Ruby Notes
Snippet
Instead of being asleep at 20:08 on 12 May 2022, kitt created this:
Yeah, those small details I need to keep looking up as I switch among ruby, javascript, php, and python on any given day.
See also:
https://www.techotopia.com/index.php/Ruby_String_Replacement,_Substitution_and_Insertion
https://www.rubyguides.com/2019/07/ruby-gsub-method/
CSV notes at https://ruby-doc.org/stdlib-2.6.3/libdoc/csv/rdoc/CSV.html
# remove only leading and trailing whitespace (like PHP's trim) str.strip # use a regular expression ( this evaluates to str = "white chocolate" str.gsub("white", "dark") # which are groupings, btw (this evaluates to "1a") "a1".gsub(/(\w)(\d)/, '\2\1') # puts and print print "use a return at the end\n" puts "automatically adds the newline"
Add new comment