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PHP Pass by reference in foreach [duplicate]
...$v is still a reference to the last array item, so it's overwritten each tim>me m>.
You can see it like that:
$a = array ('zero','one','two', 'three');
foreach ($a as &$v) {
}
foreach ($a as $v) {
echo $v.'-'.$a[3].PHP_EOL;
}
As you can see, the last array item takes the current loop value: ...
Are there other whitespace codes like &nbsp for half-spaces, em-spaces, en-spaces etc useful in HTML
...
Firefox renders all of the above spaces as the sam>me m> width, wider than one space in the font, except for nbsp, where it renders as one space and imposes the non-breaking character. A real sham>me m>. There are cases where only a character will do, for instance when padding is bei...
Could not find any resources appropriate for the specified culture or the neutral culture
...
I just hit this sam>me m> exception in a WPF project. The issue occurred within an assembly that we recently moved to another nam>me m>space (ProblemAssembly.Support to ProblemAssembly.Controls). The exception was happening when trying to access resou...
Are the days of passing const std::string & as a param>me m>ter over?
...es not know or care about C; all A knows about is B. That is, C is an implem>me m>ntation detail of B.
Let's say that A is defined as follows:
void A()
{
B("value");
}
If B and C take the string by const&, then it looks som>me m>thing like this:
void B(const std::string &str)
{
C(str);
}
voi...
How to see what will be updated from repository before issuing “svn update” command?
I've committed changes in num>me m>rous files to a SVN repository from Eclipse.
7 Answers
7...
Definitive way to trigger keypress events with jQuery
... you have to do is:
var e = jQuery.Event("keydown");
e.which = 50; // # Som>me m> key code value
$("input").trigger(e);
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Swift: #warning equivalent
... release a //WARNING: landmark, or provide the functionality for another nam>me m>d landmark.
To envoke this functionality with Swift in Xcode today however, you could do the following as outlined by Ben Dodson & Jeffrey Sambells:
Add a new Run Script to your target's build phases tab (project sett...
PDO Prepared Inserts multiple rows in single query
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Multiple Values Insert with PDO Prepared Statem>me m>nts
Inserting multiple values in one execute statem>me m>nt. Why because according to this page it is faster than regular inserts.
$datafields = array('fielda', 'fieldb', ... );
$data[] = array('fielda' => 'value', 'field...
How do I scale a stubborn SVG embedded with the tag?
I have som>me m> SVG files that specifies width and height as well as viewbox like this:
9 Answers
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