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Hidden features of mod_rewrite
...directories
RewriteCond %{REQUEST_FILENAME} !-d
# map requests to index.php and append as a query string
RewriteRule ^(.*)$ index.php?query=$1
Since Apache 2.2.16 you can also use FallbackResource.
Handling 301/302 redirects:
RewriteEngine on
# 302 Temporary Redirect (302 is the default, but ...
Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC?
... if (sharedInstance == nil) {
sharedInstance = [[MyClass alloc] init];
}
}
return sharedInstance;
}
The benefit of dispatch_once() over this is that it's faster. It's also semantically cleaner, because it also protects you from multiple threads doing alloc init of...
Should I use Java's String.format() if performance is important?
... follow (average of 5 runs each):
Approach Time(ms) Memory allocated (long)
'+' operator 747 320,504
String.format 16484 373,312
StringBuilder 769 57,344
We can see that String '+' and StringBuilder are practicall...
push_back vs emplace_back
...ving does not make s invalid, the move will only steal the internal memory allocation already done in s and leave it in a defaulted state (no sting allocated) which when destructed will be fine as if you had just typed std::string str;
– David
Nov 30 '10 at 0:5...
PHP function to make slug (URL string)
... use Transliterator::transliterate function to create a slug easily.
<?php
$string = 'Namnet på bildtävlingen';
$slug = \Transliterator::createFromRules(
':: Any-Latin;'
. ':: NFD;'
. ':: [:Nonspacing Mark:] Remove;'
. ':: NFC;'
. ':: [:Punctuation:] Remove;'
. ':: Lowe...
JavaScript equivalent of PHP’s die
...
I think that if PHP has a "firebug" equivalent, it should also write "1 error" on die() ;-) Good answer!
– Adrian Maire
Apr 25 '13 at 14:04
...
How do I choose a HTTP status code in REST API for “Not Ready Yet, Try Again Later”? [closed]
...D contain an appropriate precondition or postcondition code, such as 'lock-token-submitted' or 'no-conflicting-lock'.
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How to render a DateTime object in a Twig template
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Twig's date function uses the same format as the php function (from the Twig docs). For anyone looking for other formats, php.net/manual/en/function.date.php.
– JonnyS
Mar 19 '14 at 20:22
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PHP Remove elements from associative array
I have an PHP array that looks something like this:
9 Answers
9
...
How do you remove an array element in a foreach loop?
... use($found_tag){
return $e != $found_tag['name'];
});
As the php documentation reads:
As foreach relies on the internal array pointer in PHP 5, changing it within the loop may lead to unexpected behavior.
In PHP 7, foreach does not use the internal array pointer.
...