yesod Questions

2

Solved

I cannot find a way to render a link and then comma or full stop right after it, without whitespace between the link and punctuation. Here is my initial attempt: <p> You can find more infor...
Dragoman asked 25/12, 2015 at 7:23

2

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Based on my previous question I'd like to ask if there's any way to kill all user created threads in a GHCi session? The reason for this is that when a function exits in GHCi the threads that it s...
Scrunch asked 28/7, 2014 at 16:19

4

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I'm very new to Yesod and I'm having trouble building Yesod statically so I can deploy to Heroku. I have changed the default .cabal file to reflect static compilation if flag(production) cpp-opt...
Dehydrate asked 28/12, 2011 at 15:40

2

How do I dynamically generate forms with a varying number of input fields? The closest I managed is: listEditForm :: [String] -> Html -> MForm App App (FormResult Text, Widget) listEditForm...
Aholah asked 29/8, 2012 at 14:7

1

Warp has a settingsMaxTotalHeaderLength field which by default is 50*1024 : https://hackage.haskell.org/package/warp-3.3.10/docs/src/Network.Wai.Handler.Warp.Settings.html#defaultSettings I suppose...
Chalmer asked 22/7, 2020 at 13:22

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I'm trying to implement a server for a turn based game in Haskell. My choice would be to use Yesod for adminstration and meta-information (like, what games a user participates in and such). I'd li...
Lett asked 22/2, 2013 at 19:16

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How to, for example, insert a new User into a database using Yesod application's models? Or is there a better way? I am dealing with scaffolded application. Now I created App instance and dont kno...
Midwest asked 7/1, 2014 at 9:28

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I have used Network.Wai.Middleware.Cors's simpleCors, it worked properly for GET requests, but when I try to make a POST request I get the following problem OPTIONS /users Accept: text/html,appli...
Sulfapyridine asked 30/12, 2016 at 15:58

1

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Is it possible to rename the endpoints of a subsite in Yesod? For instance, instead of using the provided /login or /email/register from yesod-auth, I want to call them "/entrar" and "/cadastrar" ...
Ackley asked 7/3, 2018 at 21:53

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I know this seems a duplicate to Could not find module `Yesod', but unlike that user, ghc-pkg list does not show Yesod in its output on my computer, they didn't seem to be using stack (I am, an...
Laurinda asked 25/8, 2015 at 9:49

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Getting this issue while trying to run my Yesod application. stack build has already been run and gives no output anymore. $ stack exec -- yesod devel Executable named yesod not found on path: ["p...
Smaze asked 17/12, 2017 at 2:9

1

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I'm trying to return a ByteString from my Handler function in Yesod: getHomeR :: Handler ByteString getHomeR = return "foo" but I'm getting this error: /Users/maximiliantagher/Documents/Mercury...
Illness asked 15/12, 2017 at 18:39

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I'm trying to build a Data.HashMap structure by grouping multiple Persistent entities by their foreign key field. E.g. say I have these two entities (straight out of the Yesod book) Person name S...
Pyxidium asked 1/6, 2014 at 2:34

2

I've been trying to use a Maybe a in a route. So far I tried /u/#Maybe UserId /u/#(Maybe UserId) /u/#Maybe-UserId and /u/#MaybeUserId where type MaybeUserId = Maybe UserId But without muc...
Salonika asked 22/6, 2014 at 15:25

0

I'm currently building a personal website in Yesod 1.4.5, and at the moment I'm implementing authentication. Authenticating with a username and password was easy enough - I used Yesod.Auth.HashDB -...

2

I have some old code which exposes services on a web API which works basically on HTTP verbs. I'd like to move this project to use hypermedia controls (HATEOAS). I'm wondering if there are any libr...
Stigmatic asked 26/4, 2014 at 8:34

1

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I have a Yesod app which I am deploying to Heroku in a Docker container. The app uses Amazon SES to send emails. When running the app locally using yesod devel this works fine, but in the container...
Shows asked 20/9, 2017 at 12:59

2

I have an ajax call sending json to a route in Yesod and I want the route to parse the json and insert it directly into the database. In my model file I have createtime UTCTime default=now() wh...
Village asked 1/7, 2014 at 2:5

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When I launch my Yesod application, it generates a file named client_session_key.aes. I don't need it, because I use sessionless authentication. Can I stop Yesod generating this file?
Reclusion asked 13/4, 2017 at 15:12

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EDIT: For those with similar ailments, I found this is related to the "Extensible Records Problem", something I will personally research more into. EDIT2: I have started to solve this (weeks lat...
Bethesda asked 3/2, 2017 at 20:14

2

How do I declare to Persistent that I have a table the primary key of which is a combination of two fields? For example, assume I have a table containing first_name and last_name, then in SQL synt...
Laresa asked 3/5, 2012 at 14:13

1

I'm trying to use the cached function to prevent multiple db queries in different widgets and handlers: newtype CachedBobId key = CachedBobId { unCachedBobId :: key } deriving Typeable getBob' ...
Grodno asked 11/11, 2015 at 16:51

2

I'm trying to figure out how to write the following query using Esqueleto SELECT COUNT("person"."id") FROM "person" WHERE (("person"."admin" = 't' OR "person"."vip" = 't') // 't' as in True OR "p...
Whispering asked 3/6, 2014 at 16:52

1

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I managed to successfully write a small app using Yesod. Now I am in the phase in which I want to add better interaction to it, and I would like to do this using AngularJS. As far as I can see, th...
Lucindalucine asked 17/11, 2014 at 10:32

3

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I'm new to both Haskell and Yesod, and am trying to build a simple web application that can answer queries from an external API. I have built a parser (using Parsec), that gets me the ID of an enti...
Treadwell asked 26/12, 2011 at 22:4

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