Nothing
      tryGet = function(code) {
  tryCatch(code,
           error = function(c) {
             message(c)
             return("error")
           },
           warning = function(c) {
             message(c)
             return("warning")
           }
  )
}
err_print = function() {
  msg = paste0("\n", "Conection error.", "\n", "If the problem persists, ",
               "try a different download method from 'download.file()' ",
               "and/or increase timeout 'options(timeout = 600)'.")
  message(msg)
}
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.