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Proper usage of Optional.ifPresent()
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jwismar
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answered Jun 15 '14 at 9:41
JB NizetJB Nizet
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ItemsControl with horizontal orientation
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Tim Cooper
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answered Jun 27 '09 at 9:43
Kent BoogaartKent Boogaart
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Difference between “managed” and “unmanaged”
I hear/read about it sometimes when talking about .NET, for example "managed code" and "unmanaged code" but I have no idea what they are and what are their differences. What are their difference, by definition? What are the consequences of using either of them? Does this distinction exist in .NET/Wi...
Does MySQL foreign_key_checks affect the entire database?
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Giacomo1968
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answered Dec 16 '11 at 18:46
AlmoAlmo
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What is the 'CLSCompliant' attribute in .NET?
...ods named MyMethod and MYMETHOD.
Only properties and methods may be overloaded, operators should not be overloaded.
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When to use RSpec let()?
...ce variable, a new one will be created and initialized to nil, which can lead to subtle bugs and false positives. Since let creates a method, you'll get a NameError when you misspell it, which I find preferable. It makes it easier to refactor specs, too.
A before(:each) hook will run before each e...
Sorting related items in a Django template
...me']
See the manual for further reference.
EDIT. Another solution is to add a property to your Event model, that you can access from your template:
class Event(models.Model):
# ...
@property
def sorted_attendee_set(self):
return self.attendee_set.order_by('last_name')
You could define more...
Do SVG docs support custom data- attributes?
In HTML5, elements can have arbitrary metadata stored in XML attributes whose names start with data- such as <p data-myid="123456"> . Is this part of the SVG spec too?
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Namespace + functions versus static methods on a class
... in the same namespace as a class belong to that class' interface (because ADL will search those functions when resolving function calls).
Namespaced functions, unless declared "friend," have no access to the class' internals, whereas static methods have.
This means, for example, that when maintai...
Detecting when the 'back' button is pressed on a navbar
...enting modal view controllers you should use - (BOOL)isBeingDismissed instead:
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
if (self.isBeingDismissed) {
// Do your stuff here
}
}
As noted in this question, you could combine both properties:
- (void)vi...