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The meaning of NULL is having no legal or binding force : invalid. How to use null in a sentence. Did you know? having no legal or binding force : invalid; amounting to nothing : nil; having no value : insignificant… See the full definition. Games; Games; Word of the Day; Grammar; Wordplay; Rhymes; Word Finder; Thesaurus; Join MWU ...
NULL meaning: 1. having no legal force: 2. with no value or effect: 3. (of a set or matrix) containing nothing…. Learn more.
The value null is written with a literal: null.null is not an identifier for a property of the global object, like undefined can be. Instead, null expresses a lack of identification, indicating that a variable points to no object. In APIs, null is often retrieved in a place where an object can be expected but no object is relevant.
NULL definition: 1. having no legal force: 2. with no value or effect: 3. (of a set or matrix) containing nothing…. Learn more.
Null-safety is a fascinating topic that deserves its own article. Remember: Whenever possible, use a language that supports compile-time null-safety. Note: Some programming languages (mostly functional programming languages like Haskell) don't support the concept of null.
Null (SQL) (or NULL), a special marker and keyword in SQL indicating that something has no value Null character, the zero-valued ASCII character, also designated by NUL, often used as a terminator, separator or filler.This symbol has no visual representation. Null device, a virtual file that discards data written to it, on Unix systems /dev/null; Null pointer or reference (sometimes written ...
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.
A constant expression of type int with the value 0, or an expression of this type, cast to type void * is a null pointer constant, which if converted to a pointer becomes a null pointer. It is guaranteed by the standard to compare unequal to any pointer to any object or function. NULL is a macro, defined in as a null pointer constant.
Null has been the focus of controversy and a source of debate because of its associated three-valued logic (3VL), special requirements for its use in SQL joins, and the special handling required by aggregate functions and SQL grouping operators.Computer science professor Ron van der Meyden summarized the various issues as: "The inconsistencies in the SQL standard mean that it is not possible ...
6 meanings: 1. without legal force; invalid; (esp in the phrase null and void) 2. without value or consequence; useless 3..... Click for more definitions.