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On Sun, Mar 30, 2008 at 6:48 PM, Scott Klement <rpg400-l@xxxxxxxxxxxxxxxx>
wrote:
Folks, I'm working on an article that's tentatively titled "Classic
Traps and How to Avoid Them". The general idea is to discuss the classic
mistakes that programmers make while programming, and (where necessary)
explain how to avoid that.
using subroutines instead of sub procedures. using global variables for
anything other than maintaining state between program calls ( and even that
is problematic more often than not. Better to store the state in the program
caller and pass it as parms to the program. )
global variables and subroutines were necessary because the system has
historically been underpowered by the IBM marketing division. Based on Chris
Maxcer's reports of what IBM is announcing this week. i5/OS may finally get
price/performance parity with the system p.
http://blogs.systeminetwork.com/isnblogs/maxedout/2008/03/shearer_throws_down_at_the_com.html#comments
-Steve
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