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RUBY-ON-RAILS QUESTIONS

Rails and threading
Rails and threading
help you fix your problem I'm trying to make a Rails 4 application that makes a lot of http requests to some API handle more traffic, originally the code in the controller looks like this: , Am I doing this right?
TAG : ruby-on-rails
Date : December 02 2020, 10:46 PM , By : user3045350
Rails send email via pop up
Rails send email via pop up
it helps some times Make sure the html for the second form is not inside the main form. That will cause issues. You also probably want the modal form to be remote: true so that it will be submitted via AJAX. Instead of:
TAG : ruby-on-rails
Date : December 01 2020, 04:47 PM , By : user3044840
Rails - same route for more than one of the same http methods
Rails - same route for more than one of the same http methods
like below fixes the issue As the other comment stated, your approach isn't going to work. However...In your routes.rb, you could do:
TAG : ruby-on-rails
Date : December 01 2020, 04:47 PM , By : user3044624
Missing `secret_key_base` for 'production' environment on Ubuntu 18.04 server (Rails 6.0), multiple topics tried
Missing `secret_key_base` for 'production' environment on Ubuntu 18.04 server (Rails 6.0), multiple topics tried
should help you out Rails 5.2 and later uses encrypted credentials for storing sensitive app's information, which includes secret_key_base by default. These credentials are encrypted with the key stored in master.key file. Git repository, generated b
TAG : ruby-on-rails
Date : December 01 2020, 04:45 PM , By : JuanPa Garzon
Namespace rails belongs_to
Namespace rails belongs_to
seems to work fine Is there a typo in your belongs_to? It should be belongs_to :permissionAlso, use permission_id as your foreign key in the account_group_permissions table.
TAG : ruby-on-rails
Date : December 01 2020, 04:45 PM , By : user3044204
Rails: How to check if user exsists in controller and if not redirect to other site
Rails: How to check if user exsists in controller and if not redirect to other site
will help you I want to check if a user exists in the show action of my UserController. If the user does not exists, the current user should be redirected to his on profile page (via show action). The problem is it gets redirected again and again and
TAG : ruby-on-rails
Date : December 01 2020, 04:45 PM , By : user3044162
Ruby on Rails - fullcalendar linked with datepicker
Ruby on Rails - fullcalendar linked with datepicker
like below fixes the issue I've struggled through lots of posts on stackoverflow with partial answers, and eventually managed to link datepicker and fullcalendar using the below code in application.js:
TAG : ruby-on-rails
Date : December 01 2020, 04:42 PM , By : user3043959
Which Redis commands does Sidekiq use?
Which Redis commands does Sidekiq use?
wish of those help There is no canonical list but the current Sidekiq supports Redis 2.8 so none of the newer commands in 3.0+.
TAG : ruby-on-rails
Date : December 01 2020, 04:40 PM , By : digitalx
rails _4.2.11.1_ new does not load 'sqlite3'
rails _4.2.11.1_ new does not load 'sqlite3'
To fix this issue It is just because rails can't find exact version of gem needed, please provide version explicitly as below,
TAG : ruby-on-rails
Date : December 01 2020, 04:36 PM , By : Andrew
Extracting transaction data from variable length arrays
Extracting transaction data from variable length arrays
should help you out I have built a small program in ruby that collects table data from my own PDF bank statements. This does so by scanning each PDF statement for tables and then filters out for transactional line item patterns. , Assume your transac
TAG : ruby-on-rails
Date : November 29 2020, 12:01 PM , By : user3042844
CSV::MalformedCSVError: New line must be <"\n\r">
CSV::MalformedCSVError: New line must be <"\n\r">
Any of those help Windows row_sep is "\r\n", not "\n\r". However this CSV is malformed. Looking at it using a hex editor it appears to be using "\r\r\n".It's tab-delimited.
