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Semipredicate Problem: Computer Programming, Nullable Type, Option Type -

englanti
2026-03-26
168,40 € 224,53 €

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computer programming, a semipredicate problem occurs when a subroutine intended to return a useful value can fail, but the signalling of failure uses an otherwise valid return value. The problem is that the caller of the subroutine cannot tell what the result means in this case. ... Täydellinen kuvaus

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In computer programming, a semipredicate problem occurs when a subroutine intended to return a useful value can fail, but the signalling of failure uses an otherwise valid return value. The problem is that the caller of the subroutine cannot tell what the result means in this case. The division operation yields a real number, but fails when the denominator is zero. If we were to write a function that performs division, we might choose to return 0 on this invalid input. However, if the numerator is 0, the result is 0 too. Also, even if a nonzero numerator is required, dividing a small number by a very large one can yield 0 as well, due to rounding errors. This means there is no number we can return to uniquely signal attempted division by zero, since all real numbers are in the range of division.

Lisätietoja

Julkaisija OmniScriptum
Julkaisuvuosi 2026
Kannen tyyppi Pehmeäkantinen
EAN 9786133201491
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Arvostelet: Semipredicate Problem: Computer Programming, Nullable Type, Option Type
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168,40 € 224,53 €