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I want to generate Int64 IDs from Data.Texts. They will be used as primary keys in a database.
I know there is Data.Hashable from the hashable package which looks very nice but unfortunately returns Int, which changes it's size depending on the platform.
Is there any well-known hashing package I am unable to find? Or can Data.Hashable actually be used in this case and I just don't understand why?
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Is there an equivalent of Data.Lists.NonEmpty for sets?
I know there is NonNull from mono-traversable, but I'm wondering if there's anything else out there.
Not in base, but there does seem to be a package that includes nonempty versions of a few data structures, such as Maps and Sets.
http://hackage.haskell.org/package/non-empty-0.3
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I am currently searching for implementations of Huet's Zipper ``in the wild''.
So far, I have found:
The agda compiler (correct me if I'm wrong) uses the zipper for the eliminator of call-by-need evaluations, filling out information as it goes.
Another instance is used in XMonad to keep track of the focused workspace and the focused window on each workspace
Are there other ways to implement//other implementations of the zipper?
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I have a C header file with various enums and typedefs and structs defined.
Are there any awesome tools out there for turning that into a Rust file?
I never tried it, but there is rust-bindgen...
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I'm looking for a way to derive fmapFirst and fmapSecond for bifunctors automatically. I would prefer a way to do it using the new Generic type class or using Data.Data, and without Template Haskell.
(Note that I already know that https://hackage.haskell.org/package/genifunctors-0.2.2.0/docs/Data-Generics-Genifunctors.html supports this with use of Template Haskell, I wish to know if Template Haskell can be avoided here)
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An interesting question by Rnaer from Biostar:
I want to find unique dna/protein sequences of a given length (30nt, for example)
that does not match to any region of the C.elegans genome. Is there
any tool to do that?
NCBI provides an easy way to search DNA/Amino acid sequence databases that DO NOT match to a target organisms genome, yet match to other databases and sources.
Just use the exclude field in NCBI's BLASTn
Hope this was useful.