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What is std::move(), and when should it be used?
...ences and move constructors
In C++11, in addition to copy constructors, objects can have move constructors.
(And in addition to copy assignment operators, they have move assignment operators.)
The move constructor is used instead of the copy constructor, if the object has type "rvalue-reference" (...
Differences in string compare methods in C#
...mple. In fact there are several ways to do it. I have listed some in the block below. What I am curious about are the differences between them and when one should be used over the others? Should one be avoided at all costs? Are there more I haven't listed?
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What can I use instead of the arrow operator, `->`?
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The following two expressions are equivalent:
a->b
(*a).b
(subject to operator overloading, as Konrad mentions, but that's unusual).
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What does default(object); do in C#?
Googling is only coming up with the keyword, but I stumbled across some code that says
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Difference between left join and right join in SQL Server [duplicate]
I know about joins in SQL Server.
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How to write a switch statement in Ruby
How do I write a switch statement in Ruby?
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How to stretch div height to fill parent div - CSS
I have a page with divs like below
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PHP: merge two arrays while keeping keys instead of reindexing?
... pairs) while keeping the string/int keys? None of them will ever overlap (because one has only strings and the other has only integers).
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How to join strings in Elixir?
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If you just want to join some arbitrary list:
"StringA" <> " " <> "StringB"
or just use string interpolation:
"#{a} #{b}"
If your list size is arbitrary:
Enum.join(["StringA", "StringB"], " ")
... all of the solutions above will return...
Maven: how to override the dependency added by a library
Here's my generic problem:
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