luzemma

void main() {
  final taxId = ''; // Escribe los 10 primeros caracteres del RFC
  final lastDigit = calculateVerifierDigit(taxId);
  print('El último dígito debe ser $lastDigit');
}

String calculateVerifierDigit(String taxId) {
  const dictionary = '0123456789ABCDEFGHIJKLMN&OPQRSTUVWXYZ Ñ';
  final index = taxId.length + 1;
  var sum = 0;

luzemma

<!-- https://stackoverflow.com/questions/5197892/add-shadow-to-custom-shape-on-android -->
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
    <!-- "background shadow" -->
    <item>
        <shape android:shape="rectangle" >
            <solid android:color="#000000" />

            <corners android:radius="15dp" />
        </shape>

luzemma

            var query1 = "INSERT INTO tempoPerson (nombre, paterno) VALUES ('Jorge', 'Toribio');";
            var query2 = "INSERT INTO tempoPerson (nombre, paterno) VALUES ('David', 'Lalane');";
            var query3 = "INSERT INTO tempoPerson (nombre, paterno) VALUES ('Robert', 'Bloom');";


            using (SqlConnection connection = new SqlConnection(strConn))
            {
                connection.Open();
                SqlTransaction transaction = connection.BeginTransaction();