logo
down
shadow

RUBY-ON-RAILS QUESTIONS

Ruby on Rails: attr_accessor for submodels
Ruby on Rails: attr_accessor for submodels
hop of those help? The term "submodel" threw me off because it's nonstandard terminology, but I think what you're looking for is delegate. Basically it lets you delegate certain method calls to a property or instance method of an object.In this case
TAG : ruby-on-rails
Date : November 27 2020, 07:01 PM , By : Iván Gómez
Storing multiple checkbox values in database
Storing multiple checkbox values in database
With these it helps The usual solution is to have a bridging table to create a many-to-many relationship.
TAG : ruby-on-rails
Date : November 26 2020, 07:01 PM , By : mohan
STI and polymorphs
STI and polymorphs
I hope this helps you . The commentable_type field needs to store the name of the table that contains the data, once that row is loaded from the right table, the inherited type will be loaded from the type column on the Posts table.So:
TAG : ruby-on-rails
Date : November 26 2020, 07:01 PM , By : randomdrivetester
Get Mechanize to handle cookies from an arbitrary POST (to log into a website programmatically)
Get Mechanize to handle cookies from an arbitrary POST (to log into a website programmatically)
like below fixes the issue You can use something like this to login and save the cookie so you won't have to do it again. Of course you will need to come up with your own logic to post it directly but this is how I use Mechanize's built in cookie_jar
TAG : ruby-on-rails
Date : November 26 2020, 07:01 PM , By : user3863316
link_to not working in script/console
link_to not working in script/console
around this issue The problem is that link_to uses url_for which needs an incoming url host. You can use app.url_for in the console to fake it like so:
TAG : ruby-on-rails
Date : November 25 2020, 07:01 PM , By : user3863246
How to change color of HAML tags in NetBeans?
How to change color of HAML tags in NetBeans?
Hope that helps Sad to say "that HAML plugin which seems to be unsupported and lacks features", is the only Haml plugin there is for netbeans. I don't know if there is source code for it out there either (never looked). If you look, the colours are a
TAG : ruby-on-rails
Date : November 25 2020, 07:01 PM , By : user3863137
ruby super keyword
ruby super keyword
it fixes the issue The example provided in the Ruby Docs for the super keyword:
TAG : ruby-on-rails
Date : November 25 2020, 07:01 PM , By : user3863083
Ruby number_to_currency displays a totally wrong number!
Ruby number_to_currency displays a totally wrong number!
may help you . Greetings! I’m an old Delphi programmer making the leap to the Mac, Ruby, Rails, and web programming in general. I’m signed up for the Advanced Rails workshop at the end of the month. In the meantime, I’ve been working on porting a mis
TAG : ruby-on-rails
Date : November 25 2020, 07:01 PM , By : martinwolffalonso
Dynamic URL -> Controller mapping for routes in Rails
Dynamic URL -> Controller mapping for routes in Rails
Hope that helps This question is old, but I found it interesting. A fully working solution can be created in Rails 3 using router's capability to route to a Rack endpoint.Create the following Rack class:
TAG : ruby-on-rails
Date : November 25 2020, 07:01 PM , By : Jacob Smith
Building Admin Areas in Rails - General Questions
Building Admin Areas in Rails - General Questions
wish helps you You can have 2 controllers, one for the public part and other for the admin and use admin namespacing:
TAG : ruby-on-rails
Date : November 25 2020, 07:01 PM , By : Joachim Serquiña
What's causing "NoMethodError: undefined method `include?' for nil:NilClass"
What's causing "NoMethodError: undefined method `include?' for nil:NilClass"
hop of those help? I have a Book model in my Rails application, with various properties (aka columns in the book db table). One of these properties is "ranking". , the book object is the one that is nil, not ranking. So having
TAG : ruby-on-rails
Date : November 24 2020, 07:00 PM , By : HeatherM
Invalid AuthenticityToken everywhere
Invalid AuthenticityToken everywhere
I think the issue was by ths following , Make sure your server is configured to have the correct domain name. I've seen this when the cookie for the authenticity token was being set for a different domain than the server was actually on. Clients woul
TAG : ruby-on-rails
Date : November 24 2020, 07:00 PM , By : user3862836
Is reading xml simple in rails or converting it to hash will be simpler?
