Injection vs Null - What's the difference?
injection | null |
The act of injecting, or something that is injected.
(specifically, medicine) Something injected subcutaneously, intravenously, or intramuscularly by use of a syringe and a needle.
(set theory) A function that maps distinct x in the domain to distinct y in the codomain; formally, a f'': ''X'' → ''Y such that f(a) = f(b) implies a = b for any a, b in the domain.
(mathematics) A relation on sets (X,Y)'' that associates each element of ''Y'' with at most one element of ''X .
(figuratively) The addition of money to someone, or to a business.
(programming) The insertion of program code into an application, URL, hardware, etc.; especially when malicious or when the target is not designed for such insertion.
A specimen prepared by injection.
(steam engines) The act of throwing cold water into a condenser to produce a vacuum.
(steam engines) The cold water thrown into a condenser to produce a vacuum.
(category theory) A morphism from either one of the two components of a coproduct to that coproduct.
(Contruction) The act of inserting materials like concrete grout or gravel by using high pressure pumps.
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.
As nouns the difference between injection and null
is that injection is injection while null is zero, nil; the cardinal number before einn.injection
English
(wikipedia injection)Noun
(en noun)- The troubled business received a much-needed cash injection .
- a SQL injection exploit allowing a malicious user to modify a database query
Derived terms
* injection cock * injection condenser * injection pipe * injective * injectively *gravel injection *grout injection * constructor injection * dependency injectionSee also
* bijection (2) * hypodermic * immunization * jab * surjection (2) ----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.