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What is a monad?

Having briefly looked at Haskell recently, what would be a brief, succinct, practical explanation as to what a monad essentially is? ...
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Difference between staticmethod and classmethod

What is the difference between a function decorated with @staticmethod and one decorated with @classmethod ? 27 Answers ...
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What's “P=NP?”, and why is it such a famous question? [closed]

The question of whether P=NP is perhaps the most famous in all of Computer Science. What does it mean? And why is it so interesting? ...
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How do you represent a graph in Haskell?

It's easy enough to represent a tree or list in haskell using algebraic data types. But how would you go about typographically representing a graph? It seems that you need to have pointers. I'm guessing you could have something like ...
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What is the difference between a framework and a library?

What is the difference between a framework and a library ? 19 Answers 19 ...
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Role-based access control (RBAC) vs. Claims-based access control (CBAC) in ASP.NET MVC

What are the main benefits of using CBAC vs. RBAC ? When is it better to use CBAC and when is it better to use RBAC? 11...
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Why not inherit from List?

When planning out my programs, I often start with a chain of thought like so: 27 Answers ...
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'const int' vs. 'int const' as function parameters in C++ and C

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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?

I came upon the Curry-Howard Isomorphism relatively late in my programming life, and perhaps this contributes to my being utterly fascinated by it. It implies that for every programming concept there exists a precise analogue in formal logic, and vice versa. Here's a "basic" list of such analogies...
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Why do you create a View in a database?

When and Why does some one decide that they need to create a View in their database? Why not just run a normal stored procedure or select? ...