Rails commands by function

Question 1

Name the Rails command that:

Creates a new application

Answer 1

rails new ApplicationName

Question 2

Name the Rails command that:

Creates a model with the specified model_name

Answer 2

rails generate/g model ModelName

Question 3

Name the Rails command that:

Creates a controller with the specified controller_name

Answer 3

rails generate/g controller ControllerName

Question 4

Name the Rails command that:

Creates a migration with the specified migration_name

Answer 4

rails generate/g migration MigrationName

Question 5

Name the Rails command that:

Provides a shortcut for creating your controller, model and view files etc.

Answer 5

rails generate/g scaffold ModelName ControllerName

Question 6

Name the Rails command that:

Destroys the created controller and its related file. Same way you can destroy your model, migration files etc.

Answer 6

rails destroy controller ControllerName

Question 7

Name the Rails command that:

Starts ruby server at http://localhost:3000

Answer 7

rails server/s

Question 8

Name the Rails command that:

Opens the rails console for the current RAILS_ENV

Answer 8

rails console/c

Question 9

Name the Rails command that:

Opens the DB console for the current RAILS_ENV

Answer 9

rails dbconsole/db

Question 10

Name the Rails command that:

Profiles your application.

Answer 10

rake test:profile

Question 11

Name the Rails command that:

Lists all available rake tasks

Answer 11

rake -T

Question 12

Name the Rails command that:

Creates the database defined in config/database.yml for the current RAILS_ENV

Answer 12

rake db:create

Question 13

Name the Rails command that:

Drops the database for the current RAILS_ENV

Answer 13

rake db:drop

Question 14

Name the Rails command that:

Migrates the database through scripts in db/migrate folder.

Answer 14

rake db:migrate

Question 15

Name the Rails command that:

Drops and recreates the database from db/schema.rb for the current environment.

Answer 15

rake db:reset

Question 16

Name the Rails command that:

Runs the down method from the latest migration.

Answer 16

rake db:rollback

Question 17

Name the Rails command that:

Create a db/schema.rb file that can be portably used against any DB supported by AR

Answer 17

rake db:schema:dump

Question 18

Name the Rails command that:

Builds the RDOC HTML Files

Answer 18

rake doc:app

Question 19

Name the Rails command that:

Lists the gems that this rails application depends on

Answer 19

gem list

Question 20

Name the Rails command that:

Installs all required gems for this application.

Answer 20

bundle install

Question 21

Name the Rails command that:

Truncates all *.log files in log/ to zero bytes

Answer 21

rake log:clear

Question 22

Name the Rails command that:

Prints out all defined routes in match order, with names.

Answer 22

rake routes

Question 23

Name the Rails command that:

Runs all unit, functional and integration tests

Answer 23

rake test

Question 24

Name the Rails command that:

Runs tests for functionalsdb:test:prepare /
Run the functional tests in test/functional

Answer 24

rake test:functionals

Question 25

Name the Rails command that:

Runs tests for integrationdb:test:prepare /
Runs the integration tests in test/integration

Answer 25

rake test:integration

Question 26

Name the Rails command that:

Runs tests for unitsdb:test:prepare /
Runs the unit tests in test/unit

Answer 26

rake test:units

Question 27

Name the Rails command that:

Clears session, cache, and socket files from tmp/

Answer 27

rake tmp:clear

Question 28

Name the Rails command that:

Lists all the installed gems.

Answer 28

gem list

Question 29

Name the Rails command that:

Installs the specified gem in to your machine.

Answer 29

gem install GemName

Question 30

Name the Rails command that:

Uninstalls the specified gem from your machine.

Answer 30

gem uninstall GemName

Question 31

Name the Rails command that:

Presents a web page at http://localhost:8808/ with info about installed gems.

Answer 31

gem server

Question 32

Name the Rails command that:

Benchmarks your application.

Answer 32

rake test:benchmark