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Why are exclamation marks used in Ruby methods?
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edited Nov 14 '17 at 22:54
Inanc Gumus
13.9k77 gold badges6262 silver badges7777 bronze badges
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Two-way encryption: I need to store passwords that can be retrieved
... $salt = substr($data, 0, 128);
$enc = substr($data, 128, -64);
$mac = substr($data, -64);
list ($cipherKey, $macKey, $iv) = $this->getKeys($salt, $key);
if (!hash_equals(hash_hmac('sha512', $enc, $macKey, true), $mac)) {
return false;
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Error inflating when extending a class
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answered Sep 18 '10 at 0:14
eccentricbipedeccentricbiped
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Is it possible to specify your own distance function using scikit-learn K-Means Clustering?
...if verbose >= 2:
print "kmeans: av |X - nearest centre| = %.4g" % avdist
if (1 - delta) * prevdist <= avdist <= prevdist \
or jiter == maxiter:
break
prevdist = avdist
for jc in range(k): # (1 pass in C)
c = np.where( xtoc...
How to call Stored Procedure in Entity Framework 6 (Code-First)?
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edited Oct 24 '18 at 11:06
Lankymart
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Get specific object by id from array of objects in AngularJS
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4
The only way to do this is to iterate over the array. Obviously if you are sure that the results...
Execution time of C program
...ating point type. This can be more precise than a second (e.g. you measure 4.52 seconds). Precision depends on the architecture; on modern systems you easily get 10ms or lower, but on older Windows machines (from the Win98 era) it was closer to 60ms.
clock() is standard C; it works "everywhere". Th...
Is there a way to access an iteration-counter in Java's for-each loop?
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edited Sep 29 '16 at 20:49
ragerdl
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answered Jan 25 '09 at 11...
How do I serialize a C# anonymous type to a JSON string?
... Berardi
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17
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ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'db'
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edited Feb 26 '14 at 5:55
Kshitij Mittal
2,1331919 silver badges3232 bronze badges
answered Ja...