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2021-02-27 12:08:18 <jacks2> use return to make IO a out of a
2021-02-27 12:09:25 <daffy> ohhh
2021-02-27 12:09:32 <jacks2> or, I guess, just print the result since you are in main
2021-02-27 12:10:22 hackage PortMidi-simple 0.1.0.0 - Simplified PortMidi wrapper https://hackage.haskell.org/package/PortMidi-simple-0.1.0.0 (AlexanderBondarenko)
2021-02-27 12:12:17 <daffy> right
2021-02-27 12:13:43 → EoF joins (~EoF@ip5b419221.dynamic.kabel-deutschland.de)
2021-02-27 12:15:27 <daffy> if I want to allow the user to input a filepath, does getLine work? or i guess the question i'm asking is does ghci read a filepath as a string
2021-02-27 12:15:35 × danvet quits (~Daniel@2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa) (Ping timeout: 272 seconds)
2021-02-27 12:15:49 <jacks2> yes. FilePath is just alias for String
2021-02-27 12:15:54 × EoF quits (~EoF@ip5b419221.dynamic.kabel-deutschland.de) (Client Quit)
2021-02-27 12:16:25 <jacks2> or you can pass it as command line argument
2021-02-27 12:16:28 <jacks2> :t getArgs
2021-02-27 12:16:29 <lambdabot> error: Variable not in scope: getArgs
2021-02-27 12:16:34 <jacks2> @hoogle getArgs
2021-02-27 12:16:34 <lambdabot> System.Environment getArgs :: IO [String]
2021-02-27 12:16:35 <lambdabot> System.Environment.Blank getArgs :: IO [String]
2021-02-27 12:16:35 <lambdabot> System.Directory.Internal.Prelude getArgs :: IO [String]
2021-02-27 12:17:32 <jacks2> use the one in System.Environment getArgs
2021-02-27 12:18:47 × merijn quits (~merijn@83-160-49-249.ip.xs4all.nl) (Ping timeout: 265 seconds)
2021-02-27 12:19:16 <daffy> ah okay, thank you man
2021-02-27 12:21:27 → gitgood joins (~gitgood@80-44-13-166.dynamic.dsl.as9105.com)
2021-02-27 12:22:10 <__monty__> If you want to do command-line arguments take a look at optparse-applicative.
2021-02-27 12:23:21 → nineonine joins (~nineonine@2604:3d08:7785:9600:8c3e:8d1a:de68:76d3)
2021-02-27 12:23:39 <jacks2> he has yet to use Maybe, and is just starting how to use do blocks, optparse-applicative might be a bit too advanced at this point :)
2021-02-27 12:23:46 <jacks2> starting to learn*
2021-02-27 12:23:49 × emmanuel_erc quits (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com) (Read error: Connection reset by peer)
2021-02-27 12:24:44 → emmanuel_erc joins (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com)
2021-02-27 12:25:32 × peutetre quits (~peutetre@185.163.110.108) (Remote host closed the connection)
2021-02-27 12:26:59 × basoares quits (~basoares@2a04:ee41:4:2178:a846:18f7:81d4:249b) (Ping timeout: 272 seconds)
2021-02-27 12:27:47 <__monty__> Didn't see that context. And it still depends. Some people prefer just getting things done the dirty way, others prefer investing some more time up front to come to a more elegant solution.
2021-02-27 12:28:14 × nineonine quits (~nineonine@2604:3d08:7785:9600:8c3e:8d1a:de68:76d3) (Ping timeout: 264 seconds)
2021-02-27 12:31:27 → drbean_ joins (~drbean@TC210-63-209-94.static.apol.com.tw)
2021-02-27 12:32:58 → __minoru__shirae joins (~shiraeesh@46.34.207.247)
2021-02-27 12:33:51 <daffy> thanks guys for the help, do you guys have any recommendations on books to read or websites for learning haskell?
2021-02-27 12:34:14 → geekosaur joins (ac3a8f5e@172.58.143.94)
2021-02-27 12:34:24 → BigLama joins (~alex@static-176-165-167-17.ftth.abo.bbox.fr)
2021-02-27 12:35:22 <BigLama> Hi guys, I have somme issues with the Req library https://hackage.haskell.org/package/req-3.9.0/docs/Network-HTTP-Req.html
2021-02-27 12:35:28 <__monty__> If you're very new there's the books by Graham Hutton or Richard Bird or Haskell from first principles. If you're familiar with functional programming concepts CIS194 is often recommended.
2021-02-27 12:35:46 <__monty__> @where hutton
2021-02-27 12:35:46 <lambdabot> I know nothing about hutton.
2021-02-27 12:36:12 <BigLama> The doc says "Note that if you use req to do all your requests, connection sharing and reuse is done for you automatically." However, I've mad a first requestion to log in (successful) but a second requestion do not seem to share connection...
2021-02-27 12:36:30 <BigLama> s/requestion/request/
2021-02-27 12:37:13 <daffy> completely new to functional programming, i've done a little bit of racket but that's it
2021-02-27 12:37:39 → dftxbs3e joins (~dftxbs3e@unaffiliated/dftxbs3e)
2021-02-27 12:37:39 × emmanuel_erc quits (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com) (Read error: Connection reset by peer)
2021-02-27 12:37:49 <__monty__> @where PIH
2021-02-27 12:37:49 <lambdabot> "Programming in Haskell" by Graham Hutton in 2007-01-15,2016-09-01 at <http://www.cs.nott.ac.uk/~pszgmh/pih.html>
2021-02-27 12:38:04 <__monty__> http://www.cs.ox.ac.uk/publications/books/functional/
2021-02-27 12:38:12 <__monty__> @where HPFFP
2021-02-27 12:38:12 <lambdabot> "Haskell Programming: from first principles - Pure functional programming without fear or frustration" by Chistopher Allen (bitemyapp),Julie Moronuki at <http://haskellbook.com/>,#haskell-beginners
2021-02-27 12:38:26 → emmanuel_erc joins (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com)
2021-02-27 12:38:29 <daffy> awesome, thanks!
