The meaning of NULL is having no legal or binding force : invalid. How to use null in a sentence. Did you know?

3 weeks ago - Null character, the zero-valued ASCII character, also designated by NUL, often used as a terminator, separator or filler.

In computer science, a null value represents a reference that points, generally intentionally, to a nonexistent or invalid object or address. The meaning of a null reference varies among language implementations.

November 28, 2025 - NULL definition: without value, effect, consequence, or significance. See examples of null used in a sentence.

5 days ago - NULL meaning: 1. having no legal force: 2. with no value or effect: 3. (of a set or matrix) containing nothing…. Learn more.

Define null. null synonyms, null pronunciation, null translation, English dictionary definition of null. adj. 1. Having no legal force; invalid: render a contract null and void. 2. Of no consequence, effect, or value; insignificant.

There are 13 meanings listed in OED's entry for the adjective null, one of which is labelled obsolete.

3 weeks ago - In mathematics, the word null (from German: null meaning "zero", which is from Latin: nullus meaning "none") is often associated with the concept of zero, or with the concept of nothing. It is used in varying contexts from "having zero members in a set" (e.g., null set) to "having a value of ...

October 28, 2025 - The null keyword refers to the null primitive value, which represents the intentional absence of any object value.

2 weeks ago - {\textstyle H_{0}} ) is the claim in scientific research that the effect being studied does not exist. The null hypothesis can also be described as the hypothesis in which no relationship exists between two sets of data or variables being analyzed. If the null hypothesis is true, any experimentally ...

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January 3, 2025 - #include <cstddef> #include <iostream> #include <type_traits> #include <typeinfo> class S; int main() { int* p = NULL; int* p2 = static_cast<std::nullptr_t>(NULL); void(*f)(int) = NULL; int S::*mp = NULL; void(S::*mfp)(int) = NULL; auto nullvar = NULL; // may trigger a warning when compiling with gcc/clang std::cout << "The type of nullvar is " << typeid(nullvar).name() << '\n'; if constexpr(std::is_same_v<decltype(NULL), std::nullptr_t>) std::cout << "NULL implemented with type std::nullptr_t\n"; else std::cout << "NULL implemented using an integral type\n"; [](...){}(p, p2, f, mp, mfp); // < suppresses "unused variable" warnings }

June 12, 2018 - So, variable name doesn't point to "Bob" anymore. The value 0 (all bits at zero) is a typical value used in memory to denote null. It means that there is no value associated with name.

1 week ago - Null Signal Games is a nonprofit collective dedicated to keeping the game of Netrunner alive and thriving.

The null keyword is a literal that represents a null reference, one that doesn't refer to any object. null is the default value of reference-type variables.

"void of legal force, invalid," 1560s, from French nul, from Latin nullus "not any,… See origin and meaning of null.

In both cases, it means that “we don’t know, yet, what value this has.” Any data type can be null, including numeric, string, Boolean, and so forth.

Since no date of birth was entered for the patient, his age is null.

Null means having no value; in other words null is zero, like if you put so little sugar in your coffee that it’s practically null. Null also means invalid, or having no binding force.

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