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Check if a class has a member function of a given signature
... but you may exploit SFINAE to detect function presence at compile-time. Example from my code (tests if class has member function size_t used_memory() const).
template<typename T>
struct HasUsedMemoryMethod
{
template<typename U, size_t (U::*)() const> struct SFINAE {};
template...
Best way to do multiple constructors in PHP
...u can't put two __construct functions with unique argument signatures in a PHP class. I'd like to do this:
21 Answers
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How to get CRON to call in the correct PATHs
...vironment Variables
0 9 * * * cd /var/www/vhosts/foo/crons/; bash -l -c 'php -f ./download.php'
0 9 * * * cd /var/www/vhosts/foo/crons/; bash -l -c download.sh
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Why doesn't Git ignore my specified file?
...epository. You can do that by using git rm --cached sites/default/settings.php. This removes the file from the repository without physically deleting the file (that’s what the --cached does). After committing that change, the file will be removed from the repository, and ignoring it should work pr...
How can I get the MAC and the IP address of a connected client in PHP?
...ow the MAC and the IP address of the connect clients, how can I do this in PHP?
16 Answers
...
Synchronous request in Node.js
... pass to the next
endpoints =
[{ host: 'www.example.com', path: '/api_1.php' },
{ host: 'www.example.com', path: '/api_2.php' },
{ host: 'www.example.com', path: '/api_3.php' }];
async.mapSeries(endpoints, http.get, function(results){
// Array of results
});
...
How does std::forward work? [duplicate]
...ding to the standard:
§20.2.3 [forward] p2
Returns: static_cast<T&&>(t)
(Where T is the explicitly specified template parameter and t is the passed argument.)
Now remember the reference collapsing rules:
TR R
T& & -> T& // lvalue reference to cv TR ->...
How to send a header using a HTTP request through a curl call?
...
In PHP:
curl_setopt($ch, CURLOPT_HTTPHEADER, array('HeaderName:HeaderValue'));
or you can set multiple:
curl_setopt($ch, CURLOPT_HTTPHEADER, array('HeaderName:HeaderValue', 'HeaderName2:HeaderValue2'));
...
How to disable typing special characters when pressing option key in Mac OS X? [closed]
...is to download Ukulele from here:
http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=ukelele
In the application you can create a new keylayout using File -> New from current source. Pressing Option will show you in the place for Option-b a red colored key - meaning it's a dead key....
Which commit has this blob?
... push @subtree, $2 if $1 eq 'tree';
}
}
check_tree( $_ ) && return 1 for @subtree;
return;
}
memoize 'check_tree';
die "usage: git-find-blob <blob> [<git-log arguments ...>]\n"
if not @ARGV;
my $obj_short = shift @ARGV;
$obj_name = do {
local $ENV...