Controller generation in Ruby on Rails - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to generate a new controller named 'Posts'.

Ruby on Rails

rails generate [1] Posts

Drag options to blanks, or click blank then click option'

Acontroller

Bmodel

Cmigration

Dscaffold

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'model' instead of 'controller' will generate a model, not a controller.

Using 'migration' creates a database migration, not a controller.

Use controller to generate a new controller in Rails.

2fill in blank

medium

Complete the code to generate a controller with an action named 'index'.

Ruby on Rails

rails generate controller Posts [1]

Drag options to blanks, or click blank then click option'

Ashow

Bedit

Cindex

Ddelete

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'show' or 'edit' will create different actions, not the list action.

Using 'delete' is not a valid action name for generation.

The index action is commonly used to list all records.

3fill in blank

hard

Fix the error in the command to generate a controller named 'Users' with actions 'new' and 'create'.

Ruby on Rails

rails generate controller Users [1] [2]

Drag options to blanks, or click blank then click option'

Anew

Bnew create

Ccreate

Attempts:

3 left

💡 Hint

Common Mistakes

Putting multiple actions in one blank causes syntax errors.

Not providing both actions separately.

Each action must be a separate argument; you cannot combine them in one option.

4fill in blank

hard

Fill both blanks to generate a controller named 'Articles' with actions 'show' and 'edit'.

Ruby on Rails

rails generate controller Articles [1] [2]

Drag options to blanks, or click blank then click option'

Ashow

Bindex

Cedit

Ddelete

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up action names or combining them in one argument.

Using invalid action names.

Actions are listed separately after the controller name.

5fill in blank

hard

Fill all three blanks to generate a controller named 'Comments' with actions 'create', 'destroy', and 'update'.

Ruby on Rails

rails generate controller Comments [1] [2] [3]

Drag options to blanks, or click blank then click option'

Ashow

Bcreate

Cdestroy

Dupdate

Attempts:

3 left

💡 Hint

Common Mistakes

Combining multiple actions in one argument.

Using actions not relevant to the controller.

List all desired actions separately after the controller name.