Ok now I get it. Thank you.
Le mardi 1 septembre 2015 10:29:45 UTC+2, xmarx a écrit :
>
> This is a shortcut that allows you to pass multiple arguments to a
> function directly list. source:
> http://stackoverflow.com/questions/36901/what-does-double-star-and-star-do-for-python-parameters
>
>
>
This is a shortcut that allows you to pass multiple arguments to a function
directly list. source:
http://stackoverflow.com/questions/36901/what-does-double-star-and-star-do-for-python-parameters
TABLE(*[TR(*rows) for rows in table])
TABLE
is a function that can takes list argument.
[TR(*ro
Thank you for your highlight. You helped me to better understand the
iteration.
My main misunderstanding was actually the "*" before the "[(TR" ?
Le lundi 31 août 2015 01:07:47 UTC+2, Anthony a écrit :
>
> [TR(*rows) for rows in table] is a list comprehension -- it iterates over
> the items in
[TR(*rows) for rows in table] is a list comprehension -- it iterates over
the items in "table" (which are themselves lists) and creates a new list of
TR objects.
The "*" before the list is Python syntax for argument unpacking, treating
each item in the list as if it were a separate positional a
Doest the first star is needed? I think not?
Le dimanche 30 août 2015 19:20:38 UTC+2, Mamisoa Andriantafika a écrit :
>
> Hi,
>
> Could you explain to me how this code works?
>
> http://web2py.com/books/default/chapter/29/05/the-views#TABLE--TR--TD
>
> >>> table = [['a', 'b'], ['c', 'd']]
> >>> pr
5 matches
Mail list logo
