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Should functions return null or an empty object?
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31 Answers
31
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Remove duplicate dict in list in Python
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12 Answers
12
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Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...o Encrypt:
$iv = mcrypt_create_iv(
mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC),
MCRYPT_DEV_URANDOM
);
$encrypted = base64_encode(
$iv .
mcrypt_encrypt(
MCRYPT_RIJNDAEL_128,
hash('sha256', $key, true),
$string,
MCRYPT_MODE_CBC,
$i...
How do I implement onchange of with jQuery?
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14 Answers
14
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how to remove shared preference while application uninstall in android
..., Application gets removed automatically by the Android OS.
EDITED: 29/04/15: for >= 21 API refer @Maher Abuthraa 's answer
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How to check if a Constraint exists in Sql server?
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13 Answers
13
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How to add elements to an empty array in PHP?
...y_push and the method you described will work.
$cart = array();
$cart[] = 13;
$cart[] = 14;
// etc
//Above is correct. but below one is for further understanding
$cart = array();
for($i=0;$i<=5;$i++){
$cart[] = $i;
}
echo "<pre>";
print_r($cart);
echo "</pre>";
Is the same a...
How does OAuth 2 protect against things like replay attacks using the Security Token?
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1391
How OAuth 2.0 works in real life:
I was driving by Olaf's bakery on my way to work when I sa...
Explicit specialization in non-namespace scope [duplicate]
...is case - explicit specializations have to be at namespace scope. C++03, §14.7.3/2:
An explicit specialization shall be declared in the namespace of which the template is a member, or, for member templates, in the namespace of which the enclosing class or enclosing class template is a member.
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