Byebug Notes day 2

Question 1

What does byebug do?

Answer 1

Byebug is a debugging tool. using byebug we can pause execution, step through our code one line at a time, take a look inside key variables and methods.

Question 2

How do you install byebug?

Answer 2

run the following command in your terminal:

[gem install byebug]

Question 3

what should you do before running your file?

Answer 3

(1) [require “byebug”]- add to the top of your file to gain access to the gem
(2) [debugger] - place this line at a point in your file where you want to begin debugger mod

Question 4

what does [l -] do

Answer 4

list the line numbers in the specified range

example: l 3-20

Question 5

what does [step or s]

Answer 5

step into the method call on the current line, if possible

Question 6

what does [next or n ] do?

Answer 6

• move to the next line of executed code

Question 7

what does[break or b ] do?

Answer 7

place a breakpoint at the specified line number, this will pause execution again

Question 8

what does [continue or c] do?

Answer 8

resume normal execution of the code until a breakpoint

Question 9

what does [display ] do?

Answer 9

automatically show the current value of a variable