In computer science, a null function (or null operator) is a subroutine that leaves the program state unchanged. When it is part of the instruction set...

computer programming, a null object is an object with no referenced value or with defined neutral (null) behavior. The null object design pattern, which...

as sets of equivalence classes of functions which differ only on null sets. A measure in which all subsets of null sets are measurable is complete. Any...

In SQL, null or NULL is a special marker used to indicate that a data value does not exist in the database. Introduced by the creator of the relational...

ℵ 0 {\displaystyle \aleph _{0}} (read aleph-nought, aleph-zero, or aleph-null); the next larger cardinality of a well-ordered set is ℵ 1 , {\displaystyle...

COALESCE function returns the first argument that is not null. If all terms are null, returns null. COALESCE(possibly_null_value[, possibly_null_value,...

distribution functions of the first and the second sample respectively, and sup {\displaystyle \sup } is the supremum function. For large samples, the null hypothesis...

left is null as well. In C#, the null-conditional operator, ?. is referred to as the "Elvis operator", but it does not perform the same function. Instead...

computer programming, a null-terminated string is a character string stored as an array containing the characters and terminated with a null character (a character...

provided by having a single null value. NULL is frequently used to represent a missing value or invalid value, such as from a function that failed to return...

considered null. IsNull(expression1,expression2) This function, taking two arguments, is specific to Transact-SQL. In contrast to the Visual Basic function by...

product or a product that does not function properly; in either case, the allele may be considered nonfunctional. A null allele cannot be distinguished from...

mathematics such a function is known as the identity function. Examples of this are the "eNULL" and "aNULL" cipher suite in OpenSSL, and the "NULL Encryption...

all-zeroes opcode. A function or a sequence of programming language statements is a NOP or null statement if it has no effect. Null statements may be required...

remaining then return null function DLS(node, depth) is if depth = 0 then if node is a goal then return (node, true) else return (null, true) (Not found,...

The null hypothesis (often denoted H0) is the claim in scientific research that the effect being studied does not exist. The null hypothesis can also...

definition Undefined citizenship, a post-Soviet form of statelessness in Estonia Null (disambiguation) Void (disambiguation) Invalid (disambiguation) Definition...

vector addition; depending on the context, a null vector may also be a vector mapped to some null by a function under consideration (such as a quadratic form...

mathematical analysis, the Dirac delta function (or δ distribution), also known as the unit impulse, is a generalized function on the real numbers, whose value...

almost periodic functions. If one quotients out a subspace of "null" functions, it can be identified with the space of Lp functions on the Bohr compactification...

homotopy equivalence. A function f {\displaystyle f} is said to be null-homotopic if it is homotopic to a constant function. (The homotopy from f {\displaystyle...

an alternative to an idealized null hypothesis of no relationship between two data sets. Rejecting or disproving the null hypothesis is done using statistical...

to the null expression. A type will be defined for null and it will only have this value. For example in D, it's possible to declare functions that may...

created the universe over the void to seal away Null, causing it to resent them. After Hyrule was founded, Null attempted to break its seal by creating rifts...

In mathematics, the kernel of a linear map, also known as the null space or nullspace, is the part of the domain which is mapped to the zero vector of...

of continuous functions do exist, for example the Lipschitz functions, whose set of non-differentiability points must be a Lebesgue null set (Rademacher's...

gScore(neighbor) := infinity parent(neighbor) := Null update_vertex(s, neighbor) return Null function update_vertex(s, neighbor) // This part of the algorithm...

null pointers are used to mean "pointer to no object" and as an error indicator, and dereferencing a null pointer (a read or write through a null pointer)...

the null distribution is the probability distribution of the test statistic when the null hypothesis is true. For example, in an F-test, the null distribution...

foo() returns null, // - or if foo() is non-null, but bar() returns null, // - or if foo() and bar() are non-null, but baz() returns null. // vice versa...