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How do I create a random alpha-numeric string in C++?
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+100
Mehrdad Afshari's answer would do the trick, but I found it a bit too verbose for this simple task. Look-up tables can sometimes do ...
What's the difference between a single precision and double precision floating point operation?
...= Infinity
1 11111111 00000000000000000000000 = -Infinity
0 11111111 00000100000000000000000 = NaN
1 11111111 00100010001001010101010 = NaN
0 10000000 00000000000000000000000 = +1 * 2**(128-127) * 1.0 = 2
0 10000001 10100000000000000000000 = +1 * 2**(129-127) * 1.101 = 6.5
1 10000001 1010000000000...
CSS: Control space between bullet and
...rk to control distance.
ul {
list-style: circle outside;
width: 100px;
}
li {
padding-left: 40px;
}
.pseudo,
.pseudo ul {
list-style: none;
}
.pseudo li {
position: relative;
}
/* use ISO 10646 for content http://la.remifa.so/unicode/named-entities.html */
.pseu...
Why can't strings be mutable in Java and .NET?
...ance, or provide synchronization. A typical application will read a string 100 times for every time that string needs to be modified. See wikipedia on immutability.
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Cosmic Rays: what is the probability they will affect a program?
...khat.com/bh-us-11/Dinaburg/… lists modern multi-GB DRAMs to have around 10000-30000 FIT/Mbit (less than 100 hours between errors for every 128MB). The paper also lists articles which conclude that most soft errors are from radiation, almost all cases - from cosmic rays, and some cases from alpha-...
The necessity of hiding the salt for a hash
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ranbow table from say 1000 commonly used passwords would break this in almost the same speed as just hashing. The only way this would work is that if you assume the distribution of your passwords to be uniform.. and we know they are not
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Maximum concurrent Socket.IO connections
...onnections? I am having the identical issue, and my file limits are set to 100,000, so I know that is not the issue. Any help would be greatly appreciated. Thank you.
– Seth
Oct 1 '15 at 14:11
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How do I interpret precision and scale of a number in a database?
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mezoidmezoid
25.7k3434 gold badges100100 silver badges147147 bronze badges
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What is the best way to detect a mobile device?
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100
Why not: if( screen.width <= 480 ) { // is mobile }
– andrewrjones
Jan 20 '13 at 1:05
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How to [recursively] Zip a directory in PHP?
..._limit(3000);
ini_set('max_execution_time', 3000);
ini_set('memory_limit','100M');
$new_zip_filename='down_zip_file_'.rand(1,1000000).'.zip';
// Download action
if (isset($_GET['dir'])) {
$za = new ModifiedFlxZipArchive;
//create an archive
if ($za->open($new_zip_filename, ZipAr...
