signature of foldLeft (c...
Quickest way to convert a base 10 number to any base in .NET?
...comments, Convert.ToString only supports the following limited - but typically sufficient - set of bases: 2, 8, 10, or 16.
Update (to meet the requirement to convert to any base):
I'm not aware of any method in the BCL which is capable to convert numbers to any base so you would have to write you...
How do I log errors and warnings into a file?
How do I turn on all error and warnings and log them to a file, but to set up all of that within the script (not changing anything in php.ini)?
...
What are POD types in C++?
...pod<MyType>() to tell whether MyType is POD.
– allyourcode
Mar 31 '14 at 21:24
7
Bjarne Str...
How to check whether a script is running under Node.js?
...ly thing commonJS specifies is that A: The modules will be included via a call to the function require and B: The modules exports things via properties on the exports object. Now how that is implement is left to the underlying system. Node.js wraps the module's content in an anonymous function:
fun...
How to smooth a curve in the right way?
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I prefer a Savitzky-Golay filter. It uses least squares to regress a small window of your data onto a polynomial, then uses the polynomial to estimate the point in the center of the window. Finally the window is shifted forward by one data point and the process repeats. This continues until ever...
Why is sed not recognizing \t as a tab?
...
Not all versions of sed understand \t. Just insert a literal tab instead (press Ctrl-V then Tab).
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GDB missing in OS X v10.9 (Mavericks)
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I installed via brew, and keep getting "_____: not in executable format: File format not recognized" when I try to load an executable. Can anyone comment on how they got a successful install?
– Parker
...
How to initialize a vector in C++ [duplicate]
...p;arr[0]+N; }
And then you can do this without having to repeat the size all over:
int vv[] = { 12,43 };
std::vector<int> v(begin(vv), end(vv));
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