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Thread: null value

  1. #1

    Thread Starter
    Lively Member
    Join Date
    Jan 2000
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    karachi
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    90
    Hello,
    Can any one tell me how to
    handle null in choose function
    whenever I input wrong value
    it return and error
    Bye

  2. #2
    transcendental analytic kedaman's Avatar
    Join Date
    Mar 2000
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    You can only store null values in variant so i guess you are using such, you can use isnull fuction to detect if it is a null
    Use
    writing software in C++ is like driving rivets into steel beam with a toothpick.
    writing haskell makes your life easier:
    reverse (p (6*9)) where p x|x==0=""|True=chr (48+z): p y where (y,z)=divMod x 13
    To throw away OOP for low level languages is myopia, to keep OOP is hyperopia. To throw away OOP for a high level language is insight.

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