NULL Definition & Meaning - Merriam-Webster
Null often pops up in legal and scientific contexts; it was originally used in Scottish law and still carries the meaning "having no legal …
Null - Wikipedia
Null character, the zero-valued ASCII character, also designated by NUL, often used as a terminator, separator or filler. This symbol …
NULL | English meaning - Cambridge Dictionary
NULL definition: 1. having no legal force: 2. with no value or effect: 3. (of a set or matrix) containing nothing…. Learn more.
Null - Glossary - MDN
Jul 11, 2025 · In computer science, a null value represents a reference that points, generally intentionally, to a nonexistent or invalid …
Null operators in C# - C# | Microsoft Learn
May 11, 2026 · C# provides several operators that make null-safe code concise. Instead of nesting if (x != null) guards throughout …
NULL Synonyms: 135 Similar and Opposite Words - Merriam-Webster
1 day ago · Synonyms for NULL: void, invalid, null and void, illegal, inoperative, nugatory, nonbinding, bad; Antonyms of NULL: valid, …
null - JavaScript | MDN - MDN Web Docs
Oct 28, 2025 · JavaScript is unique to have two nullish values: null and undefined. Semantically, their difference is very minor: …
What Is a Null Hypothesis? Definition and Examples
Mar 10, 2026 · Learn what a null hypothesis is, how it works in research, and why scientists “fail to reject” rather than “accept” it — …
c# - What does null! statement mean? - Stack Overflow
Feb 16, 2019 · It can be used on a type to control Nullability, it is then called the "Null Forgiving Operator". Basically, null! applies the …
SQL NULL Values - IS NULL and IS NOT NULL - W3Schools
A NULL value represents an unknown, missing, or inapplicable data in a database field. It is not a value itself, but a placeholder to …