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CORS Access-Control-Allow-Headers wildcard being ignored?
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Support for wildcards in the Access-Control-Allow-Headers header was added to the living standard only in May 2016, so it may not be supported by all browsers. On browser which don't implement this yet, it must be an exact match: htt...
Coalesce function for PHP?
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Does not work as expected for arrays. For example when trying to check if an undefined array element is falsey will result in an error. $input['properties']['range_low'] ?: '?'
– Keyo
Jul 12 '11 at 23:28
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Python argparse ignore unrecognised arguments
...= parser.parse_args()
with
args, unknown = parser.parse_known_args()
For example,
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--foo')
args, unknown = parser.parse_known_args(['--foo', 'BAR', 'spam'])
print(args)
# Namespace(foo='BAR')
print(unknown)
# ['spam']
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UITextView that expands to text using auto layout
...constraints as they should be, and in the end I put one special constraint for UITextView's height, and I saved it in an instance variable.
_descriptionHeightConstraint = [NSLayoutConstraint constraintWithItem:_descriptionTextView
attribute:NSLayoutAttributeHeight
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How do I translate an ISO 8601 datetime string into a Python datetime object? [duplicate]
I'm getting a datetime string in a format like "2009-05-28T16:15:00" (this is ISO 8601, I believe). One hackish option seems to be to parse the string using time.strptime and passing the first six elements of the tuple into the datetime constructor, like:
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How to customize user profile when using django-allauth
...ta from the user at signup. I came across a similar question here but unfortunately, no one answered the profile customization part.
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How do I dump an object's fields to the console?
... 0 ; puts server.inspect #<TCPServer:fd 9> => nil . it won't work for most complex objects.
– ribamar
Jul 25 '16 at 14:13
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How do I scroll the UIScrollView when the keyboard appears?
... this method somewhere in your view controller setup code.
- (void)registerForKeyboardNotifications
{
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardWasShown:)
name:UIKeyboardDidShowNotification object:nil];
[[NSNotificationCenter def...
Static methods in Python?
...ss C:
@staticmethod
def f(arg1, arg2, ...): ...
The @staticmethod form is a function decorator – see the description of function definitions in Function definitions for details.
It can be called either on the class (such as C.f()) or on an instance (such as C().f()). The instance is ignor...
Get the first key name of a javascript object [duplicate]
...ce of code. I was expecting to have to clutter everything up with a silly for key in dict:
– Jake
Jul 29 '12 at 5:10
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