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RUBY-ON-RAILS QUESTIONS

Ruby on Rails - unable to convert "\x89" from ASCII-8BIT to UTF-8 for xxx/xxxx/xxxx
Ruby on Rails - unable to convert "\x89" from ASCII-8BIT to UTF-8 for xxx/xxxx/xxxx
This might help you You need to update / install a version of the rdoc gem that supports the conversion. Then these errors won't appear during generation of the documentation when you install rails or when you regenerate the documentation.
TAG : ruby-on-rails
Date : December 05 2020, 12:24 PM , By : Ahmed Farrakha
In Ruby on Rails, After send_file method delete the file from server
In Ruby on Rails, After send_file method delete the file from server
I wish this helpful for you Because you're using send_file, Rails will pass the request along to your HTTP server (nginx, apache, etc. - See the Rails documentation on send_file regarding X-Sendfile headers). Because of this, when you try to delete t
TAG : ruby-on-rails
Date : December 01 2020, 04:55 PM , By : Lauren
An error occurred while installing nokogiri (1.6.6.2), and Bundler cannot continue
An error occurred while installing nokogiri (1.6.6.2), and Bundler cannot continue
may help you . I recently had to install Nokogiri 1.6.6.2 as well and ran into the same issue (also on Mojave 10.14). I tried installing xcode-select first, but that alone didn't solve it. Further down in the install guide (as @xploshioOn linked http
TAG : ruby-on-rails
Date : November 29 2020, 01:01 AM , By : slam
How to setup nested routing for a self referencing controller in Rails 4
How to setup nested routing for a self referencing controller in Rails 4
I hope this helps you . To have nested routes, you need to wrap the nested route in a do end block :
TAG : ruby-on-rails
Date : November 28 2020, 08:01 AM , By : Muhammad Arif
middleman app it is possible to create a contact form?
middleman app it is possible to create a contact form?
this one helps. Remember that Middleman is a static site generator, but you'll need something dynamic in order to process the form. Pretty much anything will do: a simple PHP script, Rails/Sinatra app, etc., so long as it's running on a server. There
TAG : ruby-on-rails
Date : November 28 2020, 01:01 AM , By : Rishav
How to refactor this piece of code
How to refactor this piece of code
like below fixes the issue I'm new to ruby on rails, on this project I'm using ruby 2.0 and rails 3.0 , Don't use no double negatives
TAG : ruby-on-rails
Date : November 28 2020, 01:01 AM , By : John Slater
How can I know if a user has access to all or just some resources with Cancan?
How can I know if a user has access to all or just some resources with Cancan?
I think the issue was by ths following , As discussed in the question comments, this sounds like a case of roles vs abilities.If there already is a role system in place, and the logic for choosing between methods maps directly to these roles, then go
TAG : ruby-on-rails
Date : November 28 2020, 01:01 AM , By : Arshath Mohammed S
How can I run a ruby class from rake file?
How can I run a ruby class from rake file?
I wish this helpful for you Adding to what @tobias has to say here you go with an example scriptsample content of myruby.rb
TAG : ruby-on-rails
Date : November 28 2020, 01:01 AM , By : XaNillas92
Send JSON data as post method from rails controller to a web service
Send JSON data as post method from rails controller to a web service
seems to work fine You can use net/http. (as @Pierre wrote, you should create a class in lib folder, and put there your function)
TAG : ruby-on-rails
Date : November 28 2020, 01:01 AM , By : Саиф Итачи
How to test Controllers under different namespaces and why this test fails?
How to test Controllers under different namespaces and why this test fails?
To fix this issue Dear fellow Overflowers, , You should probably be doing this instead:
TAG : ruby-on-rails
Date : November 28 2020, 01:01 AM , By : Nick Morley
rspec expect condition OR condition
rspec expect condition OR condition
this one helps. I don't think it is possible.I do think you are mistaken when you say that you would be testing implementation, instead of intent in your example.
