ruby-on-rails Questions
14
Solved
I am having a problem installing the mysql2 gem.
This comes up when I do gem install mysql2:
Marks-MacBook-Pro:~ Mark$ gem install mysql2
Building native extensions. This could take a while...
ER...
Continue asked 23/3, 2011 at 18:16
4
Solved
Am trying to access the token from ExactOnlineAPI but the documentation recommends to only use x-www-form-urlencoded. Does Ruby on Rails has this kind of encoding, if so how can i use it.
What is ...
Gaeta asked 10/12, 2015 at 14:0
15
Solved
I'm using Rails migrations to manage a database schema, and I'm creating a simple table where I'd like to use a non-integer value as the primary key (in particular, a string). To abstract away from...
Painter asked 29/7, 2009 at 14:15
5
I am new in Ruby on Rails and i am using Ruby version 2.1.0 and Rails 4.0.2
My Query is:-
I want to call Model in initializers.
my Model file is setting.rb and Model name Setting. its location i...
Ricarda asked 27/3, 2014 at 6:38
6
Solved
I have users entering in dates in a Ruby on Rails website. I parse the dates into a DateTime object with something like:
date = DateTime.new(params[:year].to_i, params[:month].to_i, params[:day].t...
Catton asked 6/4, 2013 at 9:13
2
Solved
In the sidekiq documentation, there is this quote about preferring to use /app/lib instead of /lib in Rails projects related to autoloading errors:
A lib/ directory will only cause pain. Move the ...
Horary asked 11/9, 2018 at 20:53
9
Solved
Well, everything's in the title but I'll explain a little more :-)
My rails app contain many forms (Ajaxified or not).
To prevent users to submit twice or more some forms, I use Javascript.
Ther...
Katheryn asked 1/7, 2010 at 17:29
2
Solved
I am using Ruby on Rails 3 and I would like to disable and toogle the CSS class of a form.submit when the form is AJAX submitted and until the AJAX HTTP request is completed (I am using the default...
Phaeton asked 5/3, 2012 at 17:13
8
Solved
I want to get list of records with attached images as a links or files by api.
I have a simple model:
class Category < ApplicationRecord
has_one_attached :image
validates :name, presence: tr...
Pena asked 9/6, 2018 at 15:11
7
Solved
I'm testing my app on my mobile phone (samsung galaxy note II with chrome) and I have a problem with the numeric input fields.
In my app these fields can accept negative numbers, and on the brows...
Skiagraph asked 10/2, 2014 at 12:48
9
I need to add a link to download the file from assets/docs/Физика.pdf
I do not know how to do that.
I am trying to do so here: in view -
<%= link_to "download", '/Физика.pdf', :download => ...
Rile asked 21/8, 2016 at 23:53
3
Solved
I am having an issue when trying to destroy an active record instance.
It involves the following AR
class Client < ActiveRecord::Base
has_many :phone_numbers, :dependent => :destroy
has_m...
Tauten asked 7/4, 2009 at 22:9
4
I'm making a website for a class and I'm trying to implement a friend request function with a model called 'Users' and a join model called 'Relationships'. I have a button on the user#show page tha...
Merrymerryandrew asked 7/12, 2015 at 15:56
3
Given the following setup(which is not working currently)
class Employee < ActiveRecord::Base
end
class Manager < Employee
end
ActiveAdmin.register Employee do
form do |f|
f.input :name
...
Loup asked 16/7, 2012 at 1:48
5
Solved
I want to make S3 bucket public to everyone but I get access denied when I do That and it Says
You can't grant public access because Block public access settings
are turned on for this account. T...
Manual asked 11/5, 2019 at 21:22
5
Solved
Given a model with ActiveStorage
class User
has_one_attached :avatar
end
I can check whether a single user has an avatar
@user.avatar.attached?
But how can I return a collection of all us...
Didst asked 20/9, 2018 at 5:23
3
Solved
I am fairly new to Ruby on Rails, and I clearly have an active record association problem, but I can't solve it on my own.
Given the three model classes with their associations:
# application_for...
Wil asked 23/11, 2009 at 5:9
4
Solved
I have a fairly decent grasp on the basic Rails concepts like ActiveRecord, routing, migrations, etc. One thing I'm having a hard time understanding is ActionDispatch. I can't find a plain-English ...
Ralina asked 29/5, 2013 at 19:53
3
Solved
I have this example
FactoryGirl.define do
@site = FactoryGirl.create(:my_site)
factory :user do
email { Faker::Internet.email }
first_name { Faker::Name.first_name }
last_name { Faker::Name.l...
Dickson asked 6/7, 2012 at 14:56
5
Solved
I'm trying to start puma, but at the last step it fails like this:
16:38:09 web.1 | /home/ramonpm/.rvm/gems/ruby-2.2.7/gems/puma-3.9.1/lib/puma/launcher.rb:130:in `initialize': No such file or dir...
Perturb asked 17/10, 2018 at 19:45
5
Solved
I don't understand why this is happening. I have the following migration:
def self.up
create_table :leakages do |t|
t.integer :feature_id
t.integer :project_id
t.float :total
t.date :apt_date...
Furlana asked 18/7, 2013 at 6:17
5
Solved
I'm trying to use Sidekiq to run the below job.
The job performs fine when not queued (perform_now) but fails when called as (perform_later), which uses Sidekiq.
AddEmployeesToRoomJob.perform_no...
Dilate asked 20/8, 2016 at 15:20
4
Solved
I have a Rails 6 app that uses Active Storage to store multiple images to a model (Activity) with has_many_attached.
I don't understand how to append extra images instead of replacing the existin...
Mande asked 18/1, 2020 at 19:13
5
I have a simple query need: Find a list of users who made an order since Jan 1, 2013.
In SQL, it's a very simple query.
But I'm using Rails and Active Record.
So I wrote: User.joins(:orders).whe...
Wallet asked 5/3, 2013 at 17:43
4
Solved
As far as I know, assign_attributes (unlike update_attributes) is not supposed to save the record or for that matter, any record.
So it quite startled me when I discovered that this is not true wh...
Chelseachelsey asked 29/6, 2017 at 7:57
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