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Max length for client ip address [duplicate]
...as 8 groups of 4 hex digits separated by colons: 2001:0db8:85a3:0000:0000:8a2e:0370:7334. 39 characters is appropriate to store IPv6 addresses in this format.
Edit: However, there is a caveat, see @Deepak's answer for details about IPv4-mapped IPv6 addresses. (The correct maximum IPv6 string lengt...
What's the difference between `1L` and `1`?
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edited Aug 10 '11 at 17:54
answered Aug 10 '11 at 16:52
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Amazon S3 CORS (Cross-Origin Resource Sharing) and Firefox cross-domain font loading
...AmazonS3
Vary: Origin
X-Cache: Miss from cloudfront
Via: 1.1 ba7014bad8e9bf2ed075d09443dcc4f1.cloudfront.net (CloudFront)
X-Amz-Cf-Id: vy-UccJ094cjdbdT0tcKuil22XYwWdIECdBZ_5hqoTjr0tNH80NQPg==
Note above that the domain has successfully changed without a query string hack.
When I change the Origin...
How to compare versions in Ruby?
...
I would do
a1 = v1.split('.').map{|s|s.to_i}
a2 = v2.split('.').map{|s|s.to_i}
Then you can do
a1 <=> a2
(and probably all the other "usual" comparisons).
...and if you want a < or > test, you can do e.g.
(a1 <=> a2) < 0
or do some more fu...
.htaccess not working apache
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Enable Apache mod_rewrite module
a2enmod rewrite
add the following code to /etc/apache2/sites-available/default
AllowOverride All
Restart apache
/etc/init.d/apache2 restart
share
...
Find a Pull Request on Github where a commit was originally created
...commit page, with the PR link if it exists.
For example, if the SHA is 52797a7a3b087231e4e391e11ea861569205aaf4 and the repo is https://github.com/glimmerjs/glimmer-vm , then go to https://github.com/glimmerjs/glimmer-vm/commit/52797a7a3b087231e4e391e11ea861569205aaf4
...
Image Greyscale with CSS & re-color on mouse-over?
...://4.bp.blogspot.com/-IzPWLqY4gJ0/T01CPzNb1KI/AAAAAAAACgA/_8uyj68QhFE/s400/a2cf7051-5952-4b39-aca3-4481976cb242.jpg);
}
svg image {
transition: all .6s ease;
}
svg image:hover {
opacity: 0;
}
<p>Firefox, Chrome, Safari, IE6-9</p>
<img class="grayscale" src="http://4.b...
Are default enum values in C the same for all compilers?
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116
Yes. Unless you specify otherwise in the definition of the enumeration, the initial enumerato...
Better way to shuffle two numpy arrays in unison
...17., 4., 5.]])
Now we create views simulating the original a and b:
a2 = c[:, :a.size//len(a)].reshape(a.shape)
b2 = c[:, a.size//len(a):].reshape(b.shape)
The data of a2 and b2 is shared with c. To shuffle both arrays simultaneously, use numpy.random.shuffle(c).
In production code, you w...
+ operator for array in PHP?
...d be preserved or if you don't want to loose anything
$a = array(2 => "a2", 4 => "a4", 5 => "a5");
$b = array(1 => "b1", 3 => "b3", 4 => "b4");
union
print_r($a+$b);
Array
(
[2] => a2
[4] => a4
[5] => a5
[1] => b1
[3] => b3
)
merge
print_r(...