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Why use the 'ref' keyword when passing an object?
...nged after the method returns:
int x = 1;
Change(ref x);
Debug.Assert(x == 5);
WillNotChange(x);
Debug.Assert(x == 5); // Note: x doesn't become 10
void Change(ref int x)
{
x = 5;
}
void WillNotChange(int x)
{
x = 10;
}
...
PHP Warning: POST Content-Length of 8978294 bytes exceeds the limit of 8388608 bytes in Unknown on l
...
350
8388608 bytes is 8M, the default limit in PHP. Update your post_max_size in php.ini to a larger...
Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
...
edited Sep 29 '17 at 13:05
answered Dec 7 '12 at 17:13
MrY...
Uncaught TypeError: Cannot read property 'msie' of undefined - jQuery tools
...
answered Feb 17 '13 at 16:50
AlexanderAlexander
21.9k1010 gold badges5353 silver badges7373 bronze badges
...
PHP Sort Array By SubArray Value
...ptionNumber"];
}
...
usort($array, "cmp_by_optionNumber");
In PHP ≥5.3, you should use an anonymous function instead:
usort($array, function ($a, $b) {
return $a['optionNumber'] - $b['optionNumber'];
});
Note that both code above assume $a['optionNumber'] is an integer. Use @St. John ...
phpmyadmin logs out after 1440 secs
... |
edited Oct 18 '19 at 8:51
Black
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answered ...
SVN+SSH, not having to do ssh-add every time? (Mac OS)
...
Nicholas RileyNicholas Riley
40k55 gold badges9696 silver badges123123 bronze badges
...
How to get a random number in Ruby
...
958
Use rand(range)
From Ruby Random Numbers:
If you needed a random integer to simulate a rol...
Finding the average of a list
...
On Python 3.4+ you can use statistics.mean()
l = [15, 18, 2, 36, 12, 78, 5, 6, 9]
import statistics
statistics.mean(l) # 20.11111111111111
On older versions of Python you can do
sum(l) / len(l)
On Python 2 you need to convert len to a float to get float division
sum(l...
“document.getElementByClass is not a function”
...
252
You probably meant document.getElementsByClassName() (and then grabbing the first item off the ...