Questions tagged [ruby]
Ruby is a multi-platform open-source, dynamic object-oriented interpreted language. The [ruby] tag is for questions related to the Ruby language, including its syntax and its libraries. Ruby on Rails questions should be tagged with [ruby-on-rails].
ruby
229,186
questions
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34
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Why is the data in a Rails view displaying as 0.0 or 42.0 instead of $42.00?
Question Title: Why is the data in a Rails view displaying as 0.0 or 42.0 instead of $42.00?
Summary: How can I get this field to display e.g. $42.00 instead of 0.0 or 42.0? In addition to the ...
0
votes
0
answers
16
views
Issue with Psych::DisallowedClass Exception when using reify in PaperTrail with Sinatra
I am working on a Ruby project using Sinatra version 3.0.6 and Ruby version 3.0.0. I am using the PaperTrail gem (version 15.1.0) to track changes in my models for auditing and version control ...
- 863
0
votes
0
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38
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Ruby case examples, consistently only shows one action under when [closed]
I've waded through multitudes of Ruby case questions, here and on the web. They all have one thing in common, they only show one statement following the when. Of the form,
case whatever, simple, ...
- 1
1
vote
1
answer
49
views
Ruby module is not an ancestor after prepend
I'm developing a plugin to the Rails (6.1.7) project Foreman (v3.5.1; based on the Foreman Plugin Template) and face the issue that one of my modules (DnsInterfaceExtensions) ought to be prepended to ...
- 120
0
votes
0
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37
views
How can I fix Postgres errors in Minitest?
I am using Minitest and Postgres to test my Rails website. When I added a "Like" model, I started getting Postgresql deadlock errors
Minitest::UnexpectedError: ActiveRecord::Deadlocked: PG::...
- 5
0
votes
0
answers
154
views
Can I download a old version of google chrome stable? [closed]
I use the below config file in the .ebextensions to preinstall the Google Chrome stable when deploying our Ruby application to AWS EB.
commands:
01-install:
command: rpm -q google-chrome-...
- 1,829
0
votes
0
answers
27
views
Issue with 'libgmp-10.dll' in Ruby while compaling script with Ocra
I'm having an issue while trying to create an executable with ocra in Ruby and I'm not able to fix it no matter what, even chatGPT couldn't help.
The issue is with libgmp-10.dll. The compiler works ...
- 199
0
votes
0
answers
31
views
finding the appropriate session for an IdP single logout request with Ruby SAML
I'm putting together a gem for our Rails apps to use SAML single sign-on/logout via Entra ID. I had some questions about the final bit I need to implement: ID provider initiated single logout requests....
- 523
1
vote
1
answer
92
views
How to set view context in Rails?
I’m building a gem that intercepts Rails’ default render behavior. Instead of rendering a view, it looks for a helper method that corresponds to the current controller’s action name; it then uses the ...
- 14k
0
votes
0
answers
33
views
How to remap exceptions with Grape?
In a Ruby project using Grape, I have a custom exception Api::Exceptions::InvalidValueError that subclasses Grape::Exceptions::Base. If a validation fails (which causes Grape::Exceptions::...
- 1,974
0
votes
2
answers
74
views
How can I update how ActiveRecord::Base#where interprets ranges?
It appears that ActiveRecord::Base#where partially distinguishes between ranges defined with 2 dots (0..) and ranges defined with 3 dots (0...).
E.g.
> User.where(id: ..0).to_sql
=> "SELECT ...
- 2,172
0
votes
3
answers
66
views
authentication from scartch in rails
Hi i am learning rails from the Odin project and i am creating a simple authentication without using devise . the course doesn't really give enough info to help beginners finish that project
so, Here ...
- 11
1
vote
1
answer
42
views
Rails form_with-helper: What is a :scope?
I'm currently reading the Ruby on Raily API-documentation. Specific the part about the form_with helper: https://api.rubyonrails.org/v5.1.7/classes/ActionView/Helpers/FormHelper.html#method-i-...
- 5,468
1
vote
5
answers
156
views
In Ruby, how do I find a value in an array of hashes?
I am trying to get a value in an array of hashes in Ruby. Given the following information below:
# array_of_hash_objects will look something like this:
# [
# { name: 'Ruby', is_my_favorite?: ...
- 23
0
votes
1
answer
86
views
Rails 7 error during application start - Zeitwerk-related errors
I'm upgrading my rails app from 6.1 to 7.0 and i'm running into this runtime error:
I do use the Authlogic gem, but the odd thing is i have no config/initializers file for Authlogic, and i can't find ...