TAG : ruby-on-rails
Date : November 28 2020, 01:01 AM , By : Alan Yu
Page loads unnecessary queries Ruby On Rails
Page loads unnecessary queries Ruby On Rails
wish of those help A whole bunch of things and hard to help without actually running the code.First of all, familiarize yourself with good practice in regards of naming things. @catalogs.each do |pc| is a no-no and should be @catalogs.each do |catalo
TAG : ruby-on-rails
Date : November 27 2020, 01:01 AM , By : Mark Kappes
Why "bundle install" try to install outdated version of gems?
Why "bundle install" try to install outdated version of gems?
To fix the issue you can do bundler installs gems basing on two files: Gemfile.lock strict versions saved during previous installation, Gemfile loose version declaration from user.
TAG : ruby-on-rails
Date : November 26 2020, 01:01 AM , By : kezhaar
Rails - Customize model validation error messages but without a database
Rails - Customize model validation error messages but without a database
should help you out try including translations like this:include ActiveModel::Translation
TAG : ruby-on-rails
Date : November 26 2020, 01:01 AM , By : Azkerozo
When to switch from cucumber to rspec in the BDD cycle for a login procedure
When to switch from cucumber to rspec in the BDD cycle for a login procedure
With these it helps My experience with the whole Cucumber/rspec thing is the following: at the beginning when you start with BDD and Cucumber, everything is green and fine like in your example. You can even stick a browser in front of that to do the
TAG : ruby-on-rails
Date : November 26 2020, 01:01 AM , By : San
Multipart response for web service
Multipart response for web service
hope this fix your issue I don't know exactly what kind of front end you are using and what your browser compatibility requirements are, or you need the webservice for integration with other apps only, but assuming you are communicating with server o
TAG : ruby-on-rails
Date : November 25 2020, 07:27 PM , By : chitranjan singh
How to hide Add new option in Rails Admin
How to hide Add new option in Rails Admin
I wish this helpful for you I use the following to achieve this on a specific model. Hopefully, this helps:
TAG : ruby-on-rails
Date : November 25 2020, 07:27 PM , By : Christian Krieg
Override CollectionProxy find method
Override CollectionProxy find method
may help you . Since CollectionProxy calls find on CollectionAssociation which subsequently calls scope.find, you don't need to do anything fancy to override:
TAG : ruby-on-rails
Date : November 25 2020, 07:22 PM , By : Brandon Butler
Rails 4 simple_form has_many through check boxes not saving
Rails 4 simple_form has_many through check boxes not saving
wish of those help I am trying to implement an employee recurrent deductions table through check boxes using simple_form. My code works but the selected recurrent deductions are not saved in my table. I can't work out why. , I needed the following st
TAG : ruby-on-rails
Date : November 25 2020, 07:22 PM , By : Premi
ruby on rails authentication using devise gem
ruby on rails authentication using devise gem
To fix this issue Am using devise gem for authentication , In the file config/initializers/devise.rb look for the line:
TAG : ruby-on-rails
Date : November 25 2020, 07:22 PM , By : Newandroidble
Rails iteration over arrays and hashes
Rails iteration over arrays and hashes
like below fixes the issue When you iterate over a hash, you get access to the keys and values.If you look at what's printing out, you're getting the keys of each hash. Your output might make more sense if you set the parameters to what they actually
TAG : ruby-on-rails
Date : November 25 2020, 07:06 PM , By : Illara
Creating inline date_select dropdowns using simple_form and zurb foundation
Creating inline date_select dropdowns using simple_form and zurb foundation
like below fixes the issue I'm using Simple_Form with Zurb Foundation in my rails application. , One of the workaround is to have something manually like this:
TAG : ruby-on-rails
Date : November 25 2020, 07:06 PM , By : Adhyaksa Herdhianto
NameError in SongsController#index uninitialized constant Song::FriendlyId
NameError in SongsController#index uninitialized constant Song::FriendlyId
With these it helps Problem solved, whenever you see uninitialized constant it generally means you have to run
TAG : ruby-on-rails
Date : November 25 2020, 07:06 PM , By : Mikhail Beregovoi
Rails how to improve if record exists?
