Examlex
For each pair of goods, explain which is more elastic: toothpicks vs.cars; electricity vs.yachts; IBM computers vs.Apple computers.
End-of-string
Represents the terminating character in a string, typically denoted as '\0', signalling the string's end.
NULL
A special marker used in programming to indicate that a pointer does not point to any valid memory area or object.
Sentinel
A special value used in programming to indicate the end of a data set or to signal when a particular condition has been met.
'\n'
Represents a newline character in many programming languages, used to move the cursor to the beginning of the next line of text.
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