Keyword Analysis & Research: ref

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What are “ref” errors?

What are #REF Excel Errors? An #REF error (the “ref” stands for reference) is the message Excel displays when a formula references a cell that no longer exists, usually caused by deleting cells that a formula is referring to. Every good financial analyst

What does ref mean in a method signature?

The ref keyword indicates a value that is passed by reference. It is used in four different contexts: In a method signature and in a method call, to pass an argument to a method by reference. For more information, see Passing an argument by reference.

What does ref mean in C++?

The ref keyword makes the formal parameter an alias for the argument, which must be a variable. In other words, any operation on the parameter is made on the argument. For example, suppose the caller passes a local variable expression or an array element access expression.

What does ref mean in a parameter list?

When used in a method's parameter list, the ref keyword indicates that an argument is passed by reference, not by value. The ref keyword makes the formal parameter an alias for the argument, which must be a variable. In other words, any operation on the parameter is made on the argument.


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