Is there a difference between a large molecular variable and a $,$ variable in Ruby on Rails?
I'm trying to save and write the values I'm going to use globally for the file under rails' config/initials/, but I don't know which one is the best.
ruby ruby-on-rails
Variables starting with capital letters are Constants, variables starting with $ are global variables, and $$ is the variable representing the process ID (PID) of the interpreter (interpreter, Interpreter) that runs the script. If you want to use global variables, use $^
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