Array Column Subset Revisited

Richmond Mathewson richmondmathewson at gmail.com
Fri Jun 29 21:01:00 CEST 2018


That's funny; I thought the "intersect" command was for finding out if 
objects overlapped
each other.

Richmond.

On 29/6/2018 9:39 pm, J. Landman Gay via use-livecode wrote:
> Have you tried the "intersect" command?
>
> On 6/28/18 4:44 PM, Bob Sneidar via use-livecode wrote:
>> Hi all.
>>
>> We know we can set the customKeys of an object, which will delete any 
>> elements of the custom properties not in the list we set it to. 
>> Wouldn't it be great if you do the same with the keys of an array? 
>> Currently, the keys of an array are read only. If they were settable, 
>> you could effectively get just the column(s) of an array (like the 
>> dgData of a datagrid) without having to iterate through every array 
>> element.
>>
>> It may be nitpicking though, if the time savings are negligible.
>>
>> Bob S
>
>



More information about the use-livecode mailing list