Is reading xml simple in rails or converting it to hash will be simpler?
this will help You might want to take a look at the Nokogiri gem which makes this sort of thing easy.
TAG : ruby-on-rails
Date : November 24 2020, 07:00 PM , By : mahmoud
adding model validation errors in rescue
adding model validation errors in rescue
Does that help Errors added outside of the validation callbacks will be removed when validation gets run - ActiveModelSo you have to add your errors from within a validation callback, not in a setter. This should work:
TAG : ruby-on-rails
Date : November 23 2020, 07:00 PM , By : Zaka Ria
Set rails request timeout (execution expired)
Set rails request timeout (execution expired)
Hope that helps If you are using gem "rack-timeout" Then change the Rack::Timeout.timeout = 30 seconds or more inside the config/initializers/timeout.rb file. Use this link for more details.
TAG : ruby-on-rails
Date : November 23 2020, 07:00 PM , By : Ammar Khan
Test (with RSpec) a controller outside of a Rails environment
Test (with RSpec) a controller outside of a Rails environment
will be helpful for those in need Here's an example of a working standalone Test::Unit test with a simple controller under test included.. Maybe there's some parts here that you need to transfer over to your rspec code.
TAG : ruby-on-rails
Date : November 22 2020, 07:01 PM , By : user3862049
How to implement "short" nested vanity urls in rails?
How to implement "short" nested vanity urls in rails?
I hope this helps . To have this work "nicely" with the Rails URL helpers you have to override to_param in your model:
TAG : ruby-on-rails
Date : November 21 2020, 07:01 PM , By : jcarlp13
In Mechanize what is the cookiejar and how does it differ from cookies?
In Mechanize what is the cookiejar and how does it differ from cookies?
To fix this issue It seems from the official documentation that the CookieJar and cookies are very similar indeed:
TAG : ruby-on-rails
Date : November 20 2020, 07:00 PM , By : Mogo
Ruby JSON.pretty_generate ... is pretty unpretty
Ruby JSON.pretty_generate ... is pretty unpretty
I think the issue was by ths following , To generate pretty JSON output it appears that you're only missing a puts call.The data:
TAG : ruby-on-rails
Date : November 20 2020, 07:00 PM , By : user3861523
Ruby on Rails Drawbacks
Ruby on Rails Drawbacks
wish helps you Frequent version updates to the framework make it hard to keep your app up to date - upgrades can break in obscure places.MonkeyPatching - can cause serious problems for anyone that has to maintain a large codebase over a long period o
TAG : ruby-on-rails
Date : November 20 2020, 07:00 PM , By : user3861414
Wrong root on image_tag, include_tags, etc
Wrong root on image_tag, include_tags, etc
will be helpful for those in need One way this would happen is if you set ActionController::Base.asset_host to point to your public server in environment.rb.
TAG : ruby-on-rails
Date : November 20 2020, 07:00 PM , By : Seh Bingo
How does the proc in the caches_action if clause get execute
How does the proc in the caches_action if clause get execute
seems to work fine The parameter pass on Proc is the current object. So in your example it's the x variable. So you can call all method of this instance. If you want call the logged_in? method. You can because it's a public instance
TAG : ruby-on-rails
Date : November 19 2020, 07:01 PM , By : user3861123
show array size with will_paginate
show array size with will_paginate
I wish this helpful for you will_paginate adds some attributes to the returned collection one of them is total_entries which is the total number of results the query would have returned.
TAG : ruby-on-rails
Date : November 18 2020, 07:00 PM , By : Markus Vitolo
ordering a collection by an association's property
ordering a collection by an association's property
I think the issue was by ths following , In addition to the options mentioned you may want to use a named_scope:
TAG : ruby-on-rails
Date : November 18 2020, 07:00 PM , By : user3860889
Override as_json or to_json model class name
Override as_json or to_json model class name
With these it helps To be compatible with Rails 3, override as_json instead of to_json. It was introduced in 2.3.3:
TAG : ruby-on-rails
Date : November 18 2020, 07:00 PM , By : jellybelly21
How should I deploy a patch to a Passenger-based production Rails application without downtime?
