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Get the client's IP address in socket.io
..., is there an easy way to get the IP address of an incoming connection? I know you can get it from a standard HTTP connection, but socket.io is a bit of a different beast.
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What does HTTP/1.1 302 mean exactly?
...s to this question are based in such document, which is no longer relevant nowadays. Quoting Mark Nottingham who, at the time of writing, co-chairs the IETF HTTP and QUIC Working Groups:
Don’t use RFC2616. Delete it from your hard drives, bookmarks, and burn (or responsibly recycle) any copies...
Modulus % in Django template
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ah yes, that's exactly it. using cycle now, but good for future reference. I wouldn't want to use cycle with modulor 100 or something :) Actually I am goint to mark this answer as the correct one. because it focuses on modulor and not a workaround...
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What are the main purposes of using std::forward and which problems it solves?
...)
{
E(a, b, c);
}
Which fixes the above problem, but flips flops. It now fails to allow E to have non-const arguments:
int i = 1, j = 2, k = 3;
void E(int&, int&, int&); f(i, j, k); // oops! E cannot modify these
The third attempt accepts const-references, but then const_cast's ...
How to pass variable number of arguments to a PHP function
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This is now possible with PHP 5.6.x, using the ... operator (also known as splat operator in some languages):
Example:
function addDateIntervalsToDateTime( DateTime $dt, DateInterval ...$intervals )
{
foreach ( $intervals as $i...
Java: Get last element after split
...dex = str.lastIndexOf('/');
String lastString = str.substring(index +1);
Now lastString has the value "directory"
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Opacity CSS not working in IE8
...owever, it doesn't work (for me) in IE8 (I just checked). -moz-opacity is now pretty much defunct I believe, and opacity is the standards way of doing things - so, naturally, Microsoft didn't use that way of doing things (way too easy).
– user71463
Dec 22 '09 ...
Length of a JavaScript object
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This doesn't have to modify any existing prototype since Object.keys() is now built in.
Edit: Objects can have symbolic properties which can not be returned via Object.key method. So the answer would be incomplete without mentioning them.
Symbol type was added to the language to create unique ide...
jQuery Set Cursor Position in Text Area
... this.setCursorPosition(this.val().length);
return this;
}
Now you can move the focus to the end of any element by calling:
$(element).focusEnd();
Or you specify the position.
$(element).setCursorPosition(3); // This will focus on the third character.
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Test if element is present using Selenium WebDriver?
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might want to reduce the wait time. Right now, if the element doesn't exist you must wait "30 seconds" before the function returns false
– Jason Smiley
Oct 5 '15 at 19:06
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