laxmanjangley

-- show running queries (pre 9.2)
SELECT procpid, age(clock_timestamp(), query_start), usename, current_query 
FROM pg_stat_activity 
WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' 
ORDER BY query_start desc;

-- show running queries (9.2)
SELECT pid, age(clock_timestamp(), query_start), usename, query 
FROM pg_stat_activity 
WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' 

laxmanjangley

object hackerrank {
  object Solution {
    def main(args: Array[String]) {
      def fact(n: Int): Int = if (n == 1) 1 else n * fact(n - 1)

      for (n <- io.Source.stdin.getLines) {
        print(fact(Integer.parseInt(n.toString)) + "\n")
      }
    }
  }