How should I deploy a patch to a Passenger-based production Rails application without downtime?
like below fixes the issue No problems here doing cap production deploy. If the deployment fails then the previous release is still good. Nothing will fail as the old release is loaded (cached) in the current Passenger process. The touch tmp/restart.
TAG : ruby-on-rails
Date : November 18 2020, 07:00 PM , By : user3860714
Rails - asynchronous tasks, forked processes, best practices
Rails - asynchronous tasks, forked processes, best practices
I wish this help you If your notifier is non-thread blocking, you could simply spawn a thread and perform the notification there. That way, your program will continue to run while that thread is waiting on the response.Of course, you'll want some way
TAG : ruby-on-rails
Date : November 16 2020, 07:01 PM , By : user3860348
Rails controller
Rails controller
seems to work fine It's a bit hard to follow the question you're asking and the detailed syntax might vary, but you're going to want something like
TAG : ruby-on-rails
Date : November 16 2020, 07:01 PM , By : Mordo
Git + GitHub + Heroku
Git + GitHub + Heroku
should help you out The idea behind submodules is that they're all separate git repositories that you can include into a master one and rather instead of including all the files it includes a link to that submodule instead.How to use submodules
TAG : ruby-on-rails
Date : November 16 2020, 07:01 PM , By : user3860225
Ruby on Rails Report Generator
Ruby on Rails Report Generator
This might help you There is nothing magical about a "report", you can create your own view which calculates summary data in whatever type of visualization you might need.
TAG : ruby-on-rails
Date : November 16 2020, 07:01 PM , By : saran
Ruby on Rails: Model.all.each vs find_by_sql("SELECT * FROM model").each?
Ruby on Rails: Model.all.each vs find_by_sql("SELECT * FROM model").each?
like below fixes the issue Both calls do make the same SQL call, so they both should be roughly the same speed. Model.all does go through an extra level of indirection. I think that Rails in all collects all the rows from the DB connection, then call
TAG : ruby-on-rails
Date : November 16 2020, 07:01 PM , By : cYb0rG
Rails to_xml override
Rails to_xml override
like below fixes the issue If you have an array in Rails, to_xml will nest each object under a 'records' tag. Is there a way to override this to name it something else?
TAG : ruby-on-rails
Date : November 15 2020, 07:01 PM , By : Sarathi
How to test declarative_authorization with rspec
How to test declarative_authorization with rspec
it fixes the issue Yes, you can test permissions. See here under Authorization::TestHelper -- require the helpers in your spec_helper file, and include Authorization::TestHelper. This pulls in methods that allow you to specify the current user and it
TAG : ruby-on-rails
Date : November 15 2020, 07:01 PM , By : Jomon John
Multiple domains on a single rails app
Multiple domains on a single rails app
With these it helps When a Rails app starts in production mode, it preloads its classes and retrieves e.g. column data from the configured database. To use multiple databases, you would have to stop it doing this - and that could potentially cause a
TAG : ruby-on-rails
Date : November 15 2020, 07:01 PM , By : Shamna Naz E
How to check user's role after login in Rails?
How to check user's role after login in Rails?
help you fix your problem Your methods ApplicationControllerteacher? and ApplicationControllerstudent? are really bad, remove them and use built-in Userteacher? or Userstudent? instead:
TAG : ruby-on-rails
Date : November 14 2020, 07:01 PM , By : Younggun Na
How can I request an image and return it as black and white in rails?
How can I request an image and return it as black and white in rails?
this will help Storing two copies of the image will be much more efficient than processing the image everytime it is requested. However, you might be able to get away with using CSS image filters:
TAG : ruby-on-rails
Date : November 14 2020, 07:01 PM , By : Adriano Di Matteo
Ruby Summer of Code Project Ideas
Ruby Summer of Code Project Ideas
I wish this help you How about going through http://isitruby19.com/ and fixing as many gems as possible that still don't work with 1.9? Not sure if this would qualify as a GSOC project, but it would definitely be a step in the right direction so we a
TAG : ruby-on-rails
Date : November 14 2020, 07:01 PM , By : user3859672
How do I write user-specific configuration into a rails app?
