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Look up Null, null, a-null, or núll in Wiktionary, the free dictionary. Null may refer to: Nuller, an optical tool using interferometry to block certain...

Look up null or ␀ in Wiktionary, the free dictionary. Null symbol may refer to: Null character, U+0000 <control-0000>, U+2400 ␀ SYMBOL FOR NULL (a single-character...

production rule that allows a symbol to produce the empty string is known as an ε-production, and the symbol is said to be "nullable". In most programming languages...

single-em-width symbol containing the letters "NUL". In Unicode, there is a character for this: U+2400 ␀ SYMBOL FOR NULL. In all modern character sets, the null character...

lowercase Greek omega (ω) symbol to represent null in database theory. In SQL, NULL is a reserved word used to identify this marker. A null should not be confused...

When representing empty categories in tree structures, linguists use a null symbol (∅) to depict the idea that there is a mental category at the level being...

The statement that is being tested against the null hypothesis is the alternative hypothesis. Symbols may include H1 and Ha. A statistical significance...

The null sign (∅) is often used in mathematics for denoting the empty set. The same letter in linguistics represents zero, the lack of an element. It is...

ship Standard state (⦵), in chemistry Circle symbol (disambiguation) Null (disambiguation) Null symbol (disambiguation) Barred O (disambiguation) 0 (disambiguation)...

either the figure zero (0) or the empty set symbol ∅. In most languages, it is the affixes that are realized as null morphemes, indicating that the derived...

Chinese convention of initial and rime, Sejong and his ministers needed a null symbol to refer to the lack of a consonant with an initial vowel. He chose the...

computer programming, a null object is an object with no referenced value or with defined neutral (null) behavior. The null object design pattern, which...

In mathematics, the word null (from German: null[citation needed] meaning "zero", which is from Latin: nullus meaning "none") is often associated with...

schema-less) binary compression standard for XML. All basic Ion types have a null variant, as its 0xXf tag. Any tag beginning with 0x0X other than 0x0f defines...

definition: when evaluated with no arguments, the princ function returns a null symbol, which is not displayed by the AutoCAD command-line interface. As the...

symbol, given that ?: is typically used for the Elvis operator, not null coalescing, but it was inspired by Groovy (programming language) where null is...

definition Undefined citizenship, a post-Soviet form of statelessness in Estonia Null (disambiguation) Void (disambiguation) Invalid (disambiguation) Definition...

degree symbol, as in "C𝆩". The slashed degree symbol is found in the musical symbols block of Unicode but is unsupported by some fonts. The null sign,...

proper rendering support, you may see question marks, boxes, or other symbols. 0 (zero) is a number representing an empty quantity. Adding 0 to any number...

Books paperback editions were entitled The World of Null-A, and the symbol Ā was replaced with "null-A" throughout the text. The 1970 revision kept this...