2021-02-27 12:39:26 <__monty__> BigLama: Compiled or in GHCi? And maybe it's only about reusing TCP connections?
2021-02-27 12:42:37 × chloekek quits (~chloekek@84-80-232-61.fixed.kpn.net) (Quit: Leaving)
2021-02-27 12:43:56 <ij> does repa or vector have functionality that could grow each pixel into a NxN in place?
2021-02-27 12:45:22 → bergey joins (~user@pool-74-108-99-127.nycmny.fios.verizon.net)
2021-02-27 12:45:57 × xelxebar_ quits (~xelxebar@gateway/tor-sasl/xelxebar) (Remote host closed the connection)
2021-02-27 12:47:48 → xelxebar joins (~xelxebar@gateway/tor-sasl/xelxebar)
2021-02-27 12:48:18 × LKoen quits (~LKoen@185.61.176.203) (Remote host closed the connection)
2021-02-27 12:48:28 <BigLama> __monty__: compiled
2021-02-27 12:48:52 hackage hslua-core 1.0.0 - Bindings to Lua, an embeddable scripting language https://hackage.haskell.org/package/hslua-core-1.0.0 (tarleb)
2021-02-27 12:49:04 <BigLama> __monty__: that would be too bad. I'm looking for the same functionnalites as sessions in Python's requests
2021-02-27 12:49:53 <__monty__> BigLama: I'd wait for someone who's familiar with the library. That may well be the intent.
2021-02-27 12:50:58 × pavonia quits (~user@unaffiliated/siracusa) (Quit: Bye!)
2021-02-27 12:50:58 × emmanuel_erc quits (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com) (Read error: Connection reset by peer)
2021-02-27 12:51:22 <BigLama> __monty__: Okay, thanks. I've spend quite a few hours trying to make this work but could not figure it out
2021-02-27 12:51:32 → emmanuel_erc joins (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com)
2021-02-27 12:51:57 <ij> what I'm looking for is actually flatten :D
2021-02-27 12:52:53 → basoares joins (~basoares@2a04:ee41:4:2178:ed37:7464:5079:3088)
2021-02-27 12:54:39 <__monty__> BigLama: Are you doing all the requests with req in a single `runReq`?
2021-02-27 12:55:33 <BigLama> __monty__: I've tried in a single runReq and in severals
2021-02-27 12:57:04 <__monty__> And you're sure you don't need to pass an authentication token you get from the login in the headers of other requests?
2021-02-27 12:57:08 × forgottenone quits (~forgotten@176.42.27.254) (Read error: Connection reset by peer)
2021-02-27 12:57:29 → elfets joins (~elfets@ip-37-201-23-96.hsi13.unitymediagroup.de)
2021-02-27 12:57:57 × emmanuel_erc quits (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com) (Read error: Connection reset by peer)
2021-02-27 12:58:11 → forgottenone joins (~forgotten@176.42.27.254)
2021-02-27 12:58:54 → emmanuel_erc joins (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com)
2021-02-27 12:59:31 <BigLama> __monty__: I don't know. In python, I log in first using a POST request and using their sessions mecanims, there is no need to pass anything else later on
2021-02-27 12:59:46 → darjeeling_ joins (~darjeelin@122.245.218.150)
2021-02-27 12:59:54 <tomsmeding> presumably it stores a cookie or something
2021-02-27 13:00:10 × GZJ0X__ quits (~gzj@unaffiliated/gzj) (Remote host closed the connection)
2021-02-27 13:00:31 → GZJ0X__ joins (~gzj@unaffiliated/gzj)
2021-02-27 13:00:59 <BigLama> tomsmeding: Req does not allow for cookies management at my beginner level :/
2021-02-27 13:01:02 <BigLama> https://paste.tomsmeding.com/DBMIZz02
2021-02-27 13:01:03 <tomsmeding> web services don't generally require you to actually keep one tcp connection open when sending multiple requests for one account, because many http applications don't support that for various reasons
2021-02-27 13:01:40 <tomsmeding> "Support for cookies is quite minimalistic at the moment." - oh
2021-02-27 13:01:45 <BigLama> Here's my code for reference. The first GET request is a hack to get some attribute. The second request should be enough to stay logged Inoperable
2021-02-27 13:02:02 <BigLama> logged in*
2021-02-27 13:02:12 <BigLama> Back to Python I think  :/
2021-02-27 13:02:46 <tomsmeding> let me have a look
2021-02-27 13:04:21 <tomsmeding> oh I was looking at the wrong library lol
2021-02-27 13:04:40 × emmanuel_erc quits (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com) (Read error: Connection reset by peer)
2021-02-27 13:05:06 <BigLama> tomsmeding: It's this one https://hackage.haskell.org/package/req. Thanks !
2021-02-27 13:05:16 → mputz joins (~Thunderbi@dslb-088-064-063-125.088.064.pools.vodafone-ip.de)
2021-02-27 13:05:31 → emmanuel_erc joins (~user@2603-7000-9600-01c9-c589-d024-9ed2-1840.res6.spectrum.com)
2021-02-27 13:06:05 <ij> ah, it's actually the kronecker product I'm looking for!\
2021-02-27 13:06:31 <tomsmeding> ij: you sure it's not traverse?
2021-02-27 13:06:36 <ij> tomsmeding, haha
2021-02-27 13:06:39 <ij> it's always traverse
2021-02-27 13:06:46 <tomsmeding> it's always traverse
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