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elmlang
general
<@Emilee> maybe this talk could be useful: <https://www.youtube.com/watch?v=28OdemxhfbU>
2019-02-25T07:51:53.223500
Maida
elmlang
general
yep, i know the talk, but it has more to do with relations, not composable types i think. of course those compositions could be modeled as relations, but that's basically what i would do for an ecs^^
2019-02-25T07:53:01.224600
Emilee
elmlang
general
i feel like we have a backend that's radically opposed to strong typing^^' (everything's rdf)
2019-02-25T08:41:12.225700
Emilee
elmlang
general
How’s your Norwegian skills? Not directly elm related but this talk discusses using a flat “triple” format over the wire and how to work with it. Might provide some inspiration. <https://vimeo.com/289851906> (if you don’t understand anything you might be able to get some meaning from the slides around 15 mins until 22 mins)
2019-02-25T09:04:27.229400
Iva
elmlang
general
ummm.... not^^ but i'll look into it, thanks :slightly_smiling_face:
2019-02-25T09:05:02.230000
Emilee
elmlang
general
our wire format is rdf, and our frontend so far has been a mashup of jsonld and pseudodefined data, so i guess the topic applies^^
2019-02-25T09:06:03.230200
Emilee
elmlang
general
Nothing to add but its cool to hear sem-web things being used in the “real world”
2019-02-25T10:42:10.231100
Danika
elmlang
general
well... "real world", we're an industry-oriented research studio
2019-02-25T11:34:48.231700
Emilee
elmlang
general
<http://matchat.org|matchat.org> &lt;&lt; our current proof of concept application, written in angular 1.x and redux. I'm working on bringing it to elm, which is proving to be quite difficult because of the interplay with angular, and the untyped nature^^
2019-02-25T11:35:55.233000
Emilee
elmlang
general
awesome, thanks for the link :slightly_smiling_face:
2019-02-25T11:36:33.233300
Danika
elmlang
general
are you doing any sparql things?
2019-02-25T11:36:39.233700
Danika
elmlang
general
our backend is. we have some small parts in the frontend, but the js implementations seem quite slow, so our current app state is jsonld which is treated as json, and some other javascript derived data
2019-02-25T11:37:29.234700
Emilee
elmlang
general
but for our application to run entirely in elm i *will* have to create at least an rdf library, maybe with querying capabilities
2019-02-25T11:38:10.235400
Emilee
elmlang
general
I TA a semantic web class for my supervisor, I always struggle when students ask my why they should really care
2019-02-25T11:39:28.236000
Danika
elmlang
general
it's a hard question to answer, because most of the benefits can feel kind of esoteric
2019-02-25T11:40:18.236400
Emilee
elmlang
general
(maybe we should move that conversation to <#C0CJ671HU|random> ^^)
2019-02-25T11:40:33.236900
Emilee
elmlang
general
#semanticweb the people demand it!
2019-02-25T11:41:04.237300
Danika
elmlang
general
Looking at `elm-spa-example` I see a lot of type variables being used (compared to what I'm used to in Haskell). Is there a convention or rationale behind this?
2019-02-25T11:52:33.239100
Karan
elmlang
general
I think a lot of haskell code goes out of its way to be incredibly terse or “clever”
2019-02-25T11:53:33.239500
Danika
elmlang
general
Maybe, but why would I not constrain types as much as possible?
2019-02-25T11:59:28.240300
Karan
elmlang
general
can you give an example on elmspa?
2019-02-25T12:00:59.240700
Danika
elmlang
general
Ah you’re right, I didn’t expect it to behave like that. If you don’t mind getting each element individually you could Cmd.batch a list of them <https://ellie-app.com/4PTCnfvTMRda1>
2019-02-25T12:13:52.240900
Lea
elmlang
general
<@Danika> For example here: <https://github.com/rtfeldman/elm-spa-example/blob/c8c3201ec0488f17c1245e1fd2293ba5bc0748d5/src/Api.elm#L138>
2019-02-25T12:15:32.241800
Karan
elmlang
general
I can see why it is like that, but I don’t know enough about Elm to explain to you why that makes sense
2019-02-25T12:18:04.242300
Danika
elmlang
general
I think giving `Model` and `Msg` as concrete types would create a circular dependency between Api and Main
2019-02-25T12:18:27.242800
Nana
elmlang
general
if you look where that is actually used: ```main : Program Value Model Msg main = Api.application Viewer.decoder { init = init , onUrlChange = ChangedUrl , onUrlRequest = ClickedLink , subscriptions = subscriptions , update = update , view = view }``` You can see the unbound `model` and `msg` types become concrete
2019-02-25T12:18:45.243300
Danika
elmlang
general
it could ofc. be solved by moving them from Main to their own files, but I guess he didn't want to do that
2019-02-25T12:19:11.243400
Nana
elmlang
general
I saw that. I was just wondering, because `Api.application` is only called once (i.e. the concrete types are known).
2019-02-25T12:22:01.245000
Karan
elmlang
general
is it possible to expose a type alias without exposing the type it's an alias of?