Rails how to improve if record exists?
Hope that helps The try method (an addition of ActiveSupport) allows exactly that. If called on a nil object, it will just return nil too. Thus, both of the following lines are equivalent:
TAG : ruby-on-rails
Date : November 25 2020, 07:06 PM , By : Odin
omniauth custom request phase form
omniauth custom request phase form
I hope this helps you . According to the OmniAuth wiki, you just need to provide a :form option when you specify the Rack middleware to use:
TAG : ruby-on-rails
Date : November 25 2020, 07:06 PM , By : amf
Rails 5 - Saving the absolute current url via a button to a cookie?
Rails 5 - Saving the absolute current url via a button to a cookie?
wish of those help This is how I would solve it.1. Add a current_question assocation to user:
TAG : ruby-on-rails
Date : November 25 2020, 01:01 AM , By : Noa Avigad
How can / should I override the `build` method for a my model?
How can / should I override the `build` method for a my model?
like below fixes the issue There is a way to customize your build method , define your build in model relations:
TAG : ruby-on-rails
Date : November 25 2020, 01:01 AM , By : Mohamed Shameem
Install Rails Failed on OSX 10.8.4
Install Rails Failed on OSX 10.8.4
I think the issue was by ths following , I ran into this issue today and it seems that my download of ruby-2.0.0 did not work properly. I would recommend trying rvm reinstall 2.0.0 followed by gem install rails.
TAG : ruby-on-rails
Date : November 25 2020, 01:01 AM , By : Vincent Jiang
ruby on rails - undefined method valid?
ruby on rails - undefined method valid?
will help you You can call valid? on an single instance of an object, not multiple. @contacts would imply that your post_tickets method is returning multiple objects.
TAG : ruby-on-rails
Date : November 25 2020, 01:01 AM , By : blankbq
Users Registration on POST
Users Registration on POST
This might help you You need to point the post action at registrationscreate rather than new.
TAG : ruby-on-rails
Date : November 24 2020, 03:41 PM , By : Rio Miura
Rails application variables in carrierwave store_dir
Rails application variables in carrierwave store_dir
should help you out You have to call the instance method defined on your class with model. definition prepended to it Try this
TAG : ruby-on-rails
Date : November 24 2020, 03:41 PM , By : Eswar
How to customize simple_form for json nested hash
How to customize simple_form for json nested hash
wish helps you I have some nested data: , I'm using this for jsonb / json input:
TAG : ruby-on-rails
Date : November 24 2020, 03:41 PM , By : joe
Couldn't find file 'jquery', Sprockets::FileNotFound in StaticPages#home error
Couldn't find file 'jquery', Sprockets::FileNotFound in StaticPages#home error
Hope that helps I am self-studying Michael Hart's guide and am stuck in chapter 7. , I solved this by reverting to
TAG : ruby-on-rails
Date : November 24 2020, 03:41 PM , By : Lim Boon Keng
How should I use the alias_method_chain for the build method?
How should I use the alias_method_chain for the build method?
With these it helps As you said, build is a method defined on association proxy. What you can do is to use association extensions, so in a model you can pass a block to your has_many call, which will be treated as an extension for given association_p
TAG : ruby-on-rails
Date : November 24 2020, 03:41 PM , By : Andrew Chang
how to create two custom registration forms in devise?
how to create two custom registration forms in devise?
it fixes the issue You can do this quite simply by using Single Table Inheritance. Instead of your role field lets add type column to users.
TAG : ruby-on-rails
Date : November 24 2020, 05:47 AM , By : Diaz Roncero
Rails 4 link_to Destroy not working in Getting Started tutorial
Rails 4 link_to Destroy not working in Getting Started tutorial
like below fixes the issue I am working through the Getting Started tutorial (creating a Blog) and the link_to Destroy is not functioning properly. In the terminal it always interprets it as SHOW. , Try this
TAG : ruby-on-rails
Date : November 24 2020, 05:47 AM , By : SebCor
How does ruby on rails dynamically define `find_by_id`, `find_by_name` methods?
