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elmlang | general | My guess is that the color codes it uses happen to coincide with the background color in your shell.. I'm not sure what the best course of action is! | 2019-03-28T17:26:47.061000 | Huong |
elmlang | general | <@Huong> thank you for taking the time to help me! | 2019-03-28T17:28:22.061400 | Kent |
elmlang | general | <@Kent> you can try `elm repl --no-colors`, if my guess is right and this is because of the colors colliding, that should help :slightly_smiling_face: | 2019-03-28T17:34:23.062200 | Huong |
elmlang | general | :bow: thank you sir! | 2019-03-28T17:35:43.062600 | Kent |
elmlang | general | :fireworks: | 2019-03-28T17:35:52.062900 | Kent |
elmlang | general | If my Browser.element doesnt use any flags, what type should I put for flags? | 2019-03-28T18:30:06.063500 | Broderick |
elmlang | general | `()` | 2019-03-28T18:31:03.063900 | Chae |
elmlang | general | <@Chae> Ahh, forgot about that unit.. thanks! | 2019-03-28T18:31:32.064500 | Broderick |
elmlang | general | If I subscribe to onAnimatinoFrame, but my app is slow, what happens to the missing frame messages? Is there a backlog of frames? | 2019-03-28T20:00:54.066400 | Lindsey |
elmlang | general | Recently, in learning elm, I have encountered a difficult problem in how to change the URL of the page to achieve the goal of reloading. Can anyone recommend a learning route? | 2019-03-29T03:33:54.067000 | Carrie |
elmlang | general | I would start with <https://package.elm-lang.org/packages/elm/browser/latest/Browser#application> and then read the linked examples. Also make sure to read <https://guide.elm-lang.org/webapps/navigation.html> | 2019-03-29T03:43:48.067100 | Jin |
elmlang | general | there's no backlog | 2019-03-29T03:53:50.067300 | Nana |
elmlang | general | if your app is slow, the framerate will be lower, so fewer onAnimationFrame events will be dispatched | 2019-03-29T03:54:53.067500 | Nana |
elmlang | general | thank you very much | 2019-03-29T03:57:32.067700 | Carrie |
elmlang | general | I read this code "( Model key url, Cmd.none )" .It means how to operate the Model? | 2019-03-29T04:59:38.068000 | Carrie |
elmlang | general | `(Model, Cmd Msg)` is usually the return type of the `init` and `update` function in an Elm application. The `Cmd Msg` is an opaque thing to tell the Elm runtime about side-effects it should do. A `Msg` value will be passed to the `update` function to return a new `Model`. | 2019-03-29T05:02:58.068200 | Jin |
elmlang | general | I've noticed that multiline strings cause any compiler error messages in the same file to appear on the wrong line. Is this a known bug? | 2019-03-29T05:45:30.069900 | Jae |
elmlang | general | Maybe this one <https://github.com/elm/compiler/issues/1900> | 2019-03-29T06:04:35.070100 | Lea |
elmlang | general | Yep, that's the bug. Thanks | 2019-03-29T06:05:29.070300 | Jae |
elmlang | general | What do you good people use/recommend for backend server + DB? | 2019-03-29T10:54:04.072200 | Jana |
elmlang | general | Flask (Python), with mypy if you want static type checking, and PostgreSQL | 2019-03-29T11:19:55.075100 | Leonardo |
elmlang | general | <@Jana> depends on your needs / previous experience really. Anything should be fine from Ruby to Python to Haskell to Java to Go to Rust to Elixir. Obviously there's a certain familiarity if it's Haskell... :slightly_smiling_face: | 2019-03-29T11:19:57.075300 | Corinne |
elmlang | general | PureScript :smile: | 2019-03-29T11:38:12.076600 | Niesha |
elmlang | general | What are you building? | 2019-03-29T11:46:40.076800 | Shenita |
elmlang | general | I’m starting a new app “Logger”. So far I’ve been using Elixir/Phoenix, and am quite happy with that combo (though I miss the types). Curious if there is something else that would be better. | 2019-03-29T11:48:50.077000 | Jana |
elmlang | general | Yeah, I’m in a similar boat of wanting something functional for server but with static types (so not elixir) and better tooling than haskell | 2019-03-29T11:56:51.077300 | Shenita |
elmlang | general | @sam literally the reason we're using PureScript. | 2019-03-29T11:57:22.077500 | Niesha |
elmlang | general | I think maybe ocaml could fit that gap? But I’ve never tried it | 2019-03-29T11:57:24.077700 | Shenita |
elmlang | general | ah okay, how is the interop with node packages though? | 2019-03-29T11:58:22.077900 | Shenita |
