Indeterminate power direct substitution

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Suppose that we have $\lim_{x\to a}f(x)^{g(x)}$ with $f(a)=0$ and $g(a)=0$.

Can we say, that the value of the above limit is $0^0=1$?

Is there a counterexample?

UPDATE: I already saw examples you've provided. Is there a counterexample with continuous functions?

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Counter-example: $\lim_{x\to 0} $[1-cosx$]^x$ ,where [ ] stands for greatest integer function.

Edit: Another example I found in the below linked answer : $\lim_{x\to 0+}x^\frac{1}{\ln(x)}$

A similar discussion which took place here: Zero to the zero power – is $0^0=1$?