Constant vs Null - What's the difference?
constant | null |
Unchanged through time or space; permanent.
Consistently recurring over time; persistent.
* {{quote-magazine, date=2013-11-16, volume=409, issue=8862, magazine=(The Economist), author=Schumpeter
, title= Steady in purpose, action, feeling, etc.
* Sir (Philip Sidney) (1554-1586)
* (William Shakespeare) (1564-1616)
* (John Dryden) (1631-1700)
Firm; solid; not fluid.
* (Robert Boyle) (1627-1691)
(obsolete) Consistent; logical.
* Shakespeare, Twelfth Night IV.ii
That which is permanent or invariable.
(algebra) A quantity that remains at a fixed value throughout a given discussion.
(science) Any property of an experiment, determined numerically, that does not change under given circumstances.
(computing) An identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code.
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
In computing terms the difference between constant and null
is that constant is an identifier that is bound to an invariant value; a fixed value given a name to aid in readability of source code while null is the attribute of an entity that has no valid value.As adjectives the difference between constant and null
is that constant is unchanged through time or space; permanent while null is having no validity, "null and void.As nouns the difference between constant and null
is that constant is that which is permanent or invariable while null is a non-existent or empty value or set of values.As a verb null is
to nullify; to annul.constant
English
Adjective
(en adjective)The mindfulness business, passage=The constant pinging of electronic devices is driving many people to the end of their tether. Electronic devices not only overload the senses and invade leisure time. They feed on themselves: the more people tweet the more they are rewarded with followers and retweets.}}
- Both loving one fair maid, they yet remained constant friends.
- I am constant to my purposes.
- His gifts, his constant courtship, nothing gained.
- Ifyou mix them, you may turn these two fluid liquors into a constant body.
- I am no more mad than you are: make the trial of it with any constant question.
Noun
(en noun)See also
* (computing) literal ----null
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.