elmlang | general | We're using an express server | 2019-03-29T11:58:45.078100 | Niesha |
elmlang | general | Works, but you gotta write the FFI yourself. | 2019-03-29T11:58:55.078300 | Niesha |
elmlang | general | Using flow with js before you lose all type safety as soon as you pull in an untyped module | 2019-03-29T11:59:02.078500 | Shenita |
elmlang | general | PureScript doesn't allow for untyped code. Gotta type all FFI | 2019-03-29T11:59:18.078700 | Niesha |
elmlang | general | ah okay, that’s probably better than having `any` everywhere | 2019-03-29T12:00:05.078900 | Shenita |
elmlang | general | might give it a try next time I get to make that choice :smile: | 2019-03-29T12:00:30.079100 | Shenita |
elmlang | general | Rust has Elm-like typing. | 2019-03-29T12:06:32.083100 | Dede |
elmlang | general | I am using Rust and Postgresql. | 2019-03-29T12:06:36.083400 | Dede |
elmlang | general | Hey guys, I'm brand new to using Elm and I'm currently trying to make a game. What I'm trying to accomplish right now is to have a specific element removed from a list, so I experimented with different list functions in the REPL. Ill do something like , x = [1,2,3,4,5]
x.filter isEven
and then get an error " you gave ... | 2019-03-29T12:06:56.083800 | Nikia |
elmlang | general | Rust has several good webserver options. | 2019-03-29T12:07:06.084000 | Dede |
elmlang | general | You probably want
`List.filter isEven x` | 2019-03-29T12:07:46.084200 | Dede |
elmlang | general | In some contexts it might be clearer to write
```
x |> List.filter isEven
|> nextTransformation
|> nextTransformation
``` | 2019-03-29T12:08:16.084400 | Dede |
elmlang | general | Core point, though, is that Elm doesn't attach operations to data. You have to explicitly call functions. | 2019-03-29T12:08:48.084700 | Dede |
elmlang | general | So `List.filter` calls the `filter` function defined in the `List` module. | 2019-03-29T12:09:00.085100 | Dede |
elmlang | general | <@Nikia> So, you're trying to chain stuff like `myValue.method args` - but in Elm it happens through function application: `fn args myValue` etc. | 2019-03-29T12:09:26.085800 | Florencia |
elmlang | general | ahhh I see, that helps a lot! | 2019-03-29T12:09:58.086300 | Nikia |
elmlang | general | even if `myValue` is a List, you can't use `List.filter` like `myValue.filter foo` | 2019-03-29T12:09:59.086500 | Florencia |
elmlang | general | Thanks everyone! Makes sense now | 2019-03-29T12:10:10.086800 | Nikia |
elmlang | general | Hello! I seem to remember a discussion about a tool that can extract tests from doc comments, similar to how it works in Elixir. Is there a tool like this or did I dream it up? | 2019-03-29T13:01:04.088600 | Dorsey |
elmlang | general | <@Dorsey> Probably this :slightly_smiling_face: <https://github.com/stoeffel/elm-verify-examples> | 2019-03-29T13:01:28.088800 | Florencia |
elmlang | general | Nice. Thanks <@Florencia>! Do you have any experience with it? | 2019-03-29T13:03:03.089400 | Dorsey |
elmlang | general | Is it good? | 2019-03-29T13:03:08.089600 | Dorsey |
elmlang | general | Yeah, it's great :slightly_smiling_face: | 2019-03-29T13:03:24.089900 | Florencia |
elmlang | general | I use it to make sure the examples in documentation of my packages are actually correct. Note that this isn't meant to replace regular tests, but rather as a verification of correctness of examples :slightly_smiling_face: | 2019-03-29T13:04:31.091100 | Huong |
elmlang | general | Yeah, I know. But it looks like a great complementary. | 2019-03-29T13:05:03.091900 | Dorsey |
elmlang | general | Oh absolutely. It's just easy to forgo writing actual tests, and before you know it, you're writing examples that test edge-case behaviour :smile: | 2019-03-29T13:06:02.093000 | Huong |
elmlang | general | I have to remind myself that the examples are just that: examples. I can verify their correctness. To check that they code they demonstrate is correct, I (should) write actual tests | 2019-03-29T13:06:52.094600 | Huong |
elmlang | general | I suppose for edge-cases fuze tests are great. I had a lot of fun writing them lately! | 2019-03-29T13:07:21.095500 | Dorsey |
elmlang | general | Oh yeah, always fun :smile: | 2019-03-29T13:07:44.096200 | Huong |
elmlang | general | i just found this out. is it corect to consider this should produce a compile error?
