Rails new project generation - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a new Rails project named 'blog'.

Ruby on Rails

rails [1] blog

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

Astart

Bgenerate

Cnew

Dcreate

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'rails generate' instead of 'rails new'.

Using 'rails create' which is not a valid command.

Using 'rails start' which does not create a project.

The rails new command creates a new Rails project with the given name.

2fill in blank

medium

Complete the code to create a new Rails project without installing gems immediately.

Ruby on Rails

rails new blog [1]

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

A--skip-gemfile

B--skip-bundle

C--no-install

D--no-gems

Attempts:

3 left

💡 Hint

Common Mistakes

Using '--no-install' which is not a valid option.

Using '--skip-gemfile' which does not exist.

Using '--no-gems' which is invalid.

The --skip-bundle option tells Rails to create the project but skip running bundle install immediately.

3fill in blank

hard

Fix the error in the command to create a new Rails project with PostgreSQL as the database.

Ruby on Rails

rails new blog -d [1]

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

Apostgresql

Bmysql

Csqlite

Dmongo

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'mysql' which is a different database.

Using 'sqlite' which is the default but not PostgreSQL.

Using 'mongo' which is not supported by default.

The correct database option for PostgreSQL is postgresql. This tells Rails to configure the project to use PostgreSQL.

4fill in blank

hard

Fill both blanks to create a new Rails project named 'shop' with API mode and skip test files.

Ruby on Rails

rails new shop [1] [2]

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

A--api

B--skip-test

C--skip-test-unit

D--skip-tests

Attempts:

3 left

💡 Hint

Common Mistakes

Using '--skip-test' which is not a valid option.

Using '--skip-tests' which is invalid.

Confusing API mode option with database option.

The --api option creates a lightweight Rails app for APIs. The --skip-test-unit option skips generating test files using Test::Unit.

5fill in blank

hard

Fill all three blanks to create a new Rails project named 'forum' with PostgreSQL, skip Action Mailbox, and skip Action Text.

Ruby on Rails

rails new forum -d [1] [2] [3]

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

A--skip-action-mailbox

B--skip-action-text

Cpostgresql

D--skip-active-storage

Attempts:

3 left

💡 Hint

Common Mistakes

Using '--skip-active-storage' instead of skipping mailbox or text.

Mixing up the order of options.

Using 'mysql' instead of 'postgresql' for the database.

The -d postgresql option sets PostgreSQL as the database. The --skip-action-mailbox and --skip-action-text options skip generating those features.