How do I write user-specific configuration into a rails app?
I wish did fix the issue. I store user-specific information in an ActiveRecord / database model called User.
TAG : ruby-on-rails
Date : November 14 2020, 07:01 PM , By : Adrian
background-fu pluggin unable to run ./script/generate background
background-fu pluggin unable to run ./script/generate background
wish help you to fix your issue tree/master on github is no longer rails 2.x compatible (they are moving on to Rails 3). Try downloading the 1-0-stable branch tarball, decompress, untar, and put it in vendor/plugin.
TAG : ruby-on-rails
Date : November 14 2020, 07:01 PM , By : Yanzhen Tang
Call named routes in CakePHP as the same way in Ruby on Rails
Call named routes in CakePHP as the same way in Ruby on Rails
wish of those help Use the array version in the view. CakePHP does reverse routing to determine the string link to use, i.e. '/my-route', from the array of controller / action / params in the array.
TAG : ruby-on-rails
Date : November 13 2020, 07:01 PM , By : Hiroki Namekawa
How to install system_timer gem on Windows 7
How to install system_timer gem on Windows 7
With these it helps You can't install system_timer in Windows system. If you see on gem page in requirement, you can see
TAG : ruby-on-rails
Date : November 12 2020, 07:00 PM , By : Ajay
GET params in ruby-on-rails project - best practices?
GET params in ruby-on-rails project - best practices?
With these it helps Yes, the code you listed should be safe from SQL Injection. Yes, this is generally acceptable rails code...but There are some oddities.
TAG : ruby-on-rails
Date : November 12 2020, 07:00 PM , By : Danonino Le Ptipot
Which persistent & lightweight queue messaging for cross domain (> 2) data exchange with rails integration?
Which persistent & lightweight queue messaging for cross domain (> 2) data exchange with rails integration?
With these it helps I think you hit the 2 major products out there .you can also check out these 2 products that would satisfy your needs somewhat:
TAG : ruby-on-rails
Date : November 12 2020, 07:00 PM , By : user3858923
converting Date object to TimeWithZone
converting Date object to TimeWithZone
I hope this helps . I'm late to the party, but this is still a great question. ActiveSupport's in_time_zone was introduced since the O.P., but it does exactly what you want without parsing a string (slow) or setting Time.zone (risky):
TAG : ruby-on-rails
Date : November 12 2020, 07:00 PM , By : dawn
Access current_user in model
Access current_user in model
help you fix your problem I have 3 tables , Rails 5 Declare a module
TAG : ruby-on-rails
Date : November 11 2020, 07:00 PM , By : user3858627
Should I use helper method for this method?
Should I use helper method for this method?
I hope this helps you . Let us say I have this helper method that checks if a person is on above average height or below height average base on model Person's attribute height and country. person_helper.rb , I would do something like this:
TAG : ruby-on-rails
Date : November 10 2020, 07:00 PM , By : Waseem Usmani
How can I call a controller action from a rake task?
How can I call a controller action from a rake task?
