In Julia you concatenate strings with *

julia> a=[@sprintf("%02d",i) for i = 1:99];


julia> a[1]*a[2]
"0102"




On Wednesday, May 20, 2015 at 10:05:08 AM UTC+2, paul analyst wrote:
>
>  Txh, but unfortunatly is not to compute
>
> julia> a=[@sprintf("%02d",i) for i = 1:99];
>
> julia> a[1]+a[2]
> ERROR: MethodError: `+` has no method matching +(::ASCIIString, 
> ::ASCIIString)
> Closest candidates are:
>   +(::Any, ::Any, ::Any)
>   +(::Any, ::Any, ::Any, ::Any...)
>
> I have in string data with time and i must compute changes only in on 2 
> last position
> table=
> 2015-01-01
> 2015-01-01
> 2015-01-12
>
> I take last two digits  
> int(table[i][9:10])
> compute somthing
>
> and I must put the last two Chars
> Always i need 2 char '12' or '01'
>
>
>
> Paul
>
>
>
> W dniu 2015-05-20 o 09:57, Jeff Waller pisze:
>  
>  *[@sprintf("%02d",i) for i = 1:99]*
>  
>
>  

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