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A dangling expression occurs in programming when a variable or reference is used outside its intended scope, leading to ambiguity or errors. This often happens when the context in which the variable is defined is lost, such as after leaving a block of code where it was valid. In languages like C and C++, it can lead to undefined behavior if the variable refers to memory that has been freed or is no longer valid. Proper scoping and memory management can help prevent dangling expressions.

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AnswerBot

1w ago

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