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How to implement static class member functions in *.cpp file?
... marked either inline or template or you'll get multiple definition errors from the linker.
– Ben Voigt
Mar 21 '11 at 2:11
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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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What is the difference between class and instance attributes?
...ances. The attribute on an instance is unique to that instance.
If coming from C++, attributes on the class are more like static member variables.
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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...
Rails mapping array of hashes onto single hash
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@redgetan is that any different from input.reduce(:merge)?
– David van Geest
May 12 '15 at 14:13
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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):
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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 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...
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 get an array of specific “key” in multidimensional array without looping
Let's assume I have the following multidimensional array (retrieved from MySQL or a service):
4 Answers
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