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Rails: What's a good way to validate links (URLs)?
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Simone CarlettiSimone Carletti
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Characters allowed in a URL
...d within a GET without being encoded? At the moment I am using A-Z a-z and 0-9... but I am looking to find out the full list.
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What does yield mean in PHP?
...late and return values while you are looping over it:
foreach (xrange(1, 10) as $key => $value) {
echo "$key => $value", PHP_EOL;
}
This would create the following output:
0 => 1
1 => 2
…
9 => 10
You can also control the $key in the foreach by using
yield $someKey => $...
Is there a standardized method to swap two variables in Python?
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401
Python evaluates expressions from left to right. Notice that while
evaluating an assignmen...
String formatting: % vs. .format vs. string literal
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ClaudiuClaudiu
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How does Trello access the user's clipboard?
...or the clipboard stuff:
#clipboard-container {
position: fixed;
left: 0px;
top: 0px;
width: 0px;
height: 0px;
z-index: 100;
display: none;
opacity: 0;
}
#clipboard {
width: 1px;
height: 1px;
padding: 0px;
}
... and the CSS makes it so you can't actually see the textar...
HTML 5 strange img always adds 3px margin at bottom [duplicate]
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BrilliandBrilliand
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16
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PHP Fatal error: Call to undefined function json_decode()
...which states:
The freedom to run the program, for any purpose (freedom 0).
FSF goes on to specifically list the JSON license as nonfree.
Yes it seems a bit silly. Nevertheless Debian has removed the non-compliant JSON extension, and instead offered a replacement extension that is functionally...
What are queues in jQuery?
...lace queue with the first three items in the queue
$elem.queue(queue.slice(0,3));
An animation (fx) queue example:
Run example on jsFiddle
$(function() {
// lets do something with google maps:
var $map = $("#map_canvas");
var myLatlng = new google.maps.LatLng(-34.397, 150.644);
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Can't access RabbitMQ web management interface after fresh install
I've installed the latest RabbitMQ server (rabbitmq-server-3.3.0-1.noarch.rpm) on a fresh Centos 5.10 VM according to the instructions on the official site.
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