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Why are side-effects modeled as monads in Haskell?

...s specifically covers the IO case. blog.sigfpe.com/2006/08/you-could-have-invented-monads-and.html is pretty similar, but generalizes RealWorld into... well, you'll see. – ephemient Mar 22 '10 at 16:46 ...
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What does the “Just” syntax mean in Haskell?

..." value via NULL references. Tony Hoare, an eminent computer scientist (he invented Quicksort and is a Turing Award winner), owns up to this as his "billion dollar mistake". The Maybe type is not the only way to fix this, but it has proven to be an effective way to do it. Maybe as a Functor The id...
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Haskell: Lists, Arrays, Vectors, Sequences

...robably undersell Data.Sequence. Finger trees are one of the most awesome inventions in the history of computing (Guibas should probably get a Turing award someday) and Data.Sequence is an excellent implementation and has a very useable API. – Philip JF Mar 8 ...
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Large-scale design in Haskell? [closed]

...for mapping design onto types/functions/classes/monads" ... I could try to invent my own, but I was hoping there might be a set of best practices distilled somewhere - or if not, recommendations for well-structured code to read of a large-ish system (as opposed to, say, a focused library). I edited...
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What is the use of interface constants?

... Java language structure to your own convenience. No Jackets Required. Why invent rules to barricade your ineffective lifestyle to discriminate and incriminate more effective lifestyles? The fundamental issue is information organisation. Information mediating the process, nd the behaviour of that ...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

... There is a tendency in software design world (at least, I feel so) to invent new names for well-known old things and patterns. And when we have a new paradigm (which perhaps slightly differs from already existing things), it usually comes with a whole set of new names for each tier. So "Busines...
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Why / when would it be appropriate to override ToString?

...guages use common hacks and a few that get it right. Some require wheel re-inventing, some do a shallow dump, others do a deep dump, none of them work the way I'd like them to... What I'm asking for is a very simple approach: print(array.ToString()); Outputs: 'Array[x]' or 'Array[x][y]' Whe...
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What is the difference between YAML and JSON?

... complex tasks like grammar definitions, and is often a better choice than inventing a new language. share | improve this answer | follow | ...
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Why em instead of px?

...t? Show the line on your iPhone. Still same size? Why not? Who the heck invented the 96dpi computer screen myth? (Some religions operate with a 72dpi myth. But equally wrong.) share | improve thi...
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what exactly is device pixel ratio?

... resolution phone screens consistently now. So the device pixel ratio was invented by phone makers so that they could continue to push the resolution, sharpness and quality of phone screens, without making elements on the screen too small to see or read. Here is a tool that also tells you your cur...