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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 .
Underscores with uppercase, as in UPPER_CASE, are commonly used for C preprocessor macros, hence known as MACRO_CASE, and for environment variables in Unix, such as BASH_VERSION in bash. Sometimes this is humorously referred to as SCREAMING_SNAKE_CASE (alternatively SCREAMING_SNAIL_CASE).
snake_case originated in Ruby, as a term for lowercase_with_underscores, so by analogy with SCREAMING CAPS, some people (Ruby Style Guide: Naming) call UPPERCASE_WITH_UNDERSCORES by the name SCREAMING_SNAKE_CAPS. This hasn’t caught on as widely though, and has the traditional name MACRO_CASE, due to its use as macros for the C preprocessor.
Subjects recognized snake case identifiers more quickly than camel case identifiers. Training in camel case sped up camel case recognition and slowed snake case recognition, although this effect involved coefficients with high p-values. The study also conducted a subjective survey and found that non-programmers either preferred underscores or ...
The snake lemma is a tool used in mathematics, particularly homological algebra, to construct long exact sequences. The snake lemma is valid in every abelian category and is a crucial tool in homological algebra and its applications, for instance in algebraic topology .
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It is most commonly known as the snake plant, Saint George's sword, mother-in-law's tongue, and viper's bowstring hemp, among other names. [2] Until 2017, it was known under the synonym Sansevieria trifasciata. [1] This plant is often kept as a houseplant due to its non-demanding maintenance; they can survive with very little water and sun.
Carmine John Persico Jr. (Italian: [ˈkarmine ˈpɛrsiko]; August 8, 1933 – March 7, 2019), also known as "Junior", "The Snake" and "Immortal", was an American mobster and the longtime boss of the Colombo crime family in New York City from 1973 until his death in 2019. He had been serving 32 years in federal prison from 1987 until his death ...