it should still fix some issue Can you handle the report generation from your models? Models should be doing most of the work anyway and can be accessed from Rake tasks:
TAG : ruby-on-rails
Date : November 10 2020, 07:00 PM , By : Yash Gupta
Using the submit button to link to another page in rails
Using the submit button to link to another page in rails
I hope this helps . Submit buttons are used to submit forms to a controller action. In the controller action you can use the redirect_to method to redirect to another page.For example, let's say you have a form for creating widgets. That form would t
TAG : ruby-on-rails
Date : November 10 2020, 07:00 PM , By : user3858239
Disabling model's after_find only when called from certain controllers
Disabling model's after_find only when called from certain controllers
Does that help I have an after_find callback in a model, but I need to disable it in a particular controller action e.g. , @@callback_after_find
TAG : ruby-on-rails
Date : November 09 2020, 07:01 PM , By : user3858114
Uninitialized constant Item::Types
Uninitialized constant Item::Types
it helps some times You need to pay careful attention to pluralization in Rails. In this case you're setting up a singular relationship to a plural thing, so it's presumed that you're actually calling a class named "Types" and not "Type". has_one, be
TAG : ruby-on-rails
Date : November 09 2020, 07:01 PM , By : Untitled
Rails custom TimeZone
Rails custom TimeZone
I think the issue was by ths following , Suppose you want a timezone that does NOT use DST, and basically tracks Eastern Standard Time always (also known as Eastern Prevailing Time). You want it to be a -05:00 offset always. Use the Timezone Etc/GMT+
TAG : ruby-on-rails
Date : November 09 2020, 07:01 PM , By : thuy tran
Rails, handling multiple redirects
Rails, handling multiple redirects
To fix the issue you can do A look at the source of ActionControllerredirect_to helps out:
TAG : ruby-on-rails
Date : November 09 2020, 07:01 PM , By : Akit
Create a thumbnail of a dwg in in a linux environment
Create a thumbnail of a dwg in in a linux environment
wish help you to fix your issue cad2svg is a simple Linux command-line utility that automatically converts AutoCAD files (both dwg and dxf) to SVG.the link
TAG : ruby-on-rails
Date : November 09 2020, 07:01 PM , By : user3857906
Grails benchmarks compared to other web MVC platform (Rails, Django, ASP MVC)?
Grails benchmarks compared to other web MVC platform (Rails, Django, ASP MVC)?
I hope this helps you . I don't know of any new benchmarks but unless you have some very specific needs Grails will most likely be more than good enough for you. The design choices you make while creating your application will affect it more than wea
TAG : ruby-on-rails
Date : November 09 2020, 07:01 PM , By : user3857901
cant do port forwarding ro my webrick server to access it from the net!
cant do port forwarding ro my webrick server to access it from the net!
I wish did fix the issue. What IP address do you have WEBrick set to listen on? My guess is it could be set to “127.0.0.1” which would cause the problem you’re describing. If so, set it to “0.0.0.0” and see if that works. If you’re starting the serve
TAG : ruby-on-rails
Date : November 08 2020, 07:01 PM , By : user3857824
Problem with converting form_tag in rails
Problem with converting form_tag in rails
Any of those help It looks like you have and mixed up in several places. You need to use with form_tag, and with link_to and error_messages_for. The latter two methods return their output, while form_tag automatically appends its output to the output
TAG : ruby-on-rails
Date : November 08 2020, 07:01 PM , By : user3857798
DRYing up Rails Views with Nested Resources
DRYing up Rails Views with Nested Resources
will help you I recommend you to make separate admin controller with it's own views to administrate everything you want. And your customer's logic stayed in products contoller.
TAG : ruby-on-rails
Date : November 08 2020, 07:01 PM , By : user3857699
Rails way for querying join table in has_and_belongs_to_many
Rails way for querying join table in has_and_belongs_to_many
fixed the issue. Will look into that further Generally, HABTM association include this method by default!IE: Role has_and_belongs_to_many :users
TAG : ruby-on-rails
Date : November 08 2020, 07:01 PM , By : user3857632
Testing rails' autocomplete with cucumber
Testing rails' autocomplete with cucumber
I wish this helpful for you You need to use a JS-enabled driver for your test. If you are using webrat o capybara you can try using selenium.
TAG : ruby-on-rails
Date : November 08 2020, 07:01 PM , By : sanaz alone
Can rails test speed be increased?
Can rails test speed be increased?
Any of those help Are you using mocks where you need to? You don't mention a mocking framework. Are you using one? Or are your tests large and do they test things like logging into web servers or running database queries?
TAG : ruby-on-rails
Date : November 08 2020, 07:01 PM , By : lazybaer

shadow
Privacy Policy - Terms - Contact Us © 35dp-dentalpractice.co.uk