```
import E.P.B as SPrice exposing (BPrice)
import E.P.S as SPrice exposing (SPrice)
```
note i have `SPrice` twice and i have no compilation error. Can this be considered a bug? Since is a mistake. the correct version should be:
```... | 2019-03-29T13:09:10.097600 | Yang |
elmlang | general | I think it's intended and I like it a lot. | 2019-03-29T13:09:36.097900 | Dorsey |
elmlang | general | It's not a problem because the exposed values don't collide | 2019-03-29T13:09:46.098500 | Florencia |
elmlang | general | if they did, Elm compiler would tell you | 2019-03-29T13:09:53.099000 | Florencia |
elmlang | general | (instead of just picking one, which would be :scream: ) | 2019-03-29T13:10:07.099500 | Florencia |
elmlang | general | What I often do is ```
import Maybe
import Maybe.Extra as Maybe
Maybe.or a b
``` | 2019-03-29T13:10:22.099800 | Dorsey |
elmlang | general | yup! | 2019-03-29T13:11:19.100500 | Florencia |
elmlang | general | I suppose as soon as you try to use `BPrice.funcFromBPrice` elm will throw an error | 2019-03-29T13:11:23.100700 | Shenita |
elmlang | general | (sidenote: it only yells when you try to use a colliding value) | 2019-03-29T13:11:27.100900 | Huong |
elmlang | general | possibly a confusing error but there will be one :slightly_smiling_face: | 2019-03-29T13:11:44.101300 | Shenita |
elmlang | general | oh, the error should be pretty good | 2019-03-29T13:12:36.101800 | Huong |
elmlang | general | ```This usage of `H.class` is ambiguous.
36| [ button [ H.class "hi", onClick Increment ] [ text "+1" ]
^^^^^^^
It could refer to a variable from either of these imports:
import Html.Attributes as H
import Svg.Attributes as H
``` that sort of stuff | 2019-03-29T13:12:48.102300 | Huong |
elmlang | general | <@Dorsey> thats interesting. didnt think to use maybe extra. Maybe i should. would be wired if `Maybe.iShould` is an actual function :smile: | 2019-03-29T13:13:23.102900 | Yang |
elmlang | general | Ha ha :laughing: | 2019-03-29T13:13:59.103600 | Dorsey |
elmlang | general | It's in `Maybe.Extra.Extra`. | 2019-03-29T13:14:19.103900 | Dorsey |
elmlang | general | Hi everyone, I have this function here which is returning the error:
The (::) operator can only add elements onto lists.
