BTW, is there some documentation about the choice of symbols vs strings for this kind of stuff (dictionary keys, optional function args, etc.)? Are symbols more efficient for this?
On Wednesday, January 29, 2014 5:11:20 PM UTC, John Myles White wrote: > > As we continue trying to prune DataFrames down to the essentials that we > can reasonably commit to maintaining for the long-term future, we've > decided to start using only symbols for the names of columns and remove all > uses of strings. > > This change will go live on master today, so please don't pull from master > until you're ready to update your code. > > -- John > >
