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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
...ple, the code
NSError* __autoreleasing error = someError;
actually gets converted to
NSError* error = [[someError retain] autorelease];
... which is why it works when you have a parameter NSError* __autoreleasing * errorPointer, the called method will then assign the error to *errorPointer and...
When to use inline function and when not to use it?
I know that inline is a hint or request to compiler and its used to avoid function call overheads.
14 Answers
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How does RewriteBase work in .htaccess
...s a real rule I used to ensure that URLs have a trailing slash. This will convert
http://www.example.com/~new/page
to
http://www.example.com/~new/page/
By having the RewriteBase there, you make the relative path come off the RewriteBase parameter.
...
Generating a drop down list of timezones with PHP
... return $timezones;
}
function format_GMT_offset($offset) {
$hours = intval($offset / 3600);
$minutes = abs(intval($offset % 3600 / 60));
return 'GMT' . ($offset ? sprintf('%+03d:%02d', $hours, $minutes) : '');
}
function format_timezone_name($name) {
$name = str_replace('/', ', '...
List vs List
...d your scenario there. However, you can help the compiler by giving him a hint:
List<Car> cars;
List<? extends Automobile> automobiles = cars; // no error
Contravariance
The reverse of co-variance is contravariance. Where in covariance the parameter types must have a subtype relati...
How to prevent buttons from submitting forms
...be used PHP sessions and neither cookies are allowed!
So any link must be converted to such form submit, so the login data is not lost.
When no login is yet done, it must also work. So no validation must be performed on links.
But I want to present a message to the user if the user has not entered ...
How do I make an attributed string using Swift?
...UILabel.text = coffeeText I get an error "NSMutableAttributedString is not convertable to 'String'. Is there a way to make the UILabel accept NSMutableAttributedString?
– dcbenji
Jul 10 '14 at 4:25
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How to fix corrupted git repository?
... DropBox, SpiderOak, or any other cloud disk), you can do the following:
Convert your .git folder into a single "bundle" git file by using: git bundle create my_repo.git --all, then it should work just the same as before, but since everything is in a single file you won't risk the synchronization ...
Is there a difference between foreach and map?
...eturns another list of the same size with the transformed members (such as converting a list of strings to uppercase)
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Django - how to create a file and save it to a model's FileField?
...ile) works perfectly with the file string returned by django-wkhtmltopdf's convert_to_pdf command. Thank you!!
– Nostalg.io
Sep 1 '16 at 4:53
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