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Placement of the asterisk in pointer declarations
I've recently decided that I just have to finally learn C/C++, and there is one thing I do not really understand about pointers or more precisely, their definition.
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How do I find duplicates across multiple columns?
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Duplicated id for pairs name and city:
select s.id, t.*
from [stuff] s
join (
select name, city, count(*) as qty
from [stuff]
group by name, city
having count(*) > 1
) t on s.name = t.name and s.city = t.city
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How to remove application from app listings on Android Developer Console
Is there any way to unpublish and then permanently remove an application from the list of applications on Android Developer Console?
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What is an abstract class in PHP?
...act method, which is a method without any actual code in it, just the name and the parameters, and that has been marked as "abstract".
The purpose of this is to provide a kind of template to inherit from and to force the inheriting class to implement the abstract methods.
An abstract class thus is...
Convert to/from DateTime and Time in Ruby
How do you convert between a DateTime and a Time object in Ruby?
6 Answers
6
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Cosine Similarity between 2 Number Lists
...ity between two lists , let's say for example list 1 which is dataSetI and list 2 which is dataSetII . I cannot use anything such as numpy or a statistics module. I must use common modules (math, etc) (and the least modules as possible, at that, to reduce time spent).
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How does std::move() transfer values into RValues?
I just found myself not fully understanding the logic of std::move() .
2 Answers
2
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zsh compinit: insecure directories
What does it mean and how can I fix it?
22 Answers
22
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React.js: Wrapping one component into another
...fter
</div>
);
}
});
See Multiple Components: Children and Type of the Children props in the docs for more info.
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vim line numbers - how to have them on by default?
...f the .vimrc file is not in your home directory create one with
vim .vimrc and add the commands you want at open.
Here's a site that explains the vimrc and how to use it.
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