If you do a:
precomp = map(log10,2:10)
Then a oneliner for the first digit is:
searchsortedfirst(precomp, log10(lista[3])%1.0)
There are many paths in the garden. But this one is not as long (slow) as
it looks.
On Tuesday, October 27, 2015 at 10:35:18 AM UTC+2, Alireza Nejati wrote:
>
> Michele's solution is preferred here, but you can also do it like this:
>
> string(lista[3])[1]
>
