in reply to
Re^4: can i concatenate various value to form a unique key
in thread can i concatenate various value to form a unique key
Like Marshall says, I think you want another data structure/strategy, you may get more helpful comments if you explain how did you run into this and give a wider view of your problem.
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
Results (245 votes),