Questions tagged [fad]

4 questions
4
votes
2 answers

What to do with “Inferred type is less polymorphic than expected”?

I need the Numeric.FAD library, albeit still being completely puzzled by existential types. This is the code: error_diffs :: [Double] -> NetworkState [(Int, Int, Double)] error_diffs desired_outputs = do diff_error <- (diff_op $ error' $ map…
Astro
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3
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7 answers

Is there a best way to handle naming fads?

In the last year and a bit of working on my team's code base I have noticed a steady progression of naming conventions. For example, there are a lot of classes that are named to express that they are a class that helps you do something. Here's the…
mezoid
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1
vote
1 answer

Let A,B, C be fad. Consider the equation X = AX + BX + C. Must a solution X be fad?

Let A,B, C be fad. Consider the equation X = AX + BX + C. Must a solution X be fad? Could you help me solve this question? fad is a regular language
AmrutaMV
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1 answer

HTTP Status 404 - /beer/SelectBeer.do

Web.xml : Hi , can't solve the error, spent over two days and the same issue. Please help ,do I have any mistake ?
Hazal
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