TAG : ruby-on-rails
Date : November 28 2020, 12:01 PM , By : bmazzotti
Rails country-state_select gem javascript not working
Rails country-state_select gem javascript not working
I think the issue was by ths following , This gem documentation is a bit outdated, so as you're using Rails 5, first script line should be
TAG : ruby-on-rails
Date : November 27 2020, 05:23 PM , By : Alireza Tabatabaee
Conversion of String into DateTime works in console but not in request (Rails)?
Conversion of String into DateTime works in console but not in request (Rails)?
it fixes the issue There are over 600 elements in the returned JSON that doesn't have end_date or start_date
TAG : ruby-on-rails
Date : November 27 2020, 05:23 PM , By : Zuzhi Hu
Rails exclude multiple NOT IN
Rails exclude multiple NOT IN
wish of those help I want to exclude any records if they contain any part of my exclude array. So an item can be 'Item name (BSE)' or 'Item name (B)' etc. , How about this?
TAG : ruby-on-rails
Date : November 27 2020, 12:01 PM , By : Logu
How do you create an item without going through CRUD (with controller, etc.)?
How do you create an item without going through CRUD (with controller, etc.)?
I think the issue was by ths following , You can use the rails console to run any code you like, including creating objects.
TAG : ruby-on-rails
Date : November 27 2020, 12:01 PM , By : user3041789
How to efficiently retrieve groups of objects from activerecord with a single SQL query?
How to efficiently retrieve groups of objects from activerecord with a single SQL query?
around this issue @SebastianPalma's answer is the best solution; however if you were looking for a more "railsy" fashion of generating this query you can use arel as follows:
TAG : ruby-on-rails
Date : November 26 2020, 12:01 PM , By : omihaz
In 3-tiered relationship (User-Post-Comment), should user model include has_many :comments?
In 3-tiered relationship (User-Post-Comment), should user model include has_many :comments?
To fix the issue you can do Or is enough to simply have: , Edit: Regarding these queries:
TAG : ruby-on-rails
Date : November 26 2020, 06:28 AM , By : user3040771
How to conditionally include route parameter in Rails?
How to conditionally include route parameter in Rails?
I wish did fix the issue. I ended up writing a monkey patch overriding the dynamic method generated for all of my relevant paths. I used a custom route option, infer_organization_from_site that I look for when dynamically generating routes. If the op
TAG : ruby-on-rails
Date : November 26 2020, 06:18 AM , By : user3040222
How do I make my Rails api index action show only the instances from a certain id, when I have a nested route?
How do I make my Rails api index action show only the instances from a certain id, when I have a nested route?
Hope this helps In the index method of LocationsController, you are fetching all locations instead of locations for the given vehicle only.Change LocationsController index method as below,
TAG : ruby-on-rails
Date : November 24 2020, 12:01 PM , By : user3038794
Unable To Displaying Comments On A Post
Unable To Displaying Comments On A Post
wish help you to fix your issue In your posts controller's show method you should fetch comments and then you can show it in html page.For example,
TAG : ruby-on-rails
Date : November 24 2020, 12:01 PM , By : user3038733
Rails create multiple rows from one form
Rails create multiple rows from one form
I wish this helpful for you I have a rails app that has building and floors models , you can modify it in your building controller in create action.
TAG : ruby-on-rails
Date : November 24 2020, 12:01 PM , By : user3038580
Add multiple rows to a column
Add multiple rows to a column
I hope this helps you . Well, you are asking to creating a dynamic nested form in Rails. You can do it manually with Jquery normal Rails form. This tutorial might help
TAG : ruby-on-rails
Date : November 24 2020, 05:48 AM , By : user3038193
Gmaps4rails how create markers list
Gmaps4rails how create markers list
will help you I find example http://apneadiving.github.io/
TAG : ruby-on-rails
Date : November 23 2020, 12:01 PM , By : Shreyansh Mridul
mongoid NoMethodError (undefined method `all' for Complex:Class)
mongoid NoMethodError (undefined method `all' for Complex:Class)
To fix the issue you can do In ruby (at least >= 1.8.6) Complex is a class defined by the language, so when you reference Complex.all it looks for the class defined in complex.c in the ruby source code instead of your class.
