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Is returning by rvalue reference more efficient?
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Beta_ab&&
Beta::toAB() const {
return move(Beta_ab(1, 1));
}
This returns a dangling reference, just like with the lvalue reference case. After the function returns, the temporary object will get destructed. You should return Beta_ab by value, like the following
Beta_ab...
What is the difference D3 datum vs. data?
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166
I found the correct answer here from Mike himself:
D3 - how to deal with JSON data structures...
Why can't non-default arguments follow default arguments?
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177
All required parameters must be placed before any default arguments. Simply because they are m...
Difference between JAX-WS, Axis2 and CXF
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144
The JAX-WS implementation built into the JDK really is just the basic soap stuff. If you need...
Is it possible to use raw SQL within a Spring Repository
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135
The @Query annotation allows to execute native queries by setting the nativeQuery flag to t...
Is a RelativeLayout more expensive than a LinearLayout?
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149
In a talk at Google I/O 2013 (Writing Custom Views for Android), Romain Guy clarified the misu...
A migration to add unique constraint to a combination of columns
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251
add_index :people, [:firstname, :lastname, :dob], :unique => true
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Sending “User-agent” using Requests library in Python
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341
The user-agent should be specified as a field in the header.
Here is a list of HTTP header fiel...
Should I git ignore xcodeproject/project.pbxproj file?
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130
Update in the light of Swift Package Manager: If you're building a project as a Swift package ...
How to pass an array into jQuery .data() attribute
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144
It's treating your variable as a string, the zeroth element of which is [.
This is happening ...