Call stack information and Binding.of_caller/breakpoint workaround for Ruby 1.8.5 call_stack can be used to obtain backtrace information in a running program. It also contains a new Binding.of_caller implementation that works with Ruby 1.8.5. It can be used with Rails’ breakpointer as follows: ruby -rbreakpoint185 script/server and then, in another console script/breakpointer
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