List of rails command lines

Rails Command Line.md

Starts the rails server

rails s

View a running list of the development log

tail -f log/development.log

Starts the rails console

rails c

rails dbconsole # starts the DB console

Useful rails console commands

Last Value: _

_ represents the last value returned from rails console and you can assign it to a variable for further usage:

var = _

ls to examine a variable

• The command ls returns the list of methods from the variable
• Note that this is availabe only from the gem pry

ls var

List methods of a variable

• Returns all methods of var less the methods of 1 (object methods)
• 1 is an object and it represents the common methods of all objects
• So removing it will enable us to examine the additional methods of

<var>.methods.sort - 1.methods