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Debugging Ruby (revised)

#54 Debugging Ruby (revised)

Apr 07, 2012 | 7 minutes | Debugging, Tools
This episode will show you how to debug a rails app using the "debugger" gem: set a breakpoint, inspect variables and change the executed code at runtime.
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Gemfile 
gem 'debugger', group: [:development, :test]
tasks_controller.rb 
debugger
terminal 
bundle
rails s

# in debugger
help
help list
list
next
pp @today_tasks
pp @today_tasks.map(&:due_at)
step
l
n
pp range
irb
continue

# in irb
puts where(due_at: range).to_sql
date.to_time
date.to_time_in_current_zone
range = date.beginning_of_day..date.end_of_day
exit