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LINQ where vs takewhile
... and find all elements matching the condition
var intList = new int[] { 1, 2, 3, 4, 5, -1, -2 };
Console.WriteLine("Where");
foreach (var i in intList.Where(x => x <= 3))
Console.WriteLine(i);
Console.WriteLine("TakeWhile");
foreach (var i in intList.TakeWhile(x => x <= 3))
Conso...
What is recursion and when should I use it?
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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
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edited Oct 26 '14 at 15:54
DilithiumMatrix
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How to use R's ellipsis feature when writing your own function?
...he unevaluated expression".
When you call my_ellipsis_function(a=1:10,b=11:20,c=21:30) then ... "creates" a list of arguments: list(a=1:10,b=11:20,c=21:30) and substitute make it a list of four elements:
List of 4
$ : symbol list
$ a: language 1:10
$ b: language 11:20
$ c: language 21:30
First e...
How do I pass extra arguments to a Python decorator?
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edited Feb 17 '17 at 22:43
answered Apr 16 '12 at 14:41
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How do I determine k when using k-means clustering?
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You can maximize the Bayesian Information Criterion (BIC):
BIC(C | X) = L(X | C) - (p / 2) * lo...
What is the most efficient way to concatenate N arrays?
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20 Answers
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Algorithm to generate all possible permutations of a list?
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32 Answers
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How to check if a number is a power of 2
Today I needed a simple algorithm for checking if a number is a power of 2.
25 Answers
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Jackson databind enum case insensitive
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In version 2.4.0 you can register a custom serializer for all the Enum types (link to the github issue). Also you can replace the standard Enum deserializer on your own that will be aware about the Enum type. Here is an example:
public...