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In computer programming, a naming convention is a set of rules for choosing the character sequence to be used for identifiers which denote variables, types, functions, and other entities in source code and documentation. Reasons for using a naming convention (as opposed to allowing programmers to choose any character sequence) include the ...
Related to sigils is Hungarian notation, a naming convention for variables that specifies variable type by attaching certain alphabetic prefixes to the variable name. Unlike sigils, however, Hungarian notation provides no information to the compiler; as such, explicit types must be redundantly specified for the variables (unless using a ...
In computer programming, indentation style is a convention, a.k.a. style, governing the indentation of blocks of source code.An indentation style generally involves consistent width of whitespace (indentation size) before each line of a block, so that the lines of code appear to be related, and dictates whether to use space or tab characters for the indentation whitespace.
Python sets are very much like mathematical sets, and support operations like set intersection and union. Python also features a frozenset class for immutable sets, see Collection types. Dictionaries (class dict) are mutable mappings tying keys and corresponding values. Python has special syntax to create dictionaries ({key: value})
Snake case (sometimes stylized autologically as snake_case) is the naming convention in which each space is replaced with an underscore (_) character, and words are written in lowercase. It is a commonly used naming convention in computing, for example for variable and subroutine names, and for filenames.
If the image to be captioned is a painting, an editor can give context with the painter's wikilinked name, the title, and a date. The present location may be added in parentheses: . Sometimes the date of the image is important: there is a difference between "King Arthur" and "King Arthur in a 19th-century watercolor".
Exclamation points (!) should usually only be used in direct quotes and titles of creative works. Bold type is reserved for certain uses. Quotation marks for emphasis of a single word or phrase are incorrect, and "scare quotes" are discouraged. Quotation marks are to show that you are using the correct word as quoted from the original source.
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