How does ruby on rails dynamically define `find_by_id`, `find_by_name` methods?
seems to work fine This is the power of meta programmation in Ruby, and more specifically the method_missing method: https://ruby-doc.org/core-2.1.0/BasicObject.htmlmethod-i-method_missingWhen you call a method on an instance of a Class that is not d
TAG : ruby-on-rails
Date : November 24 2020, 05:44 AM , By : dtest13
JBuilder dynamic keys for model attributes
JBuilder dynamic keys for model attributes
help you fix your problem I'm trying to build a JSON file to access a product's variation via a variation code. Ideally, I could call variations.abcdefgh essentially asking to define a structure like this:
TAG : ruby-on-rails
Date : November 24 2020, 05:44 AM , By : Anthony G
`initialize': No such file or directory - getaddrinfo (Errno::ENOENT) when Rails new app
`initialize': No such file or directory - getaddrinfo (Errno::ENOENT) when Rails new app
fixed the issue. Will look into that further I just had a similar issue and after reinstalling rvm (a headache) a couple days later it came back. This time I tried using comments to isolate which gems in my Gemfile were causing the problem. I noticed
TAG : ruby-on-rails
Date : November 24 2020, 05:44 AM , By : Bluefootedpig
What is the Ruby equivalent of Node.js' socket.io?
What is the Ruby equivalent of Node.js' socket.io?
this one helps. I'd recommend the Faye Ruby implementation as a solid server-side realtime component. It's not a direct port of socket.io but provides you with the realtime infrastructure and some well define messaging concepts that will help you por
TAG : ruby-on-rails
Date : November 24 2020, 05:44 AM , By : Travis Eden
Where rails store standard helpers?
Where rails store standard helpers?
Does that help Twitter-bootstrap-rails helpers are in twitter-bootstrap-rails gem:https://github.com/seyhunak/twitter-bootstrap-rails/tree/master/app/helpers
TAG : ruby-on-rails
Date : November 24 2020, 05:44 AM , By : Jimmy Lee
how to check expected result matches any of give values in rspec?
how to check expected result matches any of give values in rspec?
this one helps. How can we assert a value that matches any of [1, 3, 5, 6, 10]? , you could do:
TAG : ruby-on-rails
Date : November 24 2020, 01:01 AM , By : user2957665
Form submission to create multiple objects
Form submission to create multiple objects
I hope this helps . In your controller you could turn your user input into an array supposing that each line is separated by a newline character:
TAG : ruby-on-rails
Date : November 24 2020, 01:01 AM , By : user2957462
Simple Twitter Login with Rails and Email confirmation
Simple Twitter Login with Rails and Email confirmation
seems to work fine This maybe the solution you are looking for: http://sourcey.com/rails-4-omniauth-using-devise-with-twitter-facebook-and-linkedin/hth,
TAG : ruby-on-rails
Date : November 24 2020, 01:01 AM , By : lfroidmo
Where should helpful functions for my controller go in Rails?
Where should helpful functions for my controller go in Rails?
will help you The correct way to put helpers functions, is put them as private in the same controller or put in application controller if your helpers functions are used in most of your controllers.EDITED
TAG : ruby-on-rails
Date : November 24 2020, 01:01 AM , By : user2957383
Using session variable in the Model or the other way
Using session variable in the Model or the other way
this will help This is pretty simple, just make method in model and pass username as argument and call it in controller:app/models/my_model.rb
TAG : ruby-on-rails
Date : November 24 2020, 01:01 AM , By : user2957380
Why can't I have ruby code and comments in Embedded Ruby?
Why can't I have ruby code and comments in Embedded Ruby?
Hope that helps ERB has 2 kinds of tags: (scriptlet) (expression)
TAG : ruby-on-rails
Date : November 23 2020, 01:01 AM , By : jmbarberan
Rails: How can I make an object available in all views?
Rails: How can I make an object available in all views?
Any of those help You can do it with a before_action (aka. before_filter) in the ApplicationController, from which all your controllers should inherit.
