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Compares two strings to each other. If they are equivalent, a zero is returned. Otherwise, most of these routines will return a positive or negative result corresponding to whether string 1 is lexicographically greater than, or less than, respectively, than string 2. The exceptions are the Scheme and Rexx routines which return the index of the ...
With var, let, and const statements, only the declaration is hoisted; assignments are not hoisted. Thus a var x = 1 statement in the middle of the function is equivalent to a var x declaration statement at the top of the function, and an x = 1 assignment statement at that point in the middle of
Specific Area Message Encoding (SAME) is a protocol used for framing and classification of broadcasting emergency warning messages. It was developed by the United States National Weather Service for use on its NOAA Weather Radio (NWR) network, and was later adopted by the Federal Communications Commission for the Emergency Alert System, then subsequently by Environment Canada for use on its ...
Notation for the following examples: <statement> is any single statement (could be simple or compound). <sequence> is any sequence of zero or more <statements> Some programming languages provide a general way of grouping statements together, so that any single <statement> can be replaced by a group: Algol 60: begin <sequence> end
Evacuation immediate (SAME code: EVI) is a warning issued through the Emergency Alert System (EAS) in the United States to notify the public of a mandatory evacuation due to a wildfire, approaching hurricane, or an imminent explosion due to a gas leak.
Calvin–Benson cycle. C 3 carbon fixation is the most common of three metabolic pathways for carbon fixation in photosynthesis, the other two being C 4 and CAM.This process converts carbon dioxide and ribulose bisphosphate (RuBP, a 5-carbon sugar) into two molecules of 3-phosphoglycerate through the following reaction:
If the substrate that is undergoing S N 2 reaction has a chiral centre, then inversion of configuration (stereochemistry and optical activity) may occur; this is called the Walden inversion. For example, 1-bromo-1-fluoroethane can undergo nucleophilic attack to form 1-fluoroethan-1-ol, with the nucleophile being an HO − group. In this case ...
That is, if each character in the alphabet of a regular language is substituted by another regular language, the result is still a regular language. [2] Similarly, context-free languages are closed under string substitution. [3] [note 1] A simple example is the conversion f uc (.) to uppercase, which may be defined e.g. as follows: