Nothing
E(
as.integer(ISOdate(1970, 1, 1, tz="UTC")),
0L,
bad=12L*60L*60L,
value_comparer=all.equal # storage mode may be 'double' or 'integer'
)
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.