Name error on ruby

irb
2.7.3 :001 > a_variable
NameError (undefined local variable or method `a_variable' for main:Object)
2.7.3 :002 > a_variable = 7
 => 7
2.7.3 :003 > a_variable
 => 7

Source: learning.flatironschool.com

Similar codes

3 votes316 views1 answer
How to I change the name of a column in rails
Ruby
0 vote305 views1 answer
Run method before rails
Ruby
0 vote300 views1 answer
Ruby on rails array contains multiple values
Ruby
0 vote302 views1 answer
How to force exit server in rails
Ruby
0 vote276 views1 answer
Ruby hash transform keys
Ruby
0 vote274 views1 answer
DEPRECATION WARNING: Sprockets method `register_engine` is deprecated.
Ruby
0 vote275 views1 answer
Log rails
Ruby
2 votes334 views3 answers
Rails image tag
Ruby
0 vote276 views1 answer
Rails model on validation custom column name
Ruby
0 vote273 views1 answer
Will_paginate gem rails
Ruby