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push_back vs emplace_back
I'm a bit confused regarding the difference between push_back and emplace_back .
7 Answers
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
I've just recently switched to a Mac from Ubuntu. I was disappointed that mac doesn't have the convenient sudo apt-get in Ubuntu. I've heard that I should use homebrew but I'm not exactly sure what homebrew or macports does?
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What is the difference between a.getClass() and A.class in Java?
In Java what pros/cons exist surrounding the choice to use a.getClass() or A.class ? Either can be used wherever a Class<?> is expected, but I imagine that there would be performance or other subtle benefits to using both in different circumstances (just like there are with Class.forName...
How to compute the similarity between two text documents?
I am looking at working on an NLP project, in any programming language (though Python will be my preference).
10 Answers
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How to duplicate object properties in another object?
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for(var k in firstObject) secondObject[k]=firstObject[k];
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Django rest framework, use different serializers in the same ModelViewSet
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Override your get_serializer_class method. This method is used in your model mixins to retrieve the proper Serializer class.
Note that there is also a get_serializer method which returns an instance of the correct Serializer
class DualSerializerViewSet(viewsets.ModelViewSet):
def ...
Suppressing “is never used” and “is never assigned to” warnings in C#
I have a HTTPSystemDefinitions.cs file in C# project which basically describes the older windows ISAPI for consumption by managed code.
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What is a Windows Handle?
What is a "Handle" when discussing resources in Windows? How do they work?
7 Answers
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How to wait for several Futures?
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You could use a for-comprehension as follows instead:
val fut1 = Future{...}
val fut2 = Future{...}
val fut3 = Future{...}
val aggFut = for{
f1Result <- fut1
f2Result <- fut2
f3Result <- fut3
} yield (f1Result, f2Result, f3Result)
In this example, fut...
File Explorer in Android Studio
Can anyone tell where the file explorer is located in Android Studio?
18 Answers
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