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Is there a way to pass optional parameters to a function?
... the parameter. If the parameter has a non-default value, you know it came from the caller.
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Is it necessary to explicitly remove event handlers in C#
...ansferService.Transfer(source, destination);
// We now have to unsusbcribe from the event
transferService.BandwidthChanged -= ui.HandleBandwidthChange;
(You'd actually want to use a finally block to make sure you don't leak the event handler.) If we didn't unsubscribe, then the BandwidthUI would l...
Disable click outside of bootstrap modal area to close modal
...fore this "$('#modalForm').modal('show');". But for me, the best answer is from @ಅನಿಲ್
– Lucas
Jun 7 '17 at 19:55
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Is there any way in C# to override a class method with an extension method?
...n GetDesc();
}
}
What I noticed was that if I called a second method from inside an extension method, it would call the extension method that matched the signature even if there was a class method that also matched the signature. For example in the code above, when I call ExtFunc(), which in t...
lenses, fclabels, data-accessor - which library for structure access and mutation is better
... favorite implementation.
data-lens
[Edit: As of 1.8.0, these have moved from the comonad-transformers package to data-lens]
My data-lens package provides lenses in terms of the Store comonad.
newtype Lens a b = Lens (a -> Store b a)
where
data Store b a = Store (b -> a) b
Expanded th...
correct way to use super (argument passing)
...hat case, you can't pop the key-value pairs off of **kwargs or remove them from *args. Instead, you can define a Base class which unlike object, absorbs/ignores arguments:
class Base(object):
def __init__(self, *args, **kwargs): pass
class A(Base):
def __init__(self, *args, **kwargs):
...
Different class for the last element in ng-repeat
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yes.. I also got another answer from google groups <div ng-repeat="file in files" ng-class="{last: $last}"> {{file.name}} </div>
– Rahul
Jan 29 '13 at 11:37
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Rails: Adding an index after adding column
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@tomb I used the example from the original question. :table is the actual table name, so in the case of a users table, you'd substitute :users for :table.
– Jaap Haagmans
Sep 13 '18 at 9:24
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How to read XML using XPath in Java
...ks Yishai, I clear my question more, if I want to get a particular value from child nodes on a parent node. how that will be done? thanks
– kaibuki
May 12 '10 at 5:56
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Difference between Big-O and Little-O Notation
...m out, the more f(n) will be dominated by n (it will progressively diverge from it).
g(n) ∈ Θ(n) means: at some point, zooming out will not change how g(n) compare to n (if we remove ticks from the axis you couldn't tell the zoom level).
Finally h(n) ∈ O(n) means that function h can be in eith...