TAG : ruby-on-rails
Date : November 22 2020, 12:01 PM , By : abdallah
Rails 3: Access polymorphic_url method in separate module
Rails 3: Access polymorphic_url method in separate module
hop of those help? You should consult with APIdocks on such matters. Depending on Rails version, you can find polymorphic_url in a couple of different places: Rails 4. Rails 3.
TAG : ruby-on-rails
Date : November 22 2020, 12:01 PM , By : Krishnan VS
Rails to_param - Without ID
Rails to_param - Without ID
I wish did fix the issue. Here's a gem called FriendlyId. It will give you more options to play with.The problem with your code is that you need to convert that parameter back to original, or use the same kind of transformation on your column during
TAG : ruby-on-rails
Date : November 22 2020, 12:01 PM , By : theCartographer
Accessing Model Variable in a block in a controller
Accessing Model Variable in a block in a controller
this will help I must be missing something really obvious here but i cant see wood for trees at the moment, and this feels a lot like a noob question! :) , Let's look closer to the code. The error happens here:
TAG : ruby-on-rails
Date : November 22 2020, 11:17 AM , By : Pavel
ETag changing on every request. Rack middleware interfering?
ETag changing on every request. Rack middleware interfering?
this one helps. In a small quest to improve caching in my Rails (3.2) application, I noticed that my Etag header changes for every single request. , Here is a relevant source code of Rack::ETag:
TAG : ruby-on-rails
Date : November 22 2020, 11:17 AM , By : Andrew's Copper Art
Devise don't want to return JSON after sign_in
Devise don't want to return JSON after sign_in
will help you Override session create method of Devise::SessionsControlleradd a controller file in app/controllers/users/sessions_controller.rb and inherit Devise::SessionsController as below.
TAG : ruby-on-rails
Date : November 22 2020, 11:12 AM , By : Rambha
Testing helper in rspec with I18n lazy lookup
Testing helper in rspec with I18n lazy lookup
Does that help Consider this example. I have a Product model which has discount_percentage. And we're maintaining multiple locales. In the view we do not want the i18n stuff mess up the view. So we make a helper to read better and probably reuse it i
TAG : ruby-on-rails
Date : November 22 2020, 11:12 AM , By : Betelgeuze
undefined method `permit' for nil:NilClass using ruby on rails
undefined method `permit' for nil:NilClass using ruby on rails
should help you out Hi im new to ruby on rails. And im exploring the codes on it. Ive got this error line of code undefined method `permit' for nil:NilClass , It should look like:
TAG : ruby-on-rails
Date : November 22 2020, 11:12 AM , By : Sooyca
Double entry table in rails
Double entry table in rails
This might help you As Jay mentioned, you would benefit from a has_many :through relationship, or maybe a has_and_belongs_to_many relationship; whether it's the actual solution we'll have to see:
TAG : ruby-on-rails
Date : November 22 2020, 11:05 AM , By : Link
How to pass Json parameter for blockchain-wallet ruby api methods
How to pass Json parameter for blockchain-wallet ruby api methods
help you fix your problem Trying to work on blockchain-wallet ruby api methods as in doc https://github.com/Tolsi/blockchain-wallet-ruby/blob/master/lib/blockchain/wallet.rb where am stuck with passing Json parameters for payment and sendmany methods
TAG : ruby-on-rails
Date : November 22 2020, 11:05 AM , By : Ivan
Phusion Passenger cant start Ruby on Rails app
Phusion Passenger cant start Ruby on Rails app
To fix this issue It means your app isn't being run under the correct Ruby interpreter. Use the passenger_ruby option to tell Phusion Passenger what Ruby interpreter to use (in your case, I think that's supposed to be Ruby 2.1.0). Consult the documen
TAG : ruby-on-rails
Date : November 22 2020, 11:05 AM , By : Cherry Echivarre
Rails how to add product to profile
Rails how to add product to profile
may help you . It looks like between users and documents there is many to many relation, for that you need to create a table document_users, columns will be document_id and user_idin User.rb
TAG : ruby-on-rails
Date : November 22 2020, 11:02 AM , By : Abhijit Banerjee
Rails validation - confirming presence of form attribute that is not saved in model
Rails validation - confirming presence of form attribute that is not saved in model
like below fixes the issue You should probably check for the presence of it in the params in your controller action:
TAG : ruby-on-rails
Date : November 22 2020, 11:02 AM , By : Moon
Rails render template with status
Rails render template with status
To fix the issue you can do What is the simplest/shortest way to respond in an API controller. Currently the following works: , You can use render directly
TAG : ruby-on-rails
Date : November 22 2020, 11:02 AM , By : Mohandoss Ragavan
How does Ruby on Rails do this trick?
