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When to use ref and when it is not necessary in C#
...ter are changes to the variable.
The article explains all of this in more detail, of course :)
Useful answer: you almost never need to use ref/out. It's basically a way of getting another return value, and should usually be avoided precisely because it means the method's probably trying to do too ...
How does the Amazon Recommendation feature work?
...the problems it will keep getting solved differently. And if you read the detailed links you can see how there is a "blend" of several approches to prediction within each of the big contenders for the prize. Great references.
– Dave Quick
Mar 1 '10 at 17:13
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How to get the absolute coordinates of a view
... wasn't obvious that I was doing that. Thanks! For anyone curious for more details, I've added an answer which explains what I mean.
– Steve Haley
Feb 9 '10 at 21:10
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What is the difference between SQL, PL-SQL and T-SQL?
...s the standard
language for relational database management systems.
In detail Structured Query Language is a special-purpose programming language designed for managing data held in a relational database management system (RDBMS), or for stream processing in a relational data stream management sy...
How to replace master branch in Git, entirely, from another branch? [duplicate]
...
Thanks for the detailed response, when I run 'git push remote :master' I get an error - 'remote' does not appear to be a git repository.
– Jason
May 19 '10 at 4:02
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Python: changing value in a tuple
... use ctypes to modify a tuple in-memory. Relying on various implementation details of CPython on a 64-bit system, one way to do this is as follows:
def modify_tuple(t, idx, new_value):
# `id` happens to give the memory address in CPython; you may
# want to use `ctypes.addressof` instead.
...
How to apply a function to two columns of Pandas dataframe
...pects.
Since you haven't provided the body of f I can't help in anymore detail - but this should provide the way out without fundamentally changing your code or using some other methods rather than apply
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Visibility of global variables in imported modules
...global everywhere, like a builtin, add it to the builtin module. The exact details differ between Python 2.x and 3.x. In 3.x, it works like this:
import builtins
import module1
builtins.a = 3
module1.f()
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How to use Servlets and Ajax?
...("Info has been added to the list successfully.<br>"+
"The Details are as follws : <br> Name : ");
}else{
$('#info').html("Sorry, there is some thing wrong with the data provided.");
}
},
error: function(e){
alert('Error: ' + e);
}
});
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Can we have functions inside functions in C++?
...ic sugar for functors and have zero overhead. There's a question with more detail somewhere on this website.
– Konrad Rudolph
Jun 14 '18 at 0:10
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