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Can someone explain the dollar sign in Javascript?
... someone just put a dollar sign at the start for fun - perhaps they were a PHP programmer who did it out of habit, or something. In PHP, all variable names must have a dollar sign in front of them.
There is another common meaning for a dollar sign in an interpreter nowadays: the jQuery object, who...
Google Maps V3 - How to calculate the zoom level for a given bounds
...LOBE_WIDTH = 256; // a constant in Google's map projection
var west = <?php echo $minLng; ?>;
var east = <?php echo $maxLng; ?>;
*var north = <?php echo $maxLat; ?>;*
*var south = <?php echo $minLat; ?>;*
var angle = east - west;
if (angle < 0) {
angle += 360;
}
*var a...
How to change collation of database, table, column?
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You can run a php script.
<?php
$con = mysql_connect('localhost','user','password');
if(!$con) { echo "Cannot connect to the database ";die();}
mysql_select_db('db...
Do I need to convert .CER to .CRT for Apache SSL certificates? If so, how?
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Actually, it should be the opposite. But all those extensions have been confused for a long time, so you should not rely on them.
– Claudio Floreani
Mar 4 '17 at 12:29
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counting number of directories in a specific directory
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Nice! How would you do this $ ls -l .vim with PHP? Or how to get only the total, without the list. I mean, in this case get only 52?
– Pathros
Mar 8 '17 at 18:32
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How do you test that a Python function throws an exception?
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is there a way to do the opposite of this? Like it fails only if the function does throw the exception?
– BUInvent
Jul 26 '17 at 19:44
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How do I add a path to PYTHONPATH in virtualenv
...put a file with a .pth extension (any basename works) in your virtualenv's site-packages folder, e.g. lib\python2.7\site-packages, with the absolute path to the directory containing your package as its only contents.
share
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Static/Dynamic vs Strong/Weak
...e it does not want to cast one type to the other implicitly.
whereas in PHP:
$str = 5 + "hello"; // equals 5 because "hello" is implicitly casted to 0
// PHP is weakly typed, thus is a very forgiving language.
Static typing allows for checking type correctness at compile time. Statically type...
How to enter a multi-line command
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That's interesting, but it's the opposite of what OP was asking. OP wanted to split a single command across several lines; you explained how to combine several commands onto one line.
– Daniel Yankowsky
Jul 28 '16 at 21...
stopPropagation vs. stopImmediatePropagation
...ly then go down to the children (bubbling is the default, and works in the opposite direction)
– JonnySerra
Nov 9 '17 at 20:56
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