2019-02-25T13:41:52.245700
Saran
elmlang
general
yes
2019-02-25T13:45:21.246100
Virgie
elmlang
general
often happens when a module exposes an alias for a type defined in an `*.Internal` module
2019-02-25T13:45:52.246500
Virgie
elmlang
general
Hi, I'm getting this exception when running tests ```The dependencies in your elm.json are not compatible. Did you change them by hand? Try to change it back! It is much better to add dependencies with elm install or the dependency management tool in elm reactor.``` It happened after I installed some new packages (though not by hand).
2019-02-25T14:10:05.247400
Jae
elmlang
general
I sort of remember having this error before. Someone was nice and solved it for me but I've since forgotten the solution and the answer is probably past the 10k message limit
2019-02-25T14:10:41.247500
Jae
elmlang
general
Try removing your `elm-stuff` folder to start with
2019-02-25T14:14:31.247700
Lynne
elmlang
general
You don't have separate `elm.json` in your `tests/` directory, do you?
2019-02-25T14:14:54.247900
Lynne
elmlang
general
Sure. The point is to improve fullscreen, so you don’t have to work around the nice new API to get a working real world application <@Huong>
2019-02-25T14:20:33.248100
Kathlyn
elmlang
general
Oh, not disagreeing, merely pointing out options to unblock yourself, and sharing my experience with a workaround
2019-02-25T14:22:21.248400
Huong
elmlang
general
No, just one elm.json
2019-02-25T14:24:54.248600
Jae
elmlang
general
Deleting elm-stuff didn't change the error
2019-02-25T14:25:45.248900
Jae
elmlang
general
Both good and bad
2019-02-25T14:26:08.249100
Lynne
elmlang
general
Try this tool: <https://www.markuslaire.com/github/elm-dependencies-analyzer/>
2019-02-25T14:26:22.249300
Lynne
elmlang
general
It will show if there are conflicting dependencies
2019-02-25T14:26:34.249500
Lynne
elmlang
general
worst case scenario is a new elm.json and install each package with elm install
2019-02-25T14:27:17.249700
Lindsey
elmlang
general
If it does not help, then the only (tedious but bullet-proof way) is to remove all deps from `elm.json` and start adding them one-by-one with `elm install`
2019-02-25T14:27:20.249900
Lynne
elmlang
general
Yep
2019-02-25T14:27:34.250100
Lynne
elmlang
general
`Selected versions have no conflicts.`
2019-02-25T14:28:46.250400
Jae
elmlang
general
Well...
2019-02-25T14:29:02.250600
Lynne
elmlang
general
I guess it's the tedious way then!
2019-02-25T14:29:04.250800
Jae
elmlang
general
I hope you don't have that many deps :slightly_smiling_face:
2019-02-25T14:29:09.251000
Lynne
elmlang
general
I have a few but I know which commit caused the issue so I only need to look at the packages I installed there
2019-02-25T14:29:46.251200
Jae
elmlang
general
Seems like it would be possible to cook up a shell script to do it semi automatically... maybe one rainy afternoon.
2019-02-25T14:29:47.251400
Lindsey
elmlang
general
Don't forget to clear indirect deps also
2019-02-25T14:29:50.251600
Lynne
elmlang
general
Alright, thanks. I'm going to put it off for now but I'll need to sort that out eventually
2019-02-25T14:31:30.251800
Jae
elmlang
general
Once I've figured out which package causes the tests to no longer work, do I just have to never use that package?
2019-02-25T14:47:54.252100
Jae
elmlang
general
Hopefully, that's just a version conflict
2019-02-25T14:49:10.252300
Lynne
elmlang
general
How do I figure out what the version conflict is if the dependency analyzer says there are no conflicts?
2019-02-25T14:49:45.252500
Jae
elmlang
general
If not there are few options: upgrade/degrade other packages or skip using that one, at least until it is upgraded (not necessarily never)
2019-02-25T14:49:53.252700
Lynne
elmlang
general
Well, I am curious why dependency analyzer says there are no conflicts, but honestly it is not the first time it says this but in fact there is a conflict
2019-02-25T14:51:02.252900
Lynne
elmlang
general
So hopefully `elm install` will just resolve it for you
2019-02-25T14:51:26.253100
Lynne
elmlang
general
I can't say that dependency analyzer is 100% reliable unfortunately and it is not official tool
2019-02-25T14:52:11.253300
Lynne
elmlang
general
How do I tell `elm install` which version of a package to use?
2019-02-25T14:53:13.253500
Jae
elmlang
general
There is no way to do it, it always installs latest version which is compatible with your other dependencies
2019-02-25T14:58:25.253800
Lynne
elmlang
general
Well, I tried to two possible versions of the test incompatible package and neither worked so I guess I can't use that package anymore. At least it's not really important
2019-02-25T14:59:17.254100
Jae
elmlang
general
You can however try upgrading or degrading a package by manually changing version in `elm.json`
2019-02-25T14:59:20.254300
Lynne
elmlang
general
Yeah, that may be true
2019-02-25T14:59:34.254500
Lynne
elmlang
general
What was the package if I may ask?
