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How do I clear all options in a dropdown box?
... It also dosen't work as excpected. When i use that code it leaves one object in dropdown.
– gabrjan
Jul 19 '13 at 10:09
9
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How do you create different variable names while in a loop? [duplicate]
...I said this somewhat tongue in check, but really the best way to associate one value with another value is a dictionary. That is what it was designed for!
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What breaking changes are introduced in C++11?
I know that at least one of the changes in C++11 that will cause some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...
How can I check if a key exists in a dictionary? [duplicate]
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As accepted answers go, this one is horrible. It in no way answers the question and is nothing more than a condescending link to the documentation. It is sad that Google ranks this so highly.
– cstrutton
Jul 12 '1...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
...what less CPU-intensive. On my Intel x86 (Core2 Quad Q6600, 2.4 GHz, using one core), I get this in 32-bit mode:
MD5 411
SHA-1 218
SHA-256 118
SHA-512 46
and this in 64-bit mode:
MD5 407
SHA-1 312
SHA-256 148
SHA-512 189
Figures are in megabytes per second, for a "...
A Space between Inline-Block List Items [duplicate]
...se 4px is rendered.
To avoid this you could run all your
lis together in one line, or block
the end tags and begin tags together
like this:
<ul>
<li>
<div>first</div>
</li><li>
<div>first</div>
<...
Memcache Vs. Memcached [duplicate]
Someone can explain me the difference between Memcache and Memcached in PHP environment?
What are the advantages of one over the other?
Can you also suggest the criteria used to choose between one or the other?
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Turn off deprecated errors in PHP 5.3
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Nope, the first one basically tells php to show ERROR/WARNING/PARSE/NOTICE errors, the second one tells php to show all but DEPRECATED errors.
– Robus
May 10 '10 at 15:17
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PHP + MySQL transactions examples
...ansaction
$db->beginTransaction();
// A set of queries; if one fails, an exception should be thrown
$db->query('first query');
$db->query('second query');
$db->query('third query');
// If we arrive here, it means that no exception was thrown
// i.e. ...
Anti forgery token is meant for user “” but the current user is “username”
...gouts by OAuth providers also cause this problem.
– Gone Coding
Oct 9 '13 at 13:04
18
Option 3 di...