Is there something similar to ‘rake routes’ in django? [duplicate]

This question already has answers here: Determine complete Django url configuration (10 answers) Closed 6 years ago. In rails, on can show the active routes with rake ( $ rake routes users GET /users {:controller=>”users”, :action=>”index”} formatted_users GET /users.:format {:controller=>”users”, :action=>”index”} POST /users {:controller=>”users”, :action=>”create”} POST /users.:format {:controller=>”users”, :action=>”create”} Is there a similar tool/command for … Read more

rails generate model

I’m trying to follow instructions from the book “Head First Rails” and on page 50 it says to create a model but I am unable to create a model using the rails command. When I type this at this prompt: localhost:~ home$ rails generate model ad name:string description:text price:decimal seller_id:integer email:string img_url:string I get this: … Read more

How to use ActiveRecord in a ruby script outside Rails?

I have a small ruby script in which I’d like to use ActiveRecord to easily access a database model. What is the best way to do it? Answer require ‘active_record’ # Change the following to reflect your database settings ActiveRecord::Base.establish_connection( adapter: ‘mysql2’, # or ‘postgresql’ or ‘sqlite3’ or ‘oracle_enhanced’ host: ‘localhost’, database: ‘your_database’, username: ‘your_username’, … Read more

Check for multiple items in array using .include? — Ruby Beginner

Is there a better way to write this: if myarray.include? ‘val1’ || myarray.include? ‘val2’ || myarray.include? ‘val3’ || myarray.include? ‘val4′ Answer Using set intersections (Array#:&): (myarray & [“val1”, “val2”, “val3”, “val4”]).present? You can also loop (any? will stop at the first occurrence): myarray.any? { |x| [“val1”, “val2”, “val3”, “val4”].include?(x) } That’s ok for small arrays, … Read more

How to create a deep copy of an object in Ruby?

I did some searching found some different methods and posts about creating a deep copy operator. Is there a quick and easy (built-in) way to deep copy objects in Ruby? The fields are not arrays or hashes. Working in Ruby 1.9.2. Answer Deep copy isn’t built into vanilla Ruby, but you can hack it by … Read more

Webpacker configuration file not found – Rails 6.0.0

I was trying to run “rails s” to run my server then I suddenly run into an error that says webpacker configuration not found. Here’s the info: boot@noki-K54C:~/Desktop/app$ rails s => Booting Puma => Rails 6.0.0 application starting in development => Run `rails server –help` for more startup options RAILS_ENV=development environment is not defined in … Read more