Okay, so there’s nothing bad at being a beginner level of a developer on anything. The fact that you want to learn and get better at it is more important. So, you’d want to the following things: First of all, you need to set your environment. This would depend on your machine configurations. Once you … Read more
I found the answer. You need to define the foreign_key for the table so you can map it back. belongs_to :addresses, foreign_key: ‘state_abreviation’ 3 solved ActiveRecord joining nested associations on non default values
I found gingerice gem that might apt for my question. BTW thank you all for having time for me. Its working as expected for me. Regards, Sreeraj 1 solved Is there any built in method/gem to convert string into English sentence [duplicate]
It would be something like this on your model: def self.pending_count where(status: 0).count end def self.in_progress_count where(status: 1).count end def self.finished_count where(status: 2).count end Then you can just call Model.pending_count (or the other methods) wherever you need it. solved How to find out the number of records in a table? [closed]
Simply comment out the line specifying validators for the email attribute, or remove it altogether: # app/models/user.rb # validates :email, :presence => false, :email => false You’ll also need to make a slight modification to your users table. By default, Devise does not allow the email field to be null. Create and run change a … Read more
class Dog def set_name(name) @dogname = name end def get_name return @dogname end def talk return “awww” end def initialize(title, description) @title = title @description = description end end #That will cause an error because your new method have two arguments. doggy = Dog.new bogart = Dog.new(‘The Book’, ‘The road not taken’) bogart.set_name(‘Sam’) puts bogart.get_name … Read more
@temp = SalesOrder.where(“status > ?”, 0).ids items = SalesOrderItem.where(sales_order_id: @temp).where.not(product_id: nil) total = items.to_a.group_by(&:product_id).each_with_object({}) do |(product_id, quantity), total| total[Product.find(product_id.to_i).name] = quantity.map(&:quantity).map(&:to_f).sum end @top_five = total.sort_by { |k, v| v }.reverse! Check this. It should work. If any errors, ping me, I will update it PS: your code is not optimized at all. All of this … Read more
You can use ruby ranges for this: list = (1..num).to_a To print an array use the inspect method, i.e. puts list.inspect 3 solved Send in a number and return an array in Ruby [closed]
So to answer your questions regarding operators like << or ||= []: << appends an element to an array (or appends strings), in the case above it’s used to append the comment object to either the results array or or the threaded thingy. ||= basically means, if left-hand-side is undefined then evaluate & assign right-hand-side … Read more
you can look at a video here https://newrelic.com/docs/ruby/ruby-agent-installation there are 3 simple steps to install newrelic Installing the gem New Relic recommends installing the Ruby gem in order to have better control over versions and dependencies. However, the gem is not supported for Rails versions prior to 2.0. If you are using Rails 1.2.6 and … Read more
def get_wistia_media Wistia::Media.get(wistia_key) end Is calling a class method def wistia_key “#{self.key}” end Is defined as an instance method, try def self.wistia_key def wistia_key “vynd6tg1hh” end Just returns a string that will always be the same. 2 solved What’s the difference between “#{self.key}” and “vynd6tg1hh”? [closed]
Welcome to the Rails world! First thing to mention is that Ruby is a language, and Rails is a framework that uses Ruby language. Migrations are a part of Rails and are not a part of Ruby. Now to your question about migrations. Yes, each table needs migrations for its creation and later migrations for … Read more
As mentioned in the tutorial you shared: The reason we can use this shorter, simpler form_for declaration to stand in for either of the other forms is that @article is a resource corresponding to a full set of RESTful routes, and Rails is able to infer which URI and method to use. Also, from the reference given there: For an … Read more
Absolutely there is. You can use a parameter directly in your route. Even further, you can then use that parameter directly in your query, rather than using a case statement. #routes.rb get ‘suggestions/:type’, to: ‘suggestions#index’ # suggestions_controller.rb def index @suggestions = Suggestion.where(suggestion_type: params[:type]) end It’s always a better practice to base your controller actions after … Read more
The main problem was in your Gemfile here gem ‘therubyracer’, platforms: :ruby gem ‘mini_racer’, platforms: :ruby You had two racer type gems, you only need one. You should just use gem ‘mini_racer’ and get rid of therubyracer. Do that and run bundle install. You will also need to clean up merge conflict stuff left in … Read more