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Algorithm to generate all possible permutations of a list?
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32 Answers
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Difference between Apache CXF and Axis
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Keep in mind, I'm completely biased (PMC Chair of CXF), but my thoughts:
From a strictly "can...
How to insert an item at the beginning of an array in PHP?
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Use array_unshift($array, $item);
$arr = array('item2', 'item3', 'item4');
array_unshift($arr...
How do I determine k when using k-means clustering?
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142
You can maximize the Bayesian Information Criterion (BIC):
BIC(C | X) = L(X | C) - (p / 2) * lo...
How to execute a Ruby script in Terminal?
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Just call: ruby your_program.rb
or
start your program with #!/usr/bin/env ruby,
make your f...
Compile time string hashing
...s is a little bit late, but I succeeded in implementing a compile-time CRC32 function with the use of constexpr. The problem with it is that at the time of writing, it only works with GCC and not MSVC nor Intel compiler.
Here is the code snippet:
// CRC32 Table (zlib polynomial)
static constexpr u...
How to use JavaScript variables in jQuery selectors?
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var name = this.name;
$("input[name=" + name + "]").hide();
OR you can do something like thi...
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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What is the most efficient way to concatenate N arrays?
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20 Answers
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Does Swift have documentation generation support?
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12 Answers
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