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In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?
...m the fact that you would need to setup websocket on the server (handlers, etc.) There is simply no reason to use Long polling over websocket. Websocket is much faster (low latency) and allows the server to "talk" to the client without the client asking it to. Nowadays I use signalr (one of the best...
Different bash prompt for different vi editing mode?
...the current editing mode.
So putting
set show-mode-in-prompt on
into /etc/inputrc or ~/.inputrc (thx stooj) should affect all your readline-enabled programs ;)
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Mail multipart/alternative vs multipart/mixed
...ments);
}
//msg.setText(message, "utf-8");
//msg.setContent(message,"text/html; charset=utf-8");
return mpMixed;
}
private Multipart newChild(Multipart parent, String alternative) throws MessagingException {
MimeMultipart child = new MimeMultipart(a...
What are the differences between Autotools, Cmake and Scons?
...bined with verbose, twisted shell scripting for tests for "compatibility", etc.
If you're not paying attention, you will mess up cross-compilation ability (It
should clearly be noted that Nokia came up with Scratchbox/Scratchbox2 to side-step highly broken Autotools build setups for Maemo/Meego.) I...
AJAX in Chrome sending OPTIONS instead of GET/POST/PUT/DELETE?
...man and there the request methods are sent correctly (eg. 'PUT', 'DELETE', etc). But when i try to do it from my code it always send them with the request method OPTIONS. I have no idea how Postman is able to do it.
– ErwinGO
Jul 6 '15 at 4:43
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Can I get Memcached running on a Windows (x64) 64bit environment?
...- still FREE but enhanced distro with clustering, web-based admin/stats UI etc. (I'm not related to them in any way) Check it out at http://northscale.com/products/memcached.html and download at: http://www.northscale.com/download.php?a=d
UPDATE 2: NorthScale Memcached is no longer available as a s...
What is the HMVC pattern?
...
I am currently in the process of developing my own PHP 5.3 HMVC framework called Alloy. Since I am heavily invested in and sold on HMVC, I thought I could offer a different view point, and perhaps a better explanation of why HMVC should be used and the benefits it brings.
Th...
Do login forms need tokens against CSRF attacks?
...acker has access to saved payment information, can redirect the purchases, etc.
– you786
Dec 11 '17 at 21:40
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Why / when would it be appropriate to override ToString?
...ave the ToString() output the person's id, their firstname, their lastname etc. This is extremely useful when debugging or logging.
With regard to your example - it is difficult to tell if your override is useful without knowing what this class is - but the implementation itself is ok.
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Zero-pad digits in string
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There's also str_pad
<?php
$input = "Alien";
echo str_pad($input, 10); // produces "Alien "
echo str_pad($input, 10, "-=", STR_PAD_LEFT); // produces "-=-=-Alien"
echo str_pad($input, 10, "_", STR_PAD_BOTH); // produces ...