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What is C# analog of C++ std::pair?
...it like this:
Pair<String, int> pair = new Pair<String, int>("test", 2);
Console.WriteLine(pair.First);
Console.WriteLine(pair.Second);
This outputs:
test
2
Or even this chained pairs:
Pair<Pair<String, int>, bool> pair = new Pair<Pair<String, int>, bool>()...
How to compare software version number using js? (only number)
...lidPart(x) {
return (lexicographical ? /^\d+[A-Za-z]*$/ : /^\d+$/).test(x);
}
if (!v1parts.every(isValidPart) || !v2parts.every(isValidPart)) {
return NaN;
}
if (zeroExtend) {
while (v1parts.length < v2parts.length) v1parts.push("0");
while (v2par...
How to find all positions of the maximum value in a list?
...iciencies pointed out by @John Machin. For (2) I attempted to optimize the tests based on guesstimated probability of occurrence of each condition and inferences allowed from predecessors. It was a little tricky figuring out the proper initialization values for max_val and max_indices which worked f...
is_null($x) vs $x === null in PHP [duplicate]
...there is a time difference between using === and is_null(). Did some quick testing and got these results:
<?php
//checking with ===
$a = array();
$time = microtime(true);
for($i=0;$i<10000;$i++) {
if($a[$i] === null) {
//do nothing
}
}
echo 'Testing with === ', microtime(tru...
Java LinkedHashMap get first or last entry
...import java.util.Map;
import java.util.Map.Entry;
public class PerformanceTest {
private static long startTime;
private static long endTime;
private static LinkedHashMap<Integer, String> linkedmap;
public static void main(String[] args) {
linkedmap = new LinkedHashMa...
How to get current relative directory of your Makefile?
...nt directory" is a mild way to say "not really working". I would put the latest piece at the top of the answer.
– Victor Sergienko
Jan 20 at 23:47
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deny directory listing with htaccess
...od/
and too many sub folder in folder, for example : /public_html/Davood/Test1/ , /public_html/Davood/Test1/Test/ , /public_html/Davood/Test2/ , ...
...
MySQL Query GROUP BY day / month / year
...may be more efficient than DATE_FORMAT(). (I don't have a MySQL for proper testing, though.)
– Andriy M
Mar 26 '13 at 12:23
...
Regular expression that matches valid IPv6 addresses
...v4-Embedded IPv6 Address)
)
I posted a script on GitHub which tests the regular expression: https://gist.github.com/syzdek/6086792
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When should you use 'friend' in C++?
...
At work we use friends for testing code, extensively. It means we can provide proper encapsulation and information hiding for the main application code. But also we can have separate test code that uses friends to inspect internal state and data for te...