Week 5 Quiz

gistfile1.txt

## Week 5 Quiz

## 0) Name 3 types of variables in Ruby? Put them in order from least scope to greatest.
1. Local variable(new = "foo")
2. Instan variable(@new="foo")
3.Constant(NEW="foo")


## 1) Where do SQL queries belong, the view or controller?


Controller



## 2) Controllers are can do 4 types of operations what are they (RRFF)?



render, ridirect, filter, format




## 3) List the routes it usually take to fully implement CRUD in a web app:

get (show, edit, index)
post (create)
put(update)
path(update)
destroy(delete)




## 4) What view typically holds a form that submits to the `create` action?
new





## 5) What view typically holds a form that submits to the `update` action?


edit



## 6) If you forget what routes are available, what command can you run from the command line to help remember?


$ rake routes



## 7) Below is part of a route.rb file that would be mapped to the appropriate controller, replace this with one line of code.



    get '/comments', to: "comments#index"
    get '/comments/new', to: "comments#new"
    get '/comments/:id/edit', to: "comments#edit"
    get '/comments/:id', to: "comments#show"

    post   '/comments', to: "comments#create"
    delete '/comments/:id’, to: "comments#destroy"
    put    '/comments/:id', to: "comments#edit"

<=> resources :comments


## 8) Below is the code for a controller and a view, what controller action will be hit when you click on a link labeled "click me"?

app/controllers/courses_controller.rb

    def index
      @courses = Course.all
    end

app/views/courses/index.html.erb
    <h2>Courses</h2>
    @courses.each do |course|
      <%= link_to "click me", course %>
    end
show