32| (x::xs) -> if x == fruit then xs else x :: removeOne xs
^^^^^^^^^^^^
This `removeOne` call produces:... | 2019-03-29T15:55:24.106600 | Nikia |
elmlang | general | `removeOne` expects two arguments but you're only giving it one in the recursive call | 2019-03-29T15:58:21.107400 | Lashawnda |
elmlang | general | try `if x == fruit then xs else x :: removeOne fruit xs` | 2019-03-29T15:58:56.108100 | Lashawnda |
elmlang | general | Thanks a lot Luke! | 2019-03-29T16:24:19.108900 | Nikia |
elmlang | general | You’re welcome. Whenever I see `_ needs a _ on the right/left` errors I always look for an arrow in what the call produces. Usually the compiler can tell when you forgot an argument to a function but there are a couple cases like this one where it can’t | 2019-03-29T16:43:26.111200 | Lashawnda |
elmlang | general | Hi all, I have this list:
```[ A, B, X, X, A, D, D, D, A, B, X, A, C, C, A, A, B, B, B, B, B ]```
and I want to transform it into:
```[ [A, B], [X], [X], [A, D, D, D], [A, B], [X], [A, C, C], [A], [A, B, B, B, B, B] ]```
Is the recursive function with two arguments (like: `fn : List a -> List (List a) -> List (Li... | 2019-03-29T17:16:04.114100 | Izola |
elmlang | general | Have a look at groupWhile from the list extra package | 2019-03-29T17:22:30.114600 | Kris |
elmlang | general | Thanks, I'll check it out | 2019-03-29T17:24:46.114800 | Izola |
elmlang | general | Thanks all for your suggestions! | 2019-03-29T18:53:04.115200 | Jana |
elmlang | general | hey everyone! follow elm-conf on instagram for extremely good posts related to this year's upcoming elm-conf <https://www.instagram.com/stories/elmconf/> | 2019-03-29T21:34:23.116000 | Lashawnda |
elmlang | general | Hey! I was just about to start off with my first Elm projects that uses WebSockets. I just wanted to know whether `elm-lang/websocket` would work with `0.19`. | 2019-03-29T22:31:02.117400 | Florentina |
elmlang | general | <@Florentina> it doesn't work with 0.19. you need to use ports instead | 2019-03-29T22:32:54.118200 | Earlean |
elmlang | general | <https://package.elm-lang.org/packages/billstclair/elm-websocket-client/latest/> is a package that makes using ports for websockets a bit easier. | 2019-03-29T22:33:26.119100 | Earlean |
elmlang | general | I see. Thanks for the quick reply! :slightly_smiling_face: | 2019-03-29T22:33:50.119500 | Florentina |
elmlang | general | If you want something that's more like Elm with better tooling than haskell why not try F#? You can do class-oriented but you don't need to. Have a look at what SAFE does server side (giraffe+saturn+Elmish) <https://safe-stack.github.io/docs/intro/> | 2019-03-30T05:08:33.119600 | Denae |
elmlang | general | + postgres obviously ^.^ | 2019-03-30T05:09:22.120000 | Denae |
elmlang | general | I am starting an iOS/Android project that accesses a local SQLite database and I would like to use Elm. Is this feasible? What would be the best tool to use with it (Capacitor/Cordova/React Native)? | 2019-03-30T06:24:01.127300 | Mireya |
elmlang | general | <@Hsiu> may have something to say about it :slightly_smiling_face: | 2019-03-30T06:24:46.127600 | Lynne |
elmlang | general | <@Mireya> I use plain xcode and android studio.. just open a fullscreen webview and does the rest in elm.. native code can easily be called with ports.. | 2019-03-30T06:36:26.129600 | Monnie |
elmlang | general | I’m not sure I would call it “easy”. Are you saying I can go directly from Elm to Swift/Java and back with ports? Is there a tutorial on that? | 2019-03-30T07:23:45.132400 | Mireya |
elmlang | general | You need an incoming/outgoing port set up in Elm, native ios/android can send messages to elm directly, but you will need to add a small function in javascript to forward messages from elm to native.... after that you just add messages on swift and elm side when you need more functionallity.. Searching for javascript... | 2019-03-30T07:29:06.132600 | Monnie |
elmlang | general | Using ports to native swift/java code is actually pretty similar as interop between elm and javascript. | 2019-03-30T07:39:13.132900 | Monnie |
elmlang | general | My current application is augmented reality.. So I show the camera nativly fullscreen and load a transparent webview on top of the video.. the rest of the userinterface/overlay is done in elm. | 2019-03-30T07:41:08.133100 | Monnie |
elmlang | general | Hey everyone, I am currently trying to create an app where a certain key in the dictionary has an updated value upon clicking. I am almost sure that I have more than a couple problems with my current code. But right now I am getting an error with my init function. This is the error : I was not expecting this equals sig... | 2019-03-30T15:25:36.134000 | Nikia |
elmlang | general | First, your `Dict` is missing the types it uses for key and value. After that is done, the other issues can be solved, I am happy to assist if necessary. :slightly_smiling_face: | 2019-03-30T15:30:08.134700 | Timika |
elmlang | general | `type alias Model = { fruits : Dict }` From what I can guess from the code is, that you want to store fruit quantities? Sadly, you cannot use custom types for the key, as your keys have to be `comparable`, so we need to find a different solution there. If the amount of different fruits is not too large and does not cha... | 2019-03-30T15:31:24.135400 | Timika |
elmlang | general | yes exactly, I changed it to fruits : Dict Fruits Int
However, I'm still getting the same error. | 2019-03-30T15:32:31.136100 | Nikia |
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