How does Ruby on Rails do this trick?
like below fixes the issue Here's a simple example of how you might defer an action until the data is needed (please note that this is much simpler than ActiveRecord, makes no effort to be efficient, and was simply the quickest way to describe the co
TAG : ruby-on-rails
Date : November 22 2020, 11:02 AM , By : surbhi
Sending to New action instead of Post
Sending to New action instead of Post
will help you Turns out that when I was rendering the form, I was rendering it on the page in a tag. Rails did not like that. As soon as I changed the to a the submit request went the post route.
TAG : ruby-on-rails
Date : November 22 2020, 10:58 AM , By : Nahid Bhuyan
Override DeviseController base class - Rails 4, Devise 3
Override DeviseController base class - Rails 4, Devise 3
I hope this helps . I am trying to override the Devise method set_flash_message. Devise documentation covers how to override controllers for the various submodules. , I believe this is the syntax to override Devise controllers:
TAG : ruby-on-rails
Date : November 22 2020, 10:58 AM , By : Data07
How to define a ruby array that contains a backslash("\") character?
How to define a ruby array that contains a backslash("\") character?
I wish this helpful for you There are some characters which are special and need to be escaped. Like when you define a string
TAG : ruby-on-rails
Date : November 21 2020, 04:03 PM , By : WeShal
Setting devise admin role
Setting devise admin role
Any of those help This wouldn't be possible by irb that I know of, unless you loaded your Rails environment, like the Rails console does. You could do it several ways (an SQL query, for example), but I tend to do things like this via the console beca
TAG : ruby-on-rails
Date : November 21 2020, 04:03 PM , By : V. C
weird rspec error `undefined method model_name`
weird rspec error `undefined method model_name`
seems to work fine @employer_profile is nil in your view - so in your edit action EmployerProfile.find_by_user_id(params[:user_id]) is returning nil.If you want it to raise an exception when it can't find an EmployerProfile, use the bang variation of
TAG : ruby-on-rails
Date : November 21 2020, 04:03 PM , By : Priyendu Mori
Only show if word has certain values
Only show if word has certain values
like below fixes the issue You can use Stringinclude? and Stringdowncase:
TAG : ruby-on-rails
Date : November 21 2020, 04:03 PM , By : Clark Glandel Calina
Bunny::TCPConnectionFailed while running RabbitMQ examples from http://www.rabbitmq.com/tutorials/tutorial-one-ruby.html
Bunny::TCPConnectionFailed while running RabbitMQ examples from http://www.rabbitmq.com/tutorials/tutorial-one-ruby.html
hop of those help? This seems to have been a bunny bug. I tried versions 1.1.0 and 1.1.2 and I was facing this error. But installing 1.1.3 this morning seems have made this error go away. I am assuming a fix for chef compatibility went into this vers
TAG : ruby-on-rails
Date : November 21 2020, 04:03 PM , By : Ethan.Y
ActiveRecord::Relation#explain always runs the query in full
ActiveRecord::Relation#explain always runs the query in full
hop of those help? Here is how I did this. In both Rails 3 and 4 I wrote an initializer for ActiveRecord::Relation.First, in Rails 3:
TAG : ruby-on-rails
Date : November 21 2020, 12:01 PM , By : BOOPATHY KUMAR
Trying to pass an argument/variable into an attribute in Rails
Trying to pass an argument/variable into an attribute in Rails
fixed the issue. Will look into that further I found the easiest way to go about this ended up just using a designated keyword in the attribute and then replacing it in the controller using the ruby method .gsub!
