categories_products. Both plural. In lexical order. Quote: Unless the name of the join table is explicitly specified by using the :join_table option, Active Record creates the name by using the lexical order of the class names. So a join between customer and order models will give the default join table name of “customers_orders” because “c” … Read more
I figured out how to sort this issue. In my before block in my specs I simply added: before(:each) do @request.host = “#{mock_subdomain}.example.com” end This setups up the request.subdomains.first to be the value of the mock_subdomain. Hope someone finds this useful as its not explained very well anywhere else on the net.
In my opinion, normal OO design principles apply: If the code is really a set of utilities that doesn’t need access to object state, I would consider putting it in a module to be called separately. For instance, if the code is all mapping utilities, create a module Maps, and access the methods like: Maps::driving_directions. … Read more
What’s happening is that your Application and/or ApplicationSpawners are shutting down due to time-out. To process your new request, Passenger has to startup a new copy of your application, which can take several seconds, even on a fast machine. To fix the issue, there are a few Apache configuration options you can use to keep … Read more
(date2.year * 12 + date2.month) – (date1.year * 12 + date1.month) more info at http://www.ruby-forum.com/topic/72120
You can use validates_presence_of http://apidock.com/rails/ActiveModel/Validations/ClassMethods/validates_presence_of class A < ActiveRecord::Base has_many :bs validates_presence_of :bs end or just validates http://apidock.com/rails/ActiveModel/Validations/ClassMethods/validates class A < ActiveRecord::Base has_many :bs validates :bs, :presence => true end But there is a bug with it if you will use accepts_nested_attributes_for with :allow_destroy => true: Nested models and parent validation. In this topic you … Read more
In your views do something like this: <% content_for :title, “Title for specific page” %> <!– or –> <h1><%= content_for(:title, “Title for specific page”) %></h1> The following goes in the layout file: <head> <title><%= yield(:title) %></title> <!– Additional header tags here –> </head> <body> <!– If all pages contain a headline tag, it’s preferable to … Read more
If your .rvmrc file contains custom shell code, continue using .rvmrc as it allows you to include any shell code. If your only aim is to switch Ruby versions, then use .ruby-version which is supported by other Ruby version switchers such as rbenv or chruby. This file also does not require trusting as it is … Read more
Ubuntu 20.04 upgraded libffi6 to libffi7 but your Rails apps are still looking for libffi6. You need to run the following command: gem pristine ffi This should fix it
How it actually works is that the association object is a “proxy object”. The specific class is AssociationProxy. If you look at line 52 of that file, you’ll see: instance_methods.each { |m| undef_method m unless m =~ /(^__|^nil\?$|^send$|proxy_|^object_id$)/ } By doing this, methods like class no longer exist on this object. So if you call … Read more