Displaying 2 results from an estimated 2 matches for "second_item".
2007 Oct 30
2
How to switch off accepting the shortcut of column names
...sion 2.4.1.
I realized it has a feature, which might be wonderful (as so many things in
R), but in this case might be a bit dangerous as well. It seems that columns
of a data frame can be called just by indicating the first letter of the
name of the column.
For example:
first_item <- seq(1,10)
second_item <- seq(11,20)
dat <- data.frame(first_item, second_item)
names(dat)
# [1] "first_item" "second_item"
dat$f
# [1] 1 2 3 4 5 6 7 8 9 10
dat$s
# [1] 11 12 13 14 15 16 17 18 19 20
The good thing is, that if there is more than one column starting with the
same lette...
2005 Dec 15
12
Adding multiple invoice items to an invoice on the same form
Hi Friends ,
Got a unique requirement .I am designing a invoice printing system
.So right now I have the NEW page for adding the invoice details to the
table .Now I have the requirement of adding Invoice Items In the same
form .I have added multiple text boxes to enter the values of the Items
using
<%= text_field ''invoiceitems[]'', ''item_price''