2019-02-25T14:59:40.254700
Lynne
elmlang
general
`noahzgordon/elm-color-extra`
2019-02-25T14:59:54.254900
Jae
elmlang
general
I don't see anything criminal with it but if removing it helps you resolve your issue, that's great
2019-02-25T15:01:25.255100
Lynne
elmlang
general
What version of `elm-explorations/test` are you using?
2019-02-25T15:01:59.255300
Lynne
elmlang
general
1.2.0
2019-02-25T15:02:21.255500
Jae
elmlang
general
It must be something not related to versions, may be some module names are clashing?
2019-02-25T15:05:53.255700
Lynne
elmlang
general
Could not find proof for it though
2019-02-25T15:06:02.255900
Lynne
elmlang
general
Installing `elm-color-extra` installs `elm/regex` and `fredcy/elm-parseint` so it might be something wrong with those instead
2019-02-25T15:07:55.256100
Jae
elmlang
general
Yeah
2019-02-25T15:18:29.256300
Lynne
elmlang
general
I tried creating a new project with elm init and then installing elm-color-extra. I still got the same error after trying to run tests
2019-02-25T15:27:54.256500
Jae
elmlang
general
So it may be an answer
2019-02-25T16:05:48.257100
Lynne
elmlang
general
May or may not be relevant: <https://github.com/rtfeldman/node-test-runner/issues/277>
2019-02-25T16:13:34.257400
Janiece
elmlang
general
Hi folks, I’m implementing a debounce search feature, and encounter a problem that if a previous search response is slow it may override a current search result. Any good ideas to handle this? Thanks.
2019-02-25T21:11:30.259800
Raymonde
elmlang
general
There are two packages to make the debouncing. I personally haven’t used them but FYI. <https://package.elm-lang.org/packages/Gizra/elm-debouncer/latest/> <https://package.elm-lang.org/packages/jinjor/elm-debounce/latest/>
2019-02-25T21:33:52.259900
Noelle
elmlang
general
<@Noelle> The debounce functionality is ok, the problem is the response handle logic.
2019-02-25T21:35:57.260100
Raymonde
elmlang
general
Lots of ways to add ordering to the responses, you can add a timestamp of the request time and drop responses for earlier requests, or have the response include the value of the request and check it still makes sense
2019-02-25T21:42:22.260500
Earlean
elmlang
general
Hello, am working with websockets (0.18). In what cases is the web socket connection with the server closed or restarted?
2019-02-26T06:40:33.265600
Karma
elmlang
general
For example, when network connection is dropped. Also, server may decide to close connection for whatever reason.
2019-02-26T06:43:13.266400
Lynne
elmlang
general
It just can go wrong at any point in time :slightly_smiling_face:
2019-02-26T06:44:01.266900
Lynne
elmlang
general
Good to know, thanks :slightly_smiling_face: Also, does refreshing the page break the connection?
2019-02-26T06:54:18.268000
Karma
elmlang
general
Definitely
2019-02-26T07:02:56.268200
Lynne
elmlang
general
Has anybody found upgrading to the new http library a bit troublesome? :sweat_smile:
2019-02-26T08:38:33.269300
Leonore
elmlang
general
Another web socket related question: I want to send a message from the client to the server every time the connection is started. Is this possible?
2019-02-26T08:44:03.270300
Karma
elmlang
general
Yes, it was somehow harder then switching from Elm 0.18 to Elm 0.19
2019-02-26T08:47:55.270500
Jin
elmlang
general
but mostly because of dependencies
2019-02-26T08:48:53.270700
Jin
elmlang
general
I already have a Cmd action that sends the message but have been having trouble figuring out how to link it to the websocket connection opening :shrug:
2019-02-26T08:49:16.270900
Karma
elmlang
general
If I remember correctly Elm's Websocket module queues messages you send if there is no connection and sends them as soon as it is established
2019-02-26T09:17:28.271100
Lynne
elmlang
general
Ah, you want to send on restarts also
2019-02-26T09:18:48.271300
Lynne
elmlang
general
Yes. The idea is that the first message that I send it a token that the server can validate. So I need to send it every time the connection is restarted
2019-02-26T09:19:50.271500
Karma
elmlang
general
You may want using `Websocket.LowLevel` then. `Websocket` does not notify you when opening or reopening happens
2019-02-26T09:20:18.271700
Lynne
elmlang
general
I looked into that library a bit, but what confused me about it was how to make a subscription out of the functions there
2019-02-26T09:21:33.271900
Karma
elmlang
general
Though it probably means you would need to provide your own effect module
2019-02-26T09:21:49.272100
Lynne
elmlang
general
Which is hard, not documented and not supported anymore :slightly_smiling_face:
2019-02-26T09:22:01.272300
Lynne
elmlang
general
Well then, I'll try and find another solution to my problem :stuck_out_tongue:
2019-02-26T09:22:45.272500
Karma
elmlang
general
I would say send a "hello" message from server when the connection is opened if you own the backend
2019-02-26T09:22:45.272700
Lynne