Questions tagged as 'validação'

Is using validations in JavaScript enough for efficient validation? Example : Validate dates. Is it also necessary to check the code? What are the disadvantages of doing validations via client-side ?

What type of CPF or CNPJ field in database VARCHAR or INT ? I've seen some posts suggesting to use INT to optimize performance in JOIN and filters. If you have 0 on the left, you can only complete it according...

Is there any algorithm to check the validity of a RG number in Brazil using digits checkers, as with the CPF? If so, what is this algorithm like?     

In languages like Java, the method parameters are "validated" in the compilation (at least the type): public void facaAlgo(String str) { // ... } // em algum outro lugar: int i = 2; this.facaAlgo(i); // erro de compilação! In dynamic typ...