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How can I reliably get an object's address when operator& is overloaded?
...a bit of black magic, but it does simplify the work (rather than providing 4 overloads). Note that since T is unqualified, if we pass a ghost const&, then T* is ghost const*, thus the qualifiers have not really been lost.
EDIT: the pointer overload is used for pointer to functions, I amended th...
How do you uninstall MySQL from Mac OS X?
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14 Answers
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Active
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ElasticSearch: Unassigned Shards, how to fix?
I have an ES cluster with 4 nodes:
24 Answers
24
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How to use double or single brackets, parentheses, curly braces
...me for ((i=0; i<10000000; i++)); do [[ "$i" = 1000 ]]; done
real 0m24.548s
user 0m24.337s
sys 0m0.036s
$ time for ((i=0; i<10000000; i++)); do [ "$i" = 1000 ]; done
real 0m33.478s
user 0m33.478s
sys 0m0.000s
The braces, in addition to delimiting a variable name are used for par...
Simple state machine example in C#?
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425
Let's start with this simple state diagram:
We have:
4 states (Inactive, Active, Paused, ...
How to get nth jQuery element
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squaregoldfish
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answered Sep 18 '09 at 6:58
DykamDykam
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Generating Random Passwords
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answered Sep 10 '08 at 22:44
RikRik
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How do you sort an array on multiple columns?
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dcpdcp
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How to check if a user likes my Facebook Page or URL using Facebook's API
...payload) = explode('.', $_REQUEST['signed_request'], 2);
$sig = base64_decode(strtr($encoded_sig, '-_', '+/'));
$data = json_decode(base64_decode(strtr($payload, '-_', '+/'), true));
return $data;
}
return false;
}
if($signed_request = parsePageSignedRequest()) {
if...