TAG : ruby-on-rails
Date : November 21 2020, 12:01 PM , By : s.rajesh
Rails caching a paginated collection
Rails caching a paginated collection
it helps some times With a paginated collection, you're just getting an array. Any attempt to monkey patch Array to include a cache key would be a bit convoluted. Your best bet it just to use the cache method to generate a key on a collection-to-coll
TAG : ruby-on-rails
Date : November 21 2020, 12:01 PM , By : 薛雄峰
Can't delete asset for customer in Rails
Can't delete asset for customer in Rails
seems to work fine Your error is in this line You want to pass the customer as well
TAG : ruby-on-rails
Date : November 21 2020, 12:01 PM , By : Isaiah G
How to manage both nested and not nested resources
How to manage both nested and not nested resources
Does that help I wonder what is a proper way to resolve the following problem. , Routes:
TAG : ruby-on-rails
Date : November 21 2020, 07:35 AM , By : sakurasword0025
FactoryGirl How to add several objects with different roles
FactoryGirl How to add several objects with different roles
will help you , First solution
TAG : ruby-on-rails
Date : November 21 2020, 07:35 AM , By : Antoin
Capistrano 2 tasks file, syntax needs fixing
Capistrano 2 tasks file, syntax needs fixing
Does that help Find below my tasks.rb file from a capistrano 2 deployment. Its originally from WP Stack and I've hacked it so allow me to do "cap dev db:sync" as well as "cap staging db:sync" now this works fine, but I've put the "end" syntax somewhe
TAG : ruby-on-rails
Date : November 21 2020, 07:35 AM , By : nonane
Do I have to install Rails on every new project?
Do I have to install Rails on every new project?
I hope this helps . You don't have to install Rails on every project, but the gems that you need for that project.With bundle install you install all the gems that you specify in Gemfile.
TAG : ruby-on-rails
Date : November 21 2020, 07:35 AM , By : user7452249
skip_after_filter with if statement
skip_after_filter with if statement
wish helps you How can I do skip_after_filter with an if statement?
TAG : ruby-on-rails
Date : November 20 2020, 12:01 PM , By : Jake Achée
How to write scope for not contain or null or empty?
How to write scope for not contain or null or empty?
it helps some times I wondering how to correctly write scope which in sql looks like:
TAG : ruby-on-rails
Date : November 20 2020, 12:01 PM , By : Phoogha_Bear
Rendering user vote count
Rendering user vote count
To fix the issue you can do I'm using this gem for comments: https://github.com/lml/commontator , Assuming you have this setup
TAG : ruby-on-rails
Date : November 20 2020, 12:01 PM , By : Tania Makar
Rails Devise Build nested model in controller
Rails Devise Build nested model in controller
To fix this issue I think the problem is that the default RegistrationsController.new is just:
TAG : ruby-on-rails
Date : November 20 2020, 12:01 PM , By : Mohamad El Bayat
Posting form between 2 rails applications including files
Posting form between 2 rails applications including files
To fix this issue There are a lot of issues with attempting what you are: Cross Domain Requests (CORS) Form Uploading
TAG : ruby-on-rails
Date : November 20 2020, 12:01 PM , By : leighjeffery
Paginate Comments With will_paginate
Paginate Comments With will_paginate
To fix the issue you can do Setting @business.comments not only won't work but is actually dangerous and destructive. You are setting the comments associated to the business to be only the ones returned by that paginate call. (Check what the log show
TAG : ruby-on-rails
Date : November 19 2020, 04:06 PM , By : getiz
NoMethodError 'title_url' when posting json to a controller?
NoMethodError 'title_url' when posting json to a controller?
fixed the issue. Will look into that further When you respond with a resource, title in this case, for a post request it will redirect to the show action. From the respond_with documentation:
TAG : ruby-on-rails
Date : November 19 2020, 04:06 PM , By : Sundancer

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