- 121
0
votes
1
answer
35
views
Injecting dynamic values for a specific schema to validate against
I have the following yaml file that I would like to validate using dry-rb.
---
environment: # required
test: # should be dynamic
service_credentials: "test_credentials" # required
...
- 33.4k
1
vote
1
answer
64
views
How to automatically derive foreign key column names with polymorphic associations?
In my Ruby on Rails 7 application I have a large Account model with various has_many associations (most of them are left out for brevity here):
class Account < ApplicationRecord
has_one :...
- 10.1k
0
votes
1
answer
32
views
xapian-full-1.2.3 not able to install succesffully
Application not starting after ubutu patch upgrade.
/home/azureuser/app2/current
fatal: not a git repository (or any of the parent directories): .git
fatal: not a git repository (or any of the parent ...
-1
votes
0
answers
26
views
Implement prometheus and garafana for a ruby on rails application [closed]
I am looking for a help to implement prometheus and garafana in my rails app. I have tried using prometheus-client and yabeda-prometheus gem. I have also tried with prometheus-exporter gem but all in ...
- 177
0
votes
1
answer
98
views
Native file open dialog in Windows Ruby
As far as I understand, there are no gems which help to open native file dialogs, so I am interested in writing one, specifically for Windows
I'm stuck at the first step which is getting the CLSID for ...
- 65
0
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0
answers
75
views
Ruby (3.3.4) and Rails (7.1) - rails s Zeitwerk - uninitialized constant Utils::ScriptsUtils::Utils (NameError)
I am trying to update my ruby app from ruby 2.6.6 to ruby 3.3.4 and Rail 5.1 to Rails 7.1
I know it is not a good practice to do so, but in my case (which is a bit complicated) I felt I didn't have ...
- 19
0
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1
answer
33
views
Installing Jekyll on my M3 Macbook won't "stick"
I think I have painted myself into a corner trying to override the default Ruby install so that I can install Jekyll.
Here is a rough timeline:
I follow this tutorial to the letter and it works, my ...
- 1
0
votes
1
answer
51
views
Ruby on Rails: how to efficiently save nested attributes (recursively)?
I'm using Rails 6.1.3.2 and trying to make saving of nested attributes more efficient. The database used is MySQL.
Code basis
BoardSet.rb
class BoardSet < ApplicationRecord
has_many :boards, ...
- 927
-1
votes
1
answer
39
views
Exception: <internal:/usr/local/Cellar/ruby/3.3.4/lib/ruby/3.3.0/rubygems/core_ext/kernel_require.rb>:136:in `require'
Exception: <internal:/usr/local/Cellar/ruby/3.3.4/lib/ruby/3.3.0/rubygems/core_ext/kernel_require.rb>:136:in `require': cannot load such file -- xcodeproj (LoadError)
from <internal:/usr/...
0
votes
1
answer
63
views
How do I make sure that I only load flights on search and not initial page load
Rails baby here! trying to work it out with Rails 7. I have a small toy app here that tries to search for flights then have users book a flight. I have managed to string together the app to a point of ...
2
votes
2
answers
69
views
How can I get commands in Rails Migration file using regex?
I'm trying to get commands from a Rails migration file as an array based on a specific migration command, using regex. My code works well on most cases, but when there is a command with multiline code,...
- 129
1
vote
1
answer
55
views
Rails: Form that sets up default values for an object?
Say I have an object that has some attributes with default values. I set up the default values for these attributes at a model level like so...
after_initialize :set_defaults
def set_defaults
...
- 23
1
vote
0
answers
29
views
Trouble Configuring SAML Authentication in Rails with Devise: Signature Verification Failure
I am currently integrating SAML authentication into a Ruby on Rails application using the Devise SAML Authenticatable gem, and I've encountered a significant challenge regarding the signature ...
0
votes
2
answers
57
views
How to configure Rubocop to skip counting log lines - Metrics/MethodLength AllowedPatterns/AllowedMethods
Running RuboCop results in the following error
$ rubocop
Running RuboCop...
Offenses:
C: Metrics/MethodLength: Method has too many lines. [25/10] (https://rubystyle.guide#short-methods)
def ...
- 9,952
1
vote
1
answer
30
views
Rails Cookies not updating on other pages
Is there a way in Rails to delete/reset a particular cookie when the value has been changed on one page?
So I have 10 tabs, if the cookie is changed on tab 1 it doesn't update on the rest of the tabs ...
- 659