rails/rails

Ruby on Rails

梁先森

@LiangXianSen

At the beginning, I thought, if kafka_consume occurred error, let the main process rails server exit, maybe I could find another way.

thank you, I will try rake task.

Daniel Bretoi

@danielb2

I made an endpoint on a controller, and I'm jsut doing curl -X POST http://localhost/endpoint and I'm getting the error: ActionController::InvalidAuthenticityToken

I tried past recommendations of adding skip_before_filter :verify_authenticity_token but this doesn't appear to work. ANy ideas?

oh it got renamed to skip_before_action

Daniel Bretoi

@danielb2

I'm running dev mode, but all I see is "We're sorry, but something went wrong." when i get a 500. How can I fix this?

Daniel Bretoi

@danielb2

is there a better avenue for support ? Seems this is a bit dead

Emílio S. do Carmo

@emilio2hd

Hi everybody.
I was playing with Arel and notice the following scenario.
Writing this Arel::Table.new('db_name.schema_name.table_name').project(Arel.star).to_sql,
the output goes like :SELECT * FROM \"db_name\".\"schema_name\"
Is there any particular reason for arel chopping table_name?

kanroyalhigh

@kanroyalhigh

@emilio2hd not sure of this answer but i think it's only up to 2 levels of concatenating them

have you tried executing the sql to your backend db server?

drop the db_name and just the schema_name.table_name

or just the table_name

josephpalmezano

@josephpalmezano

How can i test a Serializer with rspec?

josephpalmezano

@josephpalmezano

should i?

Kaia Leahy

@tenebrousedge

are you testing anything other than library functionality?

josephpalmezano

@josephpalmezano

are you testing anything other than library functionality?

i just wanna know if Serializers should be unit tested

Kaia Leahy

@tenebrousedge

It's a general rule of thumb to only write unit tests when you are testing something that is not otherwise covered by tests for the library you're using. If you are simply enumerating which properties get serialized, and not performing any other transformation in said serializer, then don't bother writing tests

if your serializer is more complex, write tests to ensure that its behavior is correct

josephpalmezano

@josephpalmezano

It's a general rule of thumb to only write unit tests when you are testing something that is not otherwise covered by tests for the library you're using. If you are simply enumerating which properties get serialized, and not performing any other transformation in said serializer, then don't bother writing tests

go it! thanks!

Seif Eddine Slimene

@SeifESlimene

Hello anyone who knows how to debug the rails app? (either with VScode or JetBrains product like Rubymine)

Manu

@mtancoigne:matrix.org

[m]

@SeifESlimene: what do you mean "debug" ? My first shot would be to use byebug to stop execution and hand you a CLI in current context.

Seif Eddine Slimene

@SeifESlimene

Hello @mtancoigne:matrix.org , Thank you! but how I can do that exactly?

Manu

@mtancoigne:matrix.org

[m]

Here is the repo. It's included by default in Rails apps, you only have to add a byebug statement somewhere in your code and when the statement is reached you get the hand on the process.

Seif Eddine Slimene

@SeifESlimene

@mtancoigne:matrix.org Thanks! Can I add byebug inside a gem file?, I have code in a specific gem that I want to debug!

Manu

@mtancoigne:matrix.org

[m]

for sure, you can use it in any gem/ruby file, don't forget to require it if it's not auto-loaded.

Seif Eddine Slimene

@SeifESlimene

@mtancoigne:matrix.org Thanks but I can't show the content of variable how can I do this?

I did byebug list= self

Because I want to show the value of "self"

Manu

@mtancoigne:matrix.org

[m]

once the process stopped, just type in the variable name in the console. There are some reserved names tho (c, n, just type h to display the byebug help).

list is reserved by byebug ;)

Seif Eddine Slimene

@SeifESlimene

Can I send a screenshot here?

lukasbash

@lukasbash

Hi guys! I have a small question about update hooks. I have the use case that model A references several other models B, C and so on. It goes from 1:1, via 1:n up to n:m cardinality. Now, I would like to have a callback that I implement in model A which tells me that an attribute in e.g. model B changed. I would prefer to implement those hooks in the model A to keep everything related to this in one place where it is maintainable. Is there any option to do this with rails-native callbacks? I only found solutions for adding and removing entities inside a relation but not if one of the existing ones changes. May you help me out? Thank you!

vapalape

@vapalape

hi all, have problem to have access to my env variables from react (rails 6) any pointers documentations ?. Tried dotenv.js / with a require('dotenv').config() in my config/webpacker/development file. But does not work

Seif Eddine Slimene

@SeifESlimene

Hello, I'm using Rails / SPRockets,

For This File (application.js)

// = require libs/jquery-retina
// = require libs/jquery.popupoverlay
// = require libs/messg

// = require site_logic/application
// = require serviceworker-companion

// = require i18n
// = require i18n-rules
// = require lazysizes.min

// = require i18n

This file i18n.js doesn't exist in the current directory, however it's successfuly get into application.js

toptalent130

@toptalent130

Hi Everybody...

I'd like to learn about Ruby on Rails.

Paulo Daniel Carneiro

@PauloDanielCarneiro

Nice

Star

@topStar99

Hi @PauloDanielCarneiro

Nice to meet you..

Jonathan Hill

@qizwiz

how does one require a gem not in the Gemfile? and, I have no source access to the actual rails code I"m running...

benebrice

@benebrice

This message was deleted

Hi guys! I'm trying to understand the magic of the preview mailer.
Can anybody give me a hint?
How this

url_for(controller: "mailers", action: "preview", path: "#{preview.preview_name}/#{email}")

becomes this ?

/rails/mailers/mailer_model/mailer_method

Routes are registered somehow but I cannot find how/where.

Thank you in advance! 🙂

1 reply

Andrea Schiavini

@metalelf0

hi all, I'm struggling to find a solution for an ActionDispatch::Cookies::CookieOverflow error, raised when the app is trying to store too much data inside a session via the ransack memory gem.

this exception happens in ActionDispatch land, so it's not rescuable via rescue_from, and no, changing the session store to ActiveRecord just for this is not viable

I could write some mitigation logic, trying to guess a maximum size for ransack memory, but it would largely depend on what else is in the session and I'd prefer to write code to handle the exception (clearing session data and redirecting the user back to the root)

has anybody got any hint about what to do in such a situation?

Seif-apprentus

@Seif-apprentus

Hello, I'm struggling to integrate the lighthouse with Rails.

There is no index.html in static assets files.

almokhtar bekkour

@almokhtarbr

create one @Seif-apprentus

Amisha Shukla

@Amisha-100

What can be the possible reasons of data not adding up in the table other than validations?

Patrick Collins

@patrick99e99

Hi everyone... webpacker's v6 upgrade guide says: "Remove overlapping dependencies from your package.json and rails/webpacker's package.json." ... so I removed those, and I see webpacker's package.json specifies "@babel/plugin-proposal-class-properties": "^7.14.5", ... yet when I run webpack, now I get Error: Cannot find module '@babel/plugin-proposal-class-properties'

1 reply

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