null

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null

1. Maths
a. quantitatively zero
b. relating to zero
c. (of a set) having no members
d. (of a sequence) having zero as a limit
2. Physics involving measurement in which an instrument has a zero reading, as with a Wheatstone bridge

null

[nəl]
(mathematics)
Indicating that an object is nonexistent or a quantity is zero.
(navigation)
The azimuth or elevation reading on a navigational device indicated by minimum signal output.
Any of the nodal points on the radiation patterns of some antennas.

null

(programming)
A special value used in several languages to represent the thing referred to by an uninitialised pointer.

<database> A special value that may be stored in some database columns to represent an unknown, missing, not applicable, or undefined value. Nulls are treated completely differently from ordinary values when evaluating SQL expressions and there are several SQL constructs for dealing with nulls.

null

A character that is all 0 bits. Also written as "NUL," it is the first character in the ASCII and EBCDIC data codes. In hex, it displays and prints as 00; in decimal, it may appear as a single zero in a chart of codes, but displays and prints as a blank space.

Nulls are naturally found in binary numbers when a byte contains all zeros, and they are used to pad fields (see padding). A null may function as a delimiter; for example, in C/C++, a null character is inserted at the end of a character string to mark the end of the text.


The Null Is the First
Note the first character at the top of this chart of ASCII characters. The 00 means 0000-0000 bits.
References in periodicals archive ?
Chief Justice said that there are norms and principles to declare a legislation null and void and how many laws have been declared null and void by the supreme court?
I approved of the findings of the committee that the deal is null and void and of the ground they cited,' he told reporters in a press conference.
What ensues is considered null and void, including the hearing itself, they underscored.
In a Channel 2 interview in January, Netanyahu said that the Bar Ilan speech was not null and void, "but the Palestinians have emptied it of content.
It quotes the United Nations Security Council Resolution 478 to the effect that "all legislative and administrative measures and actions taken by Israel, the occupying Power, which have altered or purport to alter the character and the status of the Holy City of Jerusalem, and in particular, the recent 'basic law' on Jerusalem, are null and void.
He also asked the court to declare the purported guidelines for the regulation and supervision of institution offering non-interest financial services in the country under Islamic commercial jurisprudence issued by the CBN unlawful, illegal, null and void.
Salhab said Khamenei's condemnation of the STL's findings as null and void was aimed against the US and certain Lebanese parties
It's the decision of the county FAs to find them guilty of causing an abandonment and under the standardised rules the game has been declared null and void," he said.
This letter is incompatible with articles 29, 31, 33, 40 of the Transitional Constitution" dealing with fundamental rights, akol told the official SUNA, adding that the SPLM-DC is demanding the constitutional court to declare null and void the contested decision because of its unconstitutionality.
They fled after hashish was found in their car, but their lawyer argued that their arrest was null and void because it took police more than 48 hours to track them down.
BAKKIES Botha is to take the Blue Bulls and South Africa Rugby to the country's Labour Court in a bid to declare his contracts with both null and void.
It is crucial to keep in mind that an attitude on the part of those getting married that does not take into account the supernatural dimension of marriage can render it null and void only if it undermines its validity on the natural level on which the sacramental sign itself takes place.