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Purpose of returning by const value? [duplicate]
...urning by const-value means const &&, but is it really true?! e.g. VS13 allows me to bind int&& var= to a function which returns const int. "The result of calling a function whose return type is not a reference is a prvalue".
– Karlis Olte
May 3...
Import error: No module name urllib2
...
Some tab completions to show the contents of the packages in Python 2 vs Python 3.
In Python 2:
In [1]: import urllib
In [2]: urllib.
urllib.ContentTooShortError urllib.ftpwrapper urllib.socket urllib.test1
urllib.FancyURLopener urllib.getpro...
Convert string to variable name in JavaScript
...
As far as eval vs. global variable solutions...
I think there are advantages to each but this is really a false dichotomy.
If you are paranoid of the global namespace just create a temporary namespace & use the same technique.
var tem...
PHP - Check if two arrays are equal
...
?>
That is because the above means:
array(0 => "x", 1 => "y") vs. array(0 => "y", 1 => "x").
To solve that issue, use:
<?php
function array_equal($a, $b) {
return (
is_array($a)
&& is_array($b)
&& count($a) == count($b)
...
List of installed gems?
...version on a separate line. For e.g.: sass (3.3.14, 3.3.7, 3.3.6, 3.2.19) vs. sass-3.3.14, sass-3.3.7, sass-3.3.6, sass-3.2.19
– kaiser
Sep 8 '14 at 10:30
...
How can I set multiple CSS styles in JavaScript?
...uence as opposed to using the cssText method is faster: jsperf.com/csstext-vs-multiple-css-rules/4
– Andrei Oniga
Mar 13 '12 at 7:25
2
...
Padding or margin value in pixels as integer using jQuery
...rseInt is faster than replace('px','') by 49% on chrome jsperf.com/replace-vs-parseint
– Bank
Nov 15 '11 at 8:07
17
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How to construct a std::string from a std::vector?
...
Except in VS2013 which asserts at runtime about invalid iterators, unless you set _ITERATOR_DEBUG_LEVEL=1 (in which case it seems to work fine).
– Cameron
Sep 23 '14 at 22:39
...
How to remove all the occurrences of a char in c++ string
...tr.end());
}
}
}
return newStr;
}
Input vs Output:
Input:ra,..pha
Output:rapha
Input:ovo,
Output:ovo
Input:a.vo
Output:avo
Input:oi?
Output:oi
share
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improve...
Func delegate with no return type
...espectively. (see also https://msdn.microsoft.com/en-us/library/018hxwa8(v=vs.110).aspx)
Try this this example
using System;
public class Program
{
private Func<string,string> FunctionPTR = null;
private Func<string,string, string> FunctionPTR1 = null;
private Action&...