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Is std::vector so much slower than plain arrays?
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22 Answers
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What integer hash function are good that accepts an integer hash key?
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Knuth's multiplicative method:
hash(i)=i*2654435761 mod 2^32
In general, you should pick a multiplier that is in the order of your hash size (2^32 in the example) and has no common factors with it. This way the hash function covers all your hash space uniformly.
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Parse string to DateTime in C#
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DateTime.Parse() will try figure out the format of the given date, and it usually does a good ...
Determine function name from within that function (without using traceback)
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Python doesn't have a feature to access the function or its name within the function itself. I...
Can PHP cURL retrieve response headers AND body in a single request?
...entation comments: http://www.php.net/manual/en/function.curl-exec.php#80442
Code example:
$ch = curl_init();
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
// ...
$response = curl_exec($ch);
// Then, after your curl_exec call:
$header_size = curl_getinfo($ch, CU...
How to map calculated properties with JPA and Hibernate
...cise answer but the above link should be helpful.
See also:
Section 5.1.22. Column and formula elements (Hibernate Core documentation)
Section 2.4.3.1. Formula (Hibernate Annotations documentation)
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MongoDB: How to update multiple documents with a single command?
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12 Answers
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How to stop C# console applications from closing automatically? [duplicate]
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172
You can just compile (start debugging) your work with Ctrl+F5.
Try it. I always do it and the ...