Null often pops up in legal and scientific contexts; it was originally used in Scottish law and still carries the meaning "having no legal or binding force," especially in the phrase "null and void."

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.

Jun 12, 2018 · null is a fundamental concept in many programming languages. It is ubiquitous in all kinds of source code written in these languages. So it is essential to fully grasp the idea of null . We …

Oct 28, 2025 · JavaScript is unique to have two nullish values: null and undefined. Semantically, their difference is very minor: undefined represents the absence of a value, while null represents the …

Feb 16, 2019 · The key to understanding what null! means is understanding the ! operator. You may have used it before as the "not" operator. However, since C# 8.0 and its new "nullable-reference …

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

Sep 7, 2025 · The concept of null and its significance in computing with our comprehensive definition, examples, and explanations. Learn how null differs from zero and empty.

A NULL value represents an unknown, missing, or inapplicable data in a database field. It is not a value itself, but a placeholder to indicate the absence of data.

If they can’t secure a loan, the real estate contract is void and null, and they can receive their deposit back. The same rule applies if the mortgage lender discovers that the real estate is worth less than …

Aug 14, 2024 · Ever since its invention, null has remained a fundamental concept in many imperative programming languages like Java, C#, and JavaScript despite its drawbacks. The null reference …