Logs: freenode/#haskell
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| 2020-11-13 22:29:41 | <PatrcikGrey> | Hello everyone, nice to meet all of you, I tried to google it but failed, so maybe some of you will know the answer: |
| 2020-11-13 22:30:12 | <PatrcikGrey> | Do you know any successful uses of haskell in object detection?(especially people detection) |
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| 2020-11-13 22:31:31 | <PatrcikGrey> | Tried to find some libraries/code/companies but its pretty weak compared to c++, however I would really want to do it in functional way. |
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| 2020-11-13 22:39:22 | <texasmynsted> | What is object detection? |
| 2020-11-13 22:40:00 | hackage | polysemy-methodology 0.1.7.0 - Domain modelling algebra for polysemy https://hackage.haskell.org/package/polysemy-methodology-0.1.7.0 (locallycompact) |
| 2020-11-13 22:41:59 | <texasmynsted> | Maybe just use an object detection lib from C and call that from Haskell? |
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| 2020-11-13 22:43:31 | hackage | polysemy-extra 0.1.5.0 - Extra Input and Output functions for polysemy.. https://hackage.haskell.org/package/polysemy-extra-0.1.5.0 (locallycompact) |
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| 2020-11-13 22:45:31 | hackage | polysemy-extra 0.1.6.0 - Extra Input and Output functions for polysemy.. https://hackage.haskell.org/package/polysemy-extra-0.1.6.0 (locallycompact) |
| 2020-11-13 22:47:30 | hackage | polysemy-extra 0.1.6.1 - Extra Input and Output functions for polysemy.. https://hackage.haskell.org/package/polysemy-extra-0.1.6.1 (locallycompact) |
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| 2020-11-13 23:03:58 | <edwardk> | PatrcikGrey: hrmm |
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| 2020-11-13 23:04:22 | <edwardk> | PatrcikGrey: https://www.youtube.com/watch?v=Zlt6EJVdUN8 was written in haskell |
| 2020-11-13 23:04:31 | <edwardk> | not people |
| 2020-11-13 23:04:40 | <edwardk> | but 3d shape recognition, motion planning, etc. |
| 2020-11-13 23:06:30 | <edwardk> | there's also http://lumi.guide/ the folks there are doing stuff for figuring out numbers of bikes in parking garages with computer vision / haskell |
| 2020-11-13 23:07:46 | <edwardk> | PatrcikGrey: neither is exactly what you want, which sounds like you're looking for something like, what, opencv bindings? |
| 2020-11-13 23:09:30 | hackage | polysemy-vinyl 0.1.3.1 - Functions for mapping vinyl records in polysemy. https://hackage.haskell.org/package/polysemy-vinyl-0.1.3.1 (locallycompact) |
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| 2020-11-13 23:21:19 | <moet> | PatrcikGrey: i've used the opencv bindings, of which there are several. You'll have to do some work to wrap them for a "functional" style if that's what you're after. |
| 2020-11-13 23:22:31 | hackage | polysemy-vinyl 0.1.4.0 - Functions for mapping vinyl records in polysemy. https://hackage.haskell.org/package/polysemy-vinyl-0.1.4.0 (locallycompact) |
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| 2020-11-13 23:43:52 | <xe4> | is there an equivalent of headMay for Vector? |
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| 2020-11-13 23:44:28 | <glguy> | xe4: v !? 0 |
| 2020-11-13 23:44:34 | <edwardk> | !?0 |
| 2020-11-13 23:44:40 | <edwardk> | beat me to it |
| 2020-11-13 23:45:01 | <glguy> | and instead of pulling in a dependency for headMay there's listToMaybe in base |
| 2020-11-13 23:45:04 | <edwardk> | clearly the solution is first to install lens... |
| 2020-11-13 23:45:16 | <glguy> | Like it wasn't already installed o.O ? |
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| 2020-11-13 23:45:26 | <edwardk> | it is gauche to assume =) |
| 2020-11-13 23:45:53 | <xe4> | hey! that worked, thanks glguy and edwardk for paying attention to the channel :) |
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| 2020-11-13 23:47:32 | <xe4> | maybe I should use List until it proves to be a problem |
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| 2020-11-13 23:49:38 | <sm[m]> | how would you convert a UTCTime (or a POSIXTime, AKA NominalDiffTime, AKA seconds since epoch) to a ClockTime ? |
| 2020-11-13 23:49:48 | <sm[m]> | in a total way ? |
| 2020-11-13 23:51:20 | <sm[m]> | to construct a ClockTime, you need an Integer. POSIXTime/NominalDiffTime doesn't have an Integral instance, so toInteger is out |
| 2020-11-13 23:52:01 | <sm[m]> | I solved this before by read . show, which is crap |
| 2020-11-13 23:53:43 | <sm[m]> | aha.. I can round it |
| 2020-11-13 23:57:31 | <sm[m]> | though, that'll be accurate only to a second. properFraction could work better |
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