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Do I set properties to nil in dealloc when using ARC?
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answered Oct 26 '11 at 18:05
Lily BallardLily Ballard
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Create singleton using GCD's dispatch_once in Objective-C
...ods. If another programmer wants use method marked as unavailable, he gets error
– Sergey Petruk
Apr 13 '16 at 11:17
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Get host domain from URL?
how to get host domain from a string URL?
9 Answers
9
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Mysql - How to quit/exit from stored procedure
...ink space is necessary between : and BEGIN as proc_label:BEGIN gave syntax error while proc_label: BEGIN worked.
– Umair Malhi
Aug 9 '17 at 10:06
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cancelling a handler.postdelayed process
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– andrea.rinaldi
Jul 13 '15 at 13:05
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Get user info via Google API
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easoneason
2,40522 gold badges1313 silver badges1818 bronze badges
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How do I detect a click outside an element?
... jQuery one).
Polyfills can be found here: Element.closest()
Edit – 2020-05-21
In the case where you want the user to be able to click-and-drag inside the element, then release the mouse outside the element, without closing the element:
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let lastMouseDownX = 0;
let lastMouseDo...
SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)
...on on device from Xcode I would try to access the keychain but fail due to error -34018. This doesn't match any of the documented keychain error codes and can't be consistently reproduced. (happens maybe 30% of the time, and it's not clear to me why it happens). What makes debugging this problem ver...
How to remove all of the data in a table using Django
...nded deleting all entries from - model == model_4 , but now i get to see a Error screen within Admin console when i try to asceratin that all objects of model_4 have been deleted ...
ProgrammingError at /admin/dc_dash/model_4/
relation "dc_dash_model_4" does not exist
LINE 1: SELECT COUNT(*) AS "__...
What is the purpose of the single underscore “_” variable in Python?
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gettext
documentation for example), as in code like
raise forms.ValidationError(_("Please enter a correct username")).
# the usage of underscore in translation comes from examples in the doc
# that have been copy/pasted over decades, like this one:
import gettext
gettext.bindtextdo...