what is hidden variable? what is its difference with the
normal variable...
Answers were Sorted based on User's Feedback
Answer / rajesh
Hidden variables wont be showing in browser. But the value of the hidden variable will be sent while page submitting.
| Is This Answer Correct ? | 19 Yes | 0 No |
Answer / taher
Hidden Variable Means Not Show The Value of the
Variable.That means <input Type="Hidden"> that And Normal
Variable Means $a and Used.
| Is This Answer Correct ? | 4 Yes | 4 No |
Write a function that takes "depth" as argument and return sum of node's data of that depth. For instance, (0) depth 0 / \ (10) (20) depth 1 / \ (40) (50) depth2 If I pass get_sum_by_depth(2) , it would return 90 (i.e. 40 + 50 )
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