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What is the copy-and-swap idiom?
What is this idiom and when should it be used? Which problems does it solve? Does the idiom change when C++11 is used?
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Is there a “standard” format for command line/shell help text?
If not, is there a de facto standard? Basically I'm writing a command line help text like so:
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What are the uses for Cross Join?
A cross join performs a cartesian product on the tuples of the two sets.
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Public Fields versus Automatic Properties
We're often told we should protect encapsulation by making getter and setter methods (properties in C#) for class fields, instead of exposing the fields to the outside world.
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Hidden features of Scala
What are the hidden features of Scala that every Scala developer should be aware of?
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How to store a list in a column of a database table
So, per Mehrdad's answer to a related question , I get it that a "proper" database table column doesn't store a list. Rather, you should create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I wa...
Applicatives compose, monads don't
What does the above statement mean? And when is one preferable to other?
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What is Java Servlet?
I read many articles to understand java servlet but I did not succeed.
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Convert int to char in java
Below is a code snippet,
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Why are side-effects modeled as monads in Haskell?
Could anyone give some pointers on why the impure computations in Haskell are modelled as monads?
8 Answers
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