None

of the above

These

messages contain message data and metadata i.e. information about message

itself

A

client sends a message in form of a HTTP Request and server responds in form of

a HTTP Response

Both of the above

4

3

2

5

routes

app

lib

config

the attribute cannot have

less than the specified length

the attribute length must be included in a given

interval

the attribute can have less than the specified

length

the attribute cannot have more than the

specified length

rails

generate controller_name

rails controller_name

rails  g controller controller_name

ruby g controller_name

it set the rule according to which the posts

will be deleted if their user is deleted

it set the rule according to which the user will

be deleted if his posts are deleted

it executes deleting of user his posts are

deleted

it executes deleting of posts belonging to user

when user is deleted

an architectural pattern

a

software architectural style

a

messaging protocol specification

gem ‘jbuilder’

gem ‘json

gem ‘json-rails’

gem ‘jsoner’

render: :edit

render :edit

render action: :edit