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Print variables in hexadecimal or decimal format
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How do I disable the “Press ENTER or type command to continue” prompt in Vim?
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How can I reference the value of a final static field in the class?
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socket.shutdown vs socket.close
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answered Jan 3 '09 at 21:10
Bob NadlerBob Nadler
2,5232424 silver badges2020 bronze badges
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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...
Asynchronous Requests with Python requests
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Copy multiple files in Python
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You can use os.listdir() to get the files in the source directory, os.path.isfile() to see if ...
Postgres: Distinct but only for one column
I have a table on pgsql with names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
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How to round up a number to nearest 10?
How can we round off a number to the nearest 10 in php?
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