Hi,
I use Visual Foxpro 6.0 and..
What I want to do is.. when someone login the software, I add his name in a table and when someone else want to do a critical operation, I go see in the table if there is someone logged in (except the person who want to do the critical operation). If yes, I...
Hi,
I would like to know how I can do to know if 3 points (x,y) do a 90 degre angle?
Also, if 4 points (x,y) have 2 sides parallel..
If someone have an idea, let me know!
Thank you!
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