Jan Grodowski grodowski

grodowski / application.rb

Created November 16, 2016 15:29 — forked from steve9001/application.rb

Rails middleware to provide information about errors during requests

	module MyApp
	class Application < Rails::Application
	if Rails.env == 'test'
	require 'diagnostic'
	config.middleware.use(MyApp::DiagnosticMiddleware)
	end
	end
	end

grodowski / trace_calls.rb

Last active August 29, 2015 14:26 — forked from toch/trace_calls.rb

Decorate any method in Ruby to get its call stack

	def trace_calls_on
	scope = {}
	trace = TracePoint.new(:call, :line) do \|tp\|
	case tp.event
	when :call then puts "#{tp.path}:#{tp.lineno} #{tp.defined_class}::#{tp.method_id} " \
	"called from #{scope[:path]}:#{scope[:lineno]} #{scope[:class]}::#{scope[:method_id]}"
	when :line then scope = {
	event: :line,
	lineno: tp.lineno,
	path: tp.path,