⫽
The two /, slashes // may indicate: * a comment (computer programming), comment marker in several programming languages including C, C++, JavaScript and Java * the root directory path in Domain/OS * the operator for integer division, in Python 2.2+ and other programming languages * the empty pattern in Perl, which evaluates the last successfully matched regular expression * the Null coalescing operator#Perl, logical defined-or operator in Perl, called the null coalescing operator in other programming languages * the authority indicator in the URI scheme, which follows a colon (://) from the scheme component * the descendant-or-self axis specifier in XPath * a double vertical bar (, , ) where the vertical line character is unavailable for technical reasons * the parallel (operator), parallel operator stylized in pseudo-italics * a caesura in musical notation * a diaphoneme in linguistic transcription See also

* Slash (punctuation) * Backslash * /\ (other) * /r/ (disamb ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Comment (computer Programming)
In computer programming, a comment is text embedded in source code that a translator (compiler or interpreter (computing), interpreter) ignores. Generally, a comment is an annotation intended to make the code easier for a programmer to understand often explaining an aspect that is not readily apparent in the program (non-comment) code. For this article, ''comment'' refers to the same concept in a programming language, markup language, configuration file and any similar context. Some development tools, other than a source code translator, do parse comments to provide capabilities such as API documentation generator, document generation, static analysis, and version control integration. The comparison of programming languages (syntax)#Comments, syntax of comments varies by programming language yet there are repeating patterns in the syntax among languages as well as similar aspects related to comment content. The flexibility supported by comments allows for a wide degree of cont ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Caesura
300px, An example of a caesura in modern western music notation A caesura (, . caesuras or caesurae; Latin for "cutting"), also written cæsura and cesura, is a metrical pause or break in a verse where one phrase ends and another phrase begins. It may be expressed by a comma (,), a tick (✓), or two lines, either slashed (//) or upright (, , ). In time value, this break may vary between the slightest perception of silence all the way up to a full pause. Poetry In classical Greek and Latin poetry a caesura is the juncture where one word ends and the following word begins within a foot . In contrast, a word juncture at the end of a foot is called a diaeresis. Some caesurae are expected and represent a point of articulation between two phrases or clauses. All other caesurae are only potentially places of articulation. The opposite of an obligatory caesura is a bridge where word juncture is not permitted. In modern European poetry, a caesura is defined as a natural phrase ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

\/ (other)
\/ may refer to: * an escaped slash character * \/, ASCII symbol for the boolean "or" operator, formed with a backslash and a slash ** The ALGOL 68 boolean "or" operator ** \/, the boolean "or" operator in early K&R C C (''pronounced'' '' – like the letter c'') is a general-purpose programming language. It was created in the 1970s by Dennis Ritchie and remains very widely used and influential. By design, C's features cleanly reflect the capabilities of ... in Unix V6, Unix V7 and more recently BSD 2.11 * the letter " V" {{Disambiguation ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

/r/ (other)
/r/ may refer to: * an imageboard for adult requests on 4chan * The "/r/" prefix appended to the names of subreddits on Reddit. * the IPA notation for a dental, alveolar and postalveolar trill or rhotic consonant In phonetics, rhotic consonants, or "R-like" sounds, are liquid consonants that are traditionally represented orthography, orthographically by symbols derived from the Greek alphabet, Greek letter Rho (letter), rho (Ρ and ρ), including R, , i ...

/\ (other)
/\ may refer to: * Λ, uppercase lambda, the 11th letter of the Greek alphabet * /\, ASCII symbol for boolean "and" operator, formed with a slash and a backslash * /\, an ALGOL 68 boolean "and" operator * /\, the boolean "and" operator in early K&R C in Unix V6, Unix V7 and more recently BSD 2.11 * ∧, the wedge symbol, used for logical conjunction * ^, the caret symbol See also * Chevron (insignia) A chevron (also spelled cheveron, especially in older documents) is a V-shaped mark or symbol, often inverted. The word is usually used in reference to a kind of fret in architecture, or to a badge or insignia used in military or police unifo ...

Backslash
The backslash is a mark used mainly in computing and mathematics. It is the mirror image of the common slash (punctuation), slash . It is a relatively recent mark, first documented in the 1930s. It is sometimes called a hack, whack, Escape character, escape (from C (programming language), C/UNIX), reverse slash, slosh, downwhack, backslant, backwhack, bash, reverse slant, reverse solidus, and reversed virgule. History , efforts to identify either the origin of this character or its purpose before the 1960s have not been successful. The earliest known reference found to date is a 1937 maintenance manual from the Teletype Corporation with a photograph showing the keyboard of its Kleinschmidt keyboard perforator WPE-3 using the Wheatstone system. The symbol was called the "diagonal key", and given a (non-standard) Morse code of . In June 1960, IBM published an "Extended character set standard" that includes the symbol at 0x19. Referencing Computer Standards Collection, Arch ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Slash (punctuation)
The slash is a slanting line punctuation mark . It is also known as a stroke, a solidus, a forward slash and #Alternative names, several other historical or technical names. Once used as the equivalent of the modern full stop, period and comma, the slash is now used to represent #Division, division and #Fractions, fractions, as a #Dating, date separator, or to connect alternative terms. A slash in the reverse direction is known as a backslash. History Slashes may be found in early writing as a variant form of dash (typography), dashes, vertical bar, vertical strokes, etc. The present use of a slash distinguished from such other marks derives from the medieval European #virgule, virgule (, which was used as a full stop, period, #scratch, scratch comma, and caesura mark. (The first sense was eventually lost to the full stop, low dot and the other two developed separately into the comma and caesura mark ) Its use as a comma became especially widespread in Kingdom of France, Fr ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Diaphoneme
A diaphoneme is an abstract phonology, phonological unit that identifies a correspondence between related sounds of two or more variety (linguistics), varieties of a language or language cluster. For example, some English varieties contrast the vowel of ''late'' () with that of ''wait'' or ''eight'' (). Other English varieties contrast the vowel of ''late'' or ''wait'' () with that of ''eight'' (). This non-overlapping pair of phonemes from two different varieties can be reconciled by positing three different diaphonemes: A first diaphoneme for words like ''late'' (), a second diaphoneme for words like ''wait'' (), and a third diaphoneme for words like ''eight'' (). Diaphonology studies the realization of diaphones across dialects, and is important if an orthography is to be adequate for more than one dialect of a language. In historical linguistics, it is concerned with the reflexes of an ancestral phoneme as a language splits into dialects, such as the modern realizations of O ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Parallel (operator)
The parallel operator \, (pronounced "parallel", following the parallel lines notation from geometry; also known as reduced sum, parallel sum or parallel addition) is a binary operation which is used as a shorthand in electrical engineering, but is also used in kinetics, fluid mechanics and financial mathematics. The name ''parallel'' comes from the use of the operator computing the combined resistance of resistors in parallel. Overview The parallel operator represents the reciprocal value of a sum of reciprocal values (sometimes also referred to as the "reciprocal formula" or "harmonic sum") and is defined by: : a \parallel b \mathrel \frac = \frac, where , , and a \parallel b are elements of the extended complex numbers \overline = \mathbb\cup\. The operator gives half of the harmonic mean of two numbers ''a'' and ''b''. As a special case, for any number a \in \overline: :a \parallel a = \frac1 = \tfrac12a. Further, for all distinct numbers :\big, \,a \parallel b ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Root Directory
In a Computing, computer file system, and primarily used in the Unix and Unix-like operating systems, the root directory is the first or top-most Directory (computing), directory in a hierarchy. It can be likened to the trunk of a Tree (data structure), tree, as the starting point where all branches originate from. The root file system is the file system contained on the same Disk Partition Recovery, disk partition on which the root directory is located; it is the filesystem on top of which all other file systems are Mount (computing), mounted as the system boots up. Unix-like systems Unix abstracts the nature of this tree hierarchy entirely and in Unix and Unix-like systems the root directory is denoted by the / (slash) sign. Though the root directory is conventionally referred to as /, the directory entry itself has no name its path is the "empty" part before the initial directory separator character (/). All file system entries, including mounted file systems are "branches" ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

Vertical Bar
The vertical bar, , is a glyph with various uses in mathematics, computing, and typography. It has many names, often related to particular meanings: Sheffer stroke (in logic), pipe, bar, or (literally, the word "or"), vbar, and others. Usage Mathematics The vertical bar is used as a mathematical symbol in numerous ways. If used as a pair of brackets, it suggests the notion of the word "size". These are: * absolute value: , x, , read "the ''absolute value'' of ''x''" * cardinality: , S, , read "the ''cardinality'' of the set ''S''" or "the ''length'' of a string ''S''" * determinant: , A, , read "the ''determinant'' of the matrix ''A''". When the matrix entries are written out, the determinant is denoted by surrounding the matrix entries by vertical bars instead of the usual brackets or parentheses of the matrix, as in \begin a & b \\ c & d\end. * order: , G, , read "the ''order'' of the group ''G''", or , g, , "the ''order'' of the element g \in G" Likewise, the vertical ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]  

XPath
XPath (XML Path Language) is an expression language designed to support the query or transformation of XML documents. It was defined by the World Wide Web Consortium (W3C) in 1999, and can be used to compute values (e.g., strings, numbers, or Boolean values) from the content of an XML document. Support for XPath exists in applications that support XML, such as web browsers, and many programming languages. The XPath language is based on a tree representation of the XML document, and provides the ability to navigate around the tree, selecting nodes by a variety of criteria. In popular use (though not in the official specification), an XPath expression is often referred to simply as "an XPath". Originally motivated by a desire to provide a common syntax and behavior model between XPointer and XSLT, subsets of the XPath query language are used in other W3C specifications such as XML Schema, XForms and the Internationalization Tag Set (ITS). XPath has been adopted by a num ...
[...More Info...]       [...Related Items...]     OR:     [Wikipedia]   [Google]   [Baidu]