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The dollar sign, also known as the peso sign, is a currency symbol consisting of a capital S crossed with one or two vertical strokes ($ or depending on typeface), used to indicate the unit of various currencies around the world, including most currencies denominated "dollar" or "peso".
Names not prefixed by this are considered constants, functions or class names (or interface or trait names, which share the same namespace as classes). PILOT uses "$" for buffers (string variables), "#" for integer variables, and "*" for program labels. Python uses a "__" prefix, called dunder, for "private" attributes.
A currency symbol or currency sign is a graphic symbol used to denote a currency unit. Usually it is defined by a monetary authority, such as the national central bank for the currency concerned.
The currency sign was once a part of the Mac OS Roman character set, but Apple changed the symbol at that code point to the euro sign in Mac OS 8.5.In pre-Unicode Windows character sets (Windows-1252), the generic currency sign was retained at 0xA4 and the euro sign was introduced as a new code point, at 0x80 in the little used (by Microsoft) control-code space 0x80 to 0x9F.
Symbol Name Currency Notes Unicode ؋ Af ⁄ Afs: afghani Afghan afghani: Af is the singular and Afs is the plural U+060B ؋ AFGHANI SIGN: Ar: ariary Malagasy ariary [1]: baht ...
Constants may optionally be prefixed with a lowercase letter "k" like kCFBooleanTrue. Instance variables of an object use lowerCamelCase prefixed with an underscore, like _delegate and _tableView . Method names use multiple lowerCamelCase parts separated by colons that delimit arguments, like: application:didFinishLaunchingWithOptions ...
In C and many derivative programming languages, a string escape sequence is a series of two or more characters, starting with a backslash \. [3]Note that in C a backslash immediately followed by a newline does not constitute an escape sequence, but splices physical source lines into logical ones in the second translation phase, whereas string escape sequences are converted in the fifth ...
As with a prefix code, the representation of a string as a concatenation of such words is unique. A bifix code is a set of words which is both a prefix and a suffix code. [8] An optimal prefix code is a prefix code with minimal average length. That is, assume an alphabet of n symbols with probabilities () for a prefix code C.