TAG : ruby-on-rails
Date : November 23 2020, 01:01 AM , By : user2957322
Cannot enter simply form information into SQLite DB (Rails)
Cannot enter simply form information into SQLite DB (Rails)
may help you . So, I'm running into a fairly simple problem, where I cannot enter some simple form values into my SQLite DB (Rails). , Edit the plans_controller.rb:-
TAG : ruby-on-rails
Date : November 23 2020, 01:01 AM , By : user2957104
Rails - Retain form values on failed submission. Getting "First argument in form cannot contain nil or be empty&quo
Rails - Retain form values on failed submission. Getting "First argument in form cannot contain nil or be empty&quo
will help you First Rails question! Loving it so far. :D , change it to
TAG : ruby-on-rails
Date : November 22 2020, 03:03 PM , By : user2956977
How to handle STI and build related models automatically?
How to handle STI and build related models automatically?
To fix the issue you can do I'm building CMS and I want to assign to Page many different contents with common position in a grid and embedded models like plugins and html snippets. As I see for these requirements fit well STI approach. How to build a
TAG : ruby-on-rails
Date : November 22 2020, 03:03 PM , By : zhanglulu
Suppress an error when saving a record in Rails
Suppress an error when saving a record in Rails
help you fix your problem I am saving data to a table.
TAG : ruby-on-rails
Date : November 22 2020, 03:03 PM , By : user2956855
Rails AJAX reload the page. Why?
Rails AJAX reload the page. Why?
will help you As a browser security aspect you can not upload image/file directly through jquery ajax. You either need to create an Iframe Or you can do it with flash(SWF).In your case :remote => true doing nothing it simply submitting form instead o
TAG : ruby-on-rails
Date : November 22 2020, 03:03 PM , By : nicktruch
How to pass user attributes to action mailer
How to pass user attributes to action mailer
I wish this help you You are not passing @comment object to CommentsMailer and trying to access it there.Instead of passing User object (@user) to CommentsMailer in create action CommentsMailer.new_comment(@user).deliver. Try pass @comment object.
TAG : ruby-on-rails
Date : November 22 2020, 03:03 PM , By : user2956728
Custom Validator to Prevent an appointment from being scheduled too early in day?
Custom Validator to Prevent an appointment from being scheduled too early in day?
hop of those help? You can create your own, the same way active record does. This results in clean, portable, easy to test custom validations. An example might look like: create app/validators/during_business_hours_validator.rb with:
TAG : ruby-on-rails
Date : November 22 2020, 10:56 AM , By : siread
Postgres Enable TCP/IP Connection
Postgres Enable TCP/IP Connection
hop of those help? It seems that the firewall blocks your connections, so just try to disable the firewall with:
TAG : ruby-on-rails
Date : November 22 2020, 10:56 AM , By : user2956561
How do I avoid the circular argument reference warning in activesupport
How do I avoid the circular argument reference warning in activesupport
With these it helps This is compass issue here. They haven't release new version yet so you may need to wait for it.
TAG : ruby-on-rails
Date : November 22 2020, 10:56 AM , By : Dhanabalan
Unable to push to heroku master because of rails/spring version error
Unable to push to heroku master because of rails/spring version error
I hope this helps . The exact I keep getting when ever I try git push herou master is this: , change your gemfile to this
TAG : ruby-on-rails
Date : November 22 2020, 10:54 AM , By : Moh-Othmanovic
deep nested routes in rails
deep nested routes in rails
help you fix your problem Here is a good article, I have used this strategy ever since I read about it. I would never quad nest anything.http://rails-bestpractices.com/posts/11-needless-deep-nesting
TAG : ruby-on-rails
Date : November 22 2020, 10:54 AM , By : malde
Best approach to Users Profile Images in Rails App
Best approach to Users Profile Images in Rails App
hope this fix your issue There are two better ways to upload profile image using Carrierwave or Paperclip.If you want to use Carrierwave then refer this tutorial Image Upload using Carrierwave
TAG : ruby-on-rails
Date : November 22 2020, 10:54 AM , By : ifohancroft

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