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How to find time complexity of an algorithm
...
This is an excellent article :
http://www.daniweb.com/software-development/computer-science/threads/13488/time-complexity-of-algorithm
The below answer is copied from above (in case the excellent link goes bust)
The most common metric for calculating tim...
jQuery.click() vs onClick
...ener('click', function() {
alert('Hello world again!!!');
}, false);
http://jsfiddle.net/aj55x/1/
Why use addEventListener? (From MDN)
addEventListener is the way to register an event listener as specified
in W3C DOM. Its benefits are as follows:
It allows adding more than ...
Preferred method to store PHP arrays (json_encode vs serialize)
...
You might also be interested in https://github.com/phadej/igbinary - which provides a different serialization 'engine' for PHP.
My random/arbitrary 'performance' figures, using PHP 5.3.5 on a 64bit platform show :
JSON :
JSON encoded in 2.180496931076 ...
How to saveHTML of DOMDocument without HTML wrapper?
...d) {
$innerHTML .= $document->saveXML($child);
}
echo $innerHTML;
http://php.net/domdocument.savexml
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What are good uses for Python3's “Function Annotations”
...last):
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AssertionError: Var: y Value: 31.1 Test: is_int
Also see http://www.python.org/dev/peps/pep-0362/ for a way to implement type checking.
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Label encoding across multiple columns in scikit-learn
...ler())
column_trans.fit_transform(df)
More options in the documentation: http://scikit-learn.org/stable/modules/compose.html#columntransformer-for-heterogeneous-data
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Disable assertions in Python
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Which is better, return value or out parameter?
...d others on this subject (page 184-185) but the online version is here...
http://msdn.microsoft.com/en-us/library/ms182131(VS.80).aspx
If you find yourself needing to return two things from an API then wrapping them up in a struct/class would be better than an out param.
...
Check if a string matches a regex in Bash script
...]; then
echo "Valid date"
else
echo "Invalid date"
fi
Reference: http://tldp.org/LDP/abs/html/bashver3.html#REGEXMATCHREF
NOTE: The quoting in the matching operator within the double brackets, [[ ]], is no longer necessary as of Bash version 3.2
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How do you run NUnit tests from Jenkins?
...:: any other command
: fail_build
endlocal
exit %ERRORLEVEL%
Reference: http://www.greengingerwine.com/index.php/2013/01/tip-check-errorlevel-in-your-